Publications, Patents & Book Chapter

Publications:

• "A new perspective into the AIE and ACQ of Phosphinine-anchored luminescent materials as a visual and ratio metric sensor for Ag+ and Hg2+ ions detection in live cells" Saravanan Enbanathan, Umamahesh Balijapalli, Manojkumar Dhanthala Thiyagarajan, Selin Manojkumar, Saravanakumar Manickam, and Sathiyanarayanan Kulathu Iyer — Sensors & Diagnostics - SD-ART-11-2024-000345.R1.

• "Fluoride detection by a pyrene functionalized imidazole-based fluorescent sensor: Bioimaging and anti-counterfeiting applications" Selin Manoj Kumar, and Sathiyanarayanan Kulathu Iyer — Journal of Photochemistry & Photobiology, A: Chemistry - 2025, 462, 116212.

• "N-doped carbon quantum dots for the selective detection of OCl-ion, bioimaging, and the production of Fe3O4 nanoparticles utilized in the synthesis of substituted imidazole" Namrata Priyadarshini Hota and Sathiyanarayanan Kulathu Iyer—RSC Advances - 2024,14, 35448.

• "Ratiometric detection of lethal oxalyl and thionyl chloride by a thiophene-appended phenanthridine sensor" Manoj Kumar Selin; Selin Manoj Kumar, Sathishkumar Munusamy, Saravanakumar Manickam, Dhanapal Jothi, Saravanan Enbanathan, Sathiyanarayanan Kulathu Iyer—Journal of Molecular Liquids 2024, V 415, Part B, 126388.

• "AIE active Imidazole-Stilbene Conjugated Fluorescent Probes: Illuminating Latent Fingerprints and Advancing Anti-Counterfeiting Technologies" Manoj Kumar Selin; Munusamy Sathishkumar; Enbanathan Saravanan; Kulathu Iyer Sathiyanarayanan. J. Org. Chem. 2024, 89, 23, 17090.

• "A Fluorescent Probe Derived from Phenanthridine for Selective Detection of Bi3+ ion and its Real-Time Application" Nandhini Karthikeyan, Uma Krishnan. Chandrapaul Mukherjee, Richa Lopes, Pratiksha Kambhale, Prathamesh A Petkar, and Sathiyanarayanan Kulathu Iyer. Journal of Molecular Liquids 2024, 413, 125872.

• "A Phenanthridine-Based Fluorescent Sensor for Selective Ratiometric Detection of BF3 with AIE properties and Applications in environmental monitoring" Kulathu Iyer Sathiyanarayanan  and  Surya Prakash. Dyes and Pigments 230 (2024) 112351.

• "Ixora coccinea flowers derived green luminescent carbon quantum dots for Fe3+ recognition and preparation of Pd nanoparticles for the Suzuki- Miyaura coupling and cyanation process" Kulathu Iyer Sathiyanarayanan  and  Namrata Priyadarshini Hota. New J. Chem., 2024,48, 13251-13260.

• "An AIE dynamic a highly selective and expeditious benzothiazole-pyrazine based colorimetric chemosensor for Ni2+and fluorogenic chemosensor for Cu2+ and Al3+ detection" Selin Manoj Kumara, Sathishkumar Munusamyb, Dhanapal Jothia, Saravanan Enbanathana, and Sathiyanarayanan Kulathu Iyer. Journal of Molecular Liquids 404 (2024) 124949.

• "D−π−A−π−D-Configured Imidazole-Tethered Benzothiadiazole- Based Sensor for the Ratiometric Discrimination of Picric Acid: Applications in Latent Fingerprint Imaging" Selin Manoj Kumar and Sathiyanarayanan Kulathu Iyer. J. Org. Chem. 2024, 89, 8, 5392–5400. 

• A thiophene-linked terpyridine based phenanthridine chemoreceptor for Cd2+ and Cr3+ selective ratiometric fluorescence detection in environmental water and rice samples" Saravanan Enbanathana, Sathishkumar Munusamy, Dhanapal Jothi, Selin Manoj Kumar and Sathiyanarayanan Kulathu Iyer. Analytica Chimica Acta 1288 (2024) 342179.

• "The synthesis of dibenzo[a,j]acridine: catalyst-free technique, photophysical characteristics towards BF3 and the application of bio-imaging in HeLa cells" Saravanan Enbanathan and Sathiyanarayanan Kulathu Iyer. Methods 221 (2024) 65–72. 

• "Turn-off fluorescence of imidazole-based sensor probe for mercury ions" Uma Krishnan, Saravanakumar Manickam, Sathiyanarayanan Kulathu Iyer. Sensors & Diagnostics 2024,3, 87-94.

• "An AIE active imidazole conjugated α-cyano stilbene based sensor for the selective and sensitive detection of picric acid in an aqueous medium" Selin Manoj Kumar, Sathiyanarayanan Kulathu Iyer. Sensors and Actuators Reports 6 (2023) 100177

• "Imidazole-based dual functional chemosensor for the recognition of Cu2+ and CN-: Applications in real water samples and colorimetric test strips" Selin Manoj Kumar, Sathishkumar Munusamy, Dhanapal Jothi, Saravanan Enbanathan, Jebiti Haribabu and Sathiyanarayanan Kulathu Iyer. Optical Materials 144 (2023) 114382.  

• "BF 3 detection by pyrazolo-pyridine based fluorescent probe and applications in bioimaging and paper strip analysis" Uma Krishnan, Saravanakumar Manickam and Sathiyanarayanan Kulathu Iyer* Journal of Molecular Liquids 373 (2023) 121235    

• "Triphenylamine conjugated benzothiazole-based aggregation-induced emission active luminescent dye for sensitive detection of CN- ions present in food samples and its application as a portable polymer film sensor" Saravanan Enbanatha, Sathishkumar Munusamy, Sathiyanathan Ponnan, Dhanapal Jothi, Selin Manoj Kumar and Sathiyanarayanan Kulathu Iyer. Talanta 264 (2023) 124726.  

• "A novel imidazole bearing bithiophene benzothiazole as a ratiometric fluorescent sensor for the selective discrimination of Al 3+  ions: Application to environmental water, pharmaceutical samples, and fluorescence live cell imaging" Selin Manoj Kumar, Sathishkumar Munusamy, Dhanapal Jothi, Saravanakumar Manickam, Saravanan Enbanathan, and Sathiyanarayanan Kulathu Iyer. Journal of Molecular Liquids., 2023, 381, 121828  

• "Rationally constructed imidazole derivatized Schiff-base based fluorescent sensor for reversible identification of copper ions and its applications in fingerprint imaging" Selin Manoj Kumar, Sathishkumar Munusamy, Dhanapal Jothi, Saravanan Enbanathan, and Sathiyanarayanan Kulathu Iyer. Journal of Molecular Liquids., 2023, 373, 121235 

• "Benzothiazole appended 2,2′-(1,4-phenylene) diacetonitrile for the colorimetric and fluorescence detection of cyanide ions" Dhanapal Jothi, Sathishkumar Munusamy, Saravanakumar Manickam, Saravanan Enbanathan, Selin Manojkumar, and Sathiyanarayanan Kulathu Iyer. RSC Adv., 2022, 12, 30045 

• "Selective detection of BF3 in living cells and environmental water samples using Schiff-base fluorescent probe" Uma Krishnan, Saravanakumar Manickam, Sathiyanarayanan Kulathu Iyer. Journal of Photochemistry & Photobiology, A: Chemistry 436 (2023) 114381 

• "A novel phenanthridine and terpyridine based D-π-A fluorescent probe for the ratiometric detection of Cd2+ in environmental water samples and living cells" Saravanan Enbanathan, and Sathiyanarayanan Kulathu Iyer. Ecotoxicology and Environmental Safety 247 (2022) 114272 

• "Rational design of diphenyl-λ5σ4-phosphinine based fluorescent probe for the selective detection of Hg2+ ions: Real application in cell imaging and paper strips" Saravanan Enbanathan, Saravanakumar Manickam, Manojkumar Dhanthala Thiyagarajan, Dhanapal Jothi, Selin Manojkumar, Sathishkumar Munusamy, Dhanashree Murugan, Loganathan Rangasamy, Umamahesh Balijapalli, Sathiyanarayanan Kulathu Iyer. Journal of Photochemistry & Photobiology, A: Chemistry 437 (2023) 114431

• "Dibenzothiazole appended 4-hydroxyphenyl acrylonitrile as a highly selective visual and fluorimetric detection of cyanide ion" Dhanapal Jothi, Sathishkumar Munusamy, Saravanan Enbanathan, Selin Manoj Kumar, Sathiyanarayanan Kulathu Iyer. Optical Materials 133 (2022) 112888

• "Zinc ion detection using a benzothiazole-based highly selective fluorescence “turn-on” chemosensor and its real-time application" Saravanan Enbanathan, Sathishkumar Munusamy, Dhanapal Jothi, Selin Manojkumar, Saravanakumar Manickam and Sathiyanarayanan Kulathu Iyer. RSC Adv., 2022, 12, 27839

• "Imidazole-derived new colorimetric/fluorometric chemosensor for the sensitive recognition of CN- ions: Real-time application in food samples and fluorescence Bio-Imaging" Selin Manoj kumar, Dhanapal Jothi, Sathishkumar Munusamy, Saravanan Enbanathan, and Sathiyanarayanan Kulathu Iyer. Journal of Photochemistry & Photobiology, A: Chemistry 434 (2023) 114269  

• "A new fast-responding fluorimetric “turn-on” sensor based on benzothiazole-phenanthridine for the sensitive, selective, and reversible detection of Cu2+ in real water samples and its use in bio-imaging" Saravanan Enbanathan, Sathishkumar Munusamy, Dhanapal Jothi, Selin Manoj Kumar, Aravindan Paduthapillai Gopal, Sathiyanarayanan Kulathu Iyer. Dyes and Pigments 205 (2022) 110514

• "Recognition of Hg2+ ion in an organic semi-aqueous medium by a new napthalimide based fluorescent probe and its bioimaging applications" Dhanapal Jothi, Sathiyanarayanan Kulathu Iyer. Inorganic Chemistry Communications 143 (2022) 109735

• "Phenanthridine based fluorescent probe for Th4+ ion chemosensor" Shanthi Seenan, Saravanakumar Manickam, Sathish Sawminathan, Dhanapal Jothi, Sathiyanarayanan Kulathu Iyer. Journal of Photochemistry & Photobiology, A: Chemistry 430 (2022) 113952

• "Phenanthridine-based fluorescence sensor for the “off-on” determination of thorium ion and its bio-imaging applications" Dhanapal Jothi, Saravanakumar Manickam, Sathish Sawminathan, Sathishkumar Munusamy, Selva Kumar R, S.K. Ashok Kumar, Sathiyanarayanan Kulathu Iyer. Dyes and Pigments 197, 2022, 109826

• "A simple quinazolinone-isophorone based colorimetric chemosensor for the reversible detection of copper (II) and its application in real samples" Sathish Sawminathan, Sathishkumar Munusamy, Saravanakumar Manickam, Sathiyanarayanan Kulathu Iyer. Journal of Molecular Structure 1257, 2022, 132633

• "A phenanthridine-based probe for selective detection of hypochlorite ions" Saravanan Enbanathan, Saravanakumar Manickam, Sathishkumar Munusamy, Dhanapal Jothi, Selin Manoj Kumar and Sathiyanarayanan Kulathu Iyer. New J. Chem., 2022, 46, 6570-6576.

• "A highly sensitive naphthalimide based fluorescent “turn-on” sensor for H2S and its bio-imaging applications" Dhanapal Jothi and Sathiyanarayanan Kulathu Iyer. Journal of Photochemistry and Photobiology A: Chemistry 427 (2022) 113802.

• "Phenanthridine based rapid ‘‘turn-on” fluorescent sensor for selective detection of Th4+ ion and its real-time application"Sathish Sawminathan and Sathiyanarayanan Kulathu Iyer. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 265 (2022) 120403.

• "Iminothiophenol Schiff base-based fluorescent probe for dual detection of Hg2+ and Cr3+ ion and its application in real sample analysis" Uma Krishnan and Sathiyanarayanan Kulathu Iyer. Journal of Photochemistry & Photobiology, A: Chemistry  2022, 425, 113663 .

• "A Pyrazolo Imine-based Colorimetric and Turn-on Fluorescent Sensor Probe for Determination of Hg2+ Ion and its Application in Test Paper Strips" Uma Krishnan, Sathiyanarayanan Kulathu Iyer. Photochemistry and Photobiology  https://doi.org/10.1111/php.13538.

• "A multi-sensing ratiometric fluorescent sensor for recognition of Al3+, Th4+ and picric acid" Dhanapal Jothi, Saravanakumar Shanthi Seenan, KulathuIyer Sathiyanarayanan. Inorganic Chemistry Communications 2021, 132, 108825.

• "Azine based fluorescent rapid "off-on" chemosensor for detecting Th4+ and Fe3+ ions and its real-time application" Sathish Sawminathan, Sathishkumar Munusamy, Saravanakumar Manickam, Dhanapal Jothi, Sathiyanarayanan KulathuIyer. Dyes and Pigments 2021, 196, 109755.

• "Fluorescent chemosensors for Hg2+ ions based on a pyridine-attached phenanthridine probe" Shanthi Seenan, Saravanakumar Manickam and Sathiyanarayanan Kulathu Iyer. New Journal of Chemistry  2021,45, 17667. 

• "A highly selective and sensitive colorimetric chemosensor for the detection of hydrogen sulfide: Real-time applications in multiple platforms" Dhanapal Jothia, Sathishkumar Munusamy and Sathiyanarayanan Kulathu Iyer. Photochemistry and Photobiology., DOI:10.1111/php.13506.

• "A new sensitive "turn-on" fluorescent probe based on naphthalimide: Application in visual recognition of hydrogen sulfide in environmental samples and living cells" Dhanapal Jothia, Sathishkumar Munusamy and Sathiyanarayanan Kulathu Iyer. Journal of Photochemistry & Photobiology, A: Chemistry 2021, 420, 113491.

• "A new furan based fluorescent chemosensor for the recognition of Cr3+ ion and its application in real sample analysis" Shanthi Seenan, Saravanakumar Manickam and Sathiyanarayanan Kulathu Iyer. Journal of Photochemistry & Photobiology, A: Chemistry  2021, 418, 113441.

• "A new imidazole based phenanthridine probe for ratiometric fluorescent monitoring of methanol in biodiesel" Sathish Sawminathan and Sathiyanarayanan Kulathu Iyer. New Journal of Chemistry, 2021, 45, 6033

• "Electroluminescence of iridium(III) complexes containing F or CF3 substituents" Sohrab Nasiri, Manojkumar  Dhanthal Thiyagarajan, Umamahesh Balijapalli, Malek Mahmoudi, Dmytro Volyniuk, Jurate Simokaitiene, Madhvesh Pathak, Sathiyanarayanan  KulathuIyer and Juozas VidasGrazulevicius. Synthetic Metals 2021, 273, 116673 .

• "Phenanthridine-based donor/acceptor fluorescent dyes: Synthesis, photophysical properties and Fluorometric Sensing of Biogenic Primary Amines " Sathish Sawminathan, Sathishkumar Munusamy, Dhanapal Jothi and Sathiyanarayanan Kulathu Iyer. Chemistry Select, 2021, 6(4), 858-864.

• "A simple and optically responsive chemosensor for the detection of Al3+ and Cr3+: In live cells and real sample analysis " Venkatesan Muthukumar and Sathiyanarayanan KulathuIyer. Inorganic Chemistry Communications, 2020, 122, 108289.

• "Twisted pyrene with perfect hetero atomic cavity optical sensor for Hg22+ and Pb2+" Venkatesan Muthukumar and Sathiyanarayanan KulathuIyer. Inorganic Chemistry Communications, 2020, 121, 108187.

• "Highly sensitive turn-off fluorescent detection of cyanide in aqueous medium using dicyanovinyl-substituted phenanthridine fluorophore" Saravanakumar Manickama  and  Sathiyanarayanan Kulathu Iyer. RSC Advances 2020, 10, 11791-11799 .

• "A colorimetric and ratiometric fluorescent sensor for biogenic primary amines based on dicyanovinyl substituted phenanthridine conjugated probe" Manickam Saravanakumar, Balijapalli Umamahesh, Ramasamy Selvakumar, Jothi Dhanapal, S.K. Ashok kumar, Kulathu Iyer Sathiyanarayanan. Dyes and Pigments 178 (2020) 1083462

• "Rational synthesis of tetrahydrodibenzophenanthridine and phenanthroimidazole as efficient blue emitters and its applications" by Manojkumar Dhanthala Thiyagarajan; Umamahesh Balijapalli; Sohrab Nasiri; Dmytro Volyniuk; Jurate Simokaitienec; Madhvesh Pathak; Sathiyanarayanan Kulathu Iyer, Juozas Vidas Gražulevičius. Eur. J. Chem.  2020, 834-844. 

• "PFOM fillers embedded PVDF/cellulose dual-layered membranes with hydrophobic–hydrophilic channels for desalination via direct contact membrane distillation process" Thanigaivelan Arumugham, Noel Jacob Kaleekkal, Dipak Rana and Kulathu Iyer Sathiyanarayanan. RSC Adv., 2019, 9, 41462 .

• "Fused pyrazole-phenanthridine based dyads: synthesis, photo-physical and theoretical studies, and live cell pH imaging" Venkatesan Muthukumar, Sathishkumar Munusamy, Krishnan Thirumoorthy, Sathish Sawminathan and Sathiyanarayanan KulathuIyer. RSC Adv., 2019, 9, 38687.

• "Colorimetric metal sensing of Fe3+and Photo physical, Electrochemical studies based on Benzo[4,5]thiazolo[3,2-a]pyrimidine-3-carboxylate and its Derivatives ". Shanthi Seenan and Sathiyanarayanan Kulathu Iyer. J. Org. Chem., Just 2020, 85, 4, 1871–1881.

• "Human-eyes-friendly white electroluminescence from solution-processable hybrid OLEDs exploiting new iridium (III) complex containing benzoimidazophenanthridine ligand". Manojkumar DhanthalaThiyagarajan, Umamahesh Balijapallia, Karolis Leitonas, Dmytro Volyniukc, Jurate Simokaitiene, Jonas Keruckas, Eglė Jatautienė, Madhvesh Pathak, Sathiyanarayanan KulathuIyer, Juozas Vidas Gražulevičius. Dyes and Pigments. 174, 2020, 108068.

• "A sustainable synthesis of green carbon quantum dot (CQD) from catharanthus roseus (white flowering plant) leaves and investigation of its dual fluorescence responsive behavior in multi-ion detection and biological applications". Sathiyanarayanan Kulathu Iyer, Thanigaivelan Arumugham, Manikandan Alagumuthu, Reshika Gnanamoorthi, sathishkumar Munusamy. Sustainable Materials and Technologies. 23, 2020, e00138 

• "Tetrahydrodibenzo[a,i]phenanthridin-5-yl)phenol as fluorescent probe for the detection of Aniline " Umamahesh Balijapalli;  Saravanakumar Manickam; Krishnan Thirumoorthy; Karthikeyan Natesan Sundaramoorthy; Sathiyanarayanan Kulathu Iyer. The Journal of Organic Chemistry 2019, 84 (18), 11513-11523.

• "SnCl2-catalyzed synthesis of dihydro-5H- benzo[f]pyrazolo[3,4-b]quinoline and dihydroindeno[2,1-b]pyrazolo[4,3-e]pyridine with high fluorescence and their photophysical properties". Saravanakumar Manickam, Umamahesh Balijapalli and Kulathu Iyer Sathiyanarayanan. New J. Chem., 2018, 42, 860.

• "One-pot Synthesis and Photophysical studies of of styryl basedbenzo[f]pyrazolo[3,4-b]quinoline and indeno[2,1-b]pyrazolo[4,3-e]pyridines". Saravanakumar Manickam, Umamahesh Balijapalli, Sathish Sawminathan, Pavithra Samuelrajamani, Srividya Kamaraj, Vijayshanthi Shanmugam, Sona Ramalingam and Sathiyanarayanan Kulathu Iyer. Eur. J. Org. Chem. 2018, 45, 6204-6216 (Impact factor 2.834)

• "Synthesis of Highly Functionalized Strained Bicyclic Dilactam Derivatives".Vivek Panyam Muralidharan, Ramachandran Gunasekar, and Sathiyanarayanan Kulathu Iyer. Synthetic Communications. 2018, 48, 1671-1677 (Impact factor 1.134)

• "Highly selective chemosensor for the detection of Ru3+ ion by fluorescent turn-on response and its bioimaging recognition in living cells". Venkatesan Muthukumara, Sathiyanarayanan Kulathu Iyer. Sensors & Actuators: B. Chemical, 2018, 267, 373-380 (Impact factor 5.401)

• "Naphthalimide-Based Chiral Fluorescence Sensor Employing (S)-BINOL Unit for Highly Enantioselective Recognition of α-Amino Alcohols with Opposite Chiral Selectivity". Vivek Panyam Muralidharan and Sathiyanarayanan Kulathu Iyer. ChemistrySelect. 2018, 3, 3111 – 3117.

• "Molecular substantiation and drug efficacy of relatively high molecular weight S-Binols; appraised as breast cancer medication and PI3Kinase inhibitors".  Venkatesan Muthukumar and Sathiyanarayanan Kulathu Iyer. Journal of Heterocyclic Chemistry SNB-D-17-04780R1 (Impact factor 0.893)

• "SnCl2-Catalyzed synthesis of dihydro-5H-benzo[f]pyrazolo[3,4-b]quinoline and dihydroindeno[2,1-b]pyrazolo[4,3-e]pyridine with high fluorescence and their Photophysical properties". Saravanakumar Manickam, Umamahesh Balijapalli and Sathiyanarayanan Kulathu Iyer. New Journal of Chemistry. 2018, 42, 860-871 (Impact factor 3.269)

• "A new approach for fluorescent tetrahydrobenzo[f]pyrimido[4,5- b]quinolines and indeno fused pyrido[2,3-b]pyrimidines". Saravanakumar Manickam and Sathiyanarayanan Kulathu Iyer. Dyes and pigments. 2017, 147, 300-312 (Impact factor 3.473)

• "Enantioselective Recognition of Unmodified amino acids by Ligand-Displacement Assays with In Situ Generated 1:1 Cu(II)- BINOL Imidazole complex".  Sathishkumar Munusamy, Vivek Panyam Muralidharan and SathiyanarayananKulathuIyer. Sensors & Actuators: B. Chemical. 2017, 250, 244-249 (Impact factor 4.758)

• "Iodine catalyzed three component synthesis of 1-((2-hydroxy naphthalen-1-yl) (phenyl)(methyl) pyrrolidin-2-one derivatives: rationale as potent PI3K inhibitors and anticancer agents".  Vivek Panyam Muralidharana Manikandan Alagumuthub and Sathiyanarayanan Kulathu Iyera*. Bioorganic & medicinal chemistry letters. 2017, 27, 2510-2514 (Impact factor 2.486)

• "Direct chemo, regio & diastereoselective synthesis of β-keto ethers from acrylonitrile by cascade-aldol /oxo-Michael reaction in cyclododecanone". V. Sathesh and Kulathu Iyer Sathiyanarayanan SYNLETT. 2017, 28, 1331-1335 (Impact factor 2.323)

• "Direct oxidative cascade cyclisation of 2-aminobenzoic acid and arylaldehydes to aryl 4H-3,1-benzoxazin-4-ones with oxone". Sathishkumar Munusamy, Vivek Panyam Muralidharan and Kulathu Iyer Sathiyanarayanan. Tetrahedron Letter,  2017, 58 (6), 520-523 (Impact factor 2.347)

• "Enantioselective fluorescent sensing of chiral carboxylic acid by engaging Boronic acid and BINOL".  Sathishkumar Munusamy, Tirumoorthy Krishnan, Vivek Panyam Muralidharan, Umamahesh Balijapalli and Kulathu Iyer Sathiyanarayanan*. Sensors and Actuators B: Chemical, 2017, 224, 175-181 (Impact factor ４.758)

• "Luminescent Tetrahydrodibenzo[a,i]phenanthridin-5-yl)phenol-boron Complexes (Borophenanthridines)". Balijapalli Umamahesh, Joseph Ajantha, Chinduluri Sravani, Shanmugam Easwaramoorthi, Kulathu Iyer Sathiyanarayanan. Dyes and Pigments, 2017, 137, 182-190. (Impact factor 3.473)

• "An insight into the photophysical properties of amide hydrogen bonded N-(benzo[d]thiazol-2-yl) acetamide crystals". Umamahesh Balijapalli, Sathiskumar Udayadasan, Vivek Panyam Muralidharan, Dileep Kumar Sukumarapillai, Easwaramoorthi Shanmugam, Aravindan Paduthapillai Gopal, Ravindranath S. Rathore and Sathiyanarayanan Kulathu Iyer. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2017, 173, 572-577 (Impact factor 2.653).

• "Tetrazole Iridium(III) complexes as class of phosphorescent emitters for high-efficiency OLEDs". Umamahesh, Karthikeyan Natesan Sundaramoorthy, Kulathu Iyer Sathiyanarayanan, Joanna Maria Malicka and MASSIMO COCCHI. J. Mater. Chem. C, 2016, 4, 10053 (Impact factor 5.066)

• "Photophysical studies of donor, acceptor substituted tetrahydrodibenzo[a,i]phenanthridines". Balijapalli Umamahesh, Udayadasan Sathiskumar, George Augustine, Shanmugam Easwaramoorthi, Niraikulam Ayyadurai and Kulathu Iyer Sathiyanarayanan. Dyes and Pigments, 2016, 134, 409-418. (Impact factor 3.473)

• "Synthesis of T-shaped Oxazolonaphthoimidazo‌[1,2-a]‌pyridines using Lactic Acid as Bio--based Green Solvent: An Insight into Photophysical Studies". Dr. Umamahesh Balijapalli, Manojkumar Dhanthalu Thiyagarajan, Saravanakumar Manickam and Dr. Kulathu Iyer Sathiyanarayanan. Chemistry Select, 2016, 1, 2900-2908

• "Design, synthesis and cholinesterase inhibitory evaluation study of fluorescent N-benzylpiperidin-4-one derivatives". Kulathu Iyer Sathiyanarayanan, Dileep Kumar Sukumara Pillai, Kooi Yeong Khaw, Yalda Kia and Vikneswaran Murugaiyah. Medicinal Chemistry Research, 2016, 25, 1705-1715    (Impact factor 1.436)

• "Highly Emissive, Naked-Eye Solvatochromic probe Based on Styryl Tetrahydrodibenzo[a,i]phenanthridine for Acidochromic Applications". Umamahesh Balijapalli, Saravanakumar Manickam, Manojkumar Dhanthalu Thiyagarajan, and Sathiyanarayanan Kulathu Iyer. RSC Advances, 2016, 6, 58549 - 58560 (Impact factor 3.84)

• "Chiral (S)-BINOL based fluorescent sensor for recognition of Fe(III) and cascade discrimination of <alpha>-amino acids". Sathishkumar Munusamy and Kulathu Iyer Sathiyanarayanan. Tetrahedron Asymmetry, 2016, 27, 492-497 (Impact factor 2.155)

• "Synthesis of Bi2Mo3O12 and Bi2-xRExMo3O12 nanorods (RE = Eu3+ and Pr3+ and x= 0.07 to 0.3): Improved photocatalytic activity towards the degradation of Rhodamine B dye under visible light". Triveni Rajashekar Mandlimath, Akshit Moliya and Kulathu Iyer Sathiyanarayanan. visible light". Triveni Rajashekar Mandlimath, Akshit Moliya and Kulathu Iyer Sathiyanarayanan. Applied Catalysis A, (2016), pp. 34-47 (Impact factor 3.942)

• "Synthesis, Photophysical and Acidochromic Properties of a Series of Tetrahydrodibenzo[a,i]phenanthridine Chromophores" - Umamahesh Balijapalli, Sathiskumar Udayadasan, Eswaramoorthy Shanmugam and Kulathu I. Sathiyanarayanan. Dyes and Pigments, 2016, pp. 233-244  (Impact factor 3.473)

• "Temperature-controlled Mukaiyama aldol reaction of cyclododecanone(CDD) with aromatic aldehydes promoted by TMSCl via (TMS)3Si intermediate generated in situ" - Venkatesan Sathesh and Kulathu I. Sathiyanarayanan. New Journal of Chemistry, 2016, 40, 3833-3842 (Impact factor 3.086)

• "Hepta-Coordinated Heteroleptic Derivatives of Zirconium(IV): Synthesis, Structural Characterization and Ring Opening Polymerization of ε-Caprolactone" - Vuppalapati Giri Prasanth, Ravindranath S Rathore, Madhvesh Pathak and Kulathu Iyer Sathiyanarayanan. Polyhedron, 2016, 107, pages 163-171   (Impact factor 2.011)

• "Facile synthesis of ZnAl2O4 nanoparticles: Efficient and reusable porous nano ZnAl2O4 and Copper supported on ZnAl2O4 catalysts for one pot green synthesis of propargylamines and imidazo[1,2-a]pyridines by A3 coupling reactions" - Triveni Rajashekar Mandlimath and Kulathu Iyer Sathiyanarayanan. RSC Advances, 2015, 6, 3117-3125  (Impact factor 3.84)

• "Tuning the Electronic Properties of 2-Cyano-3-Phenylacrylamide Derivatives" - Ramachandran Gunasekar, Pichandi Thamaraiselvi, Ravindranath S. Rathore, Kulathu Iyer Sathiyanarayanan, and Shanmugam Easwaramoorthi - J. Org. Chem., 2015, 80, 12351−12358 (Impact factor 4.721)

• "Dual behaviour of ammonium acetate for the synthesis of diverse symmetrical /unsymmetrical bis [1, 3] oxazines possessing anti-cancer activity" - G. Ramachandran and K. Sathiyanarayanan - Synthetic Communication - 2015, 45(6), 750-757 (Impact factor 0.984)

• "Synthesis and Optical Properties of a Series of Green Light Emitting 2-(4-phenylquinolin-2-yl) phenol-BF2 complexes (Boroquinols)" - B.Umamahesh and K.Sathiyanarayanan - European Journal of Organic Chemistry- 23, 2015, 5089-5098 (Impact factor 3.154)

• "CuO-CuAl2O4 and D-Glucose Catalyzed Synthesis of a Family of Exited State Intramolecular Proton Transfer Imidazo[1,2-a]pyridine Analogues and their Optical Properties - B. Umamahesh and Kulathu Iyer Sathiyanarayanan. Dyes and Pigments - 121, 2015, 88–98  (Impact Factor 3.473)

• “Synthesis, spectroscopic characterization and in-vitro studies of new heteroleptic copper (II) complexes derived from 2-hydroxy napthaldehyde Schiff's bases and N, N donor ligands: Antimicrobial, DNA binding and cytotoxic investigations” - Tummalapalli Kirana, Vuppalapati Giri Prasantha, M.M. Balamuralia, C.S. Vasavib, Punnagai Munusamib, Kulathu Iyer Sathiyanarayanana, Madhvesh Pathak. Inorganica Chimica Acta Volume 433, 2015, Pages 26–34 (Impact Factor 2.041)

• “Synthesis, structural and ε-caprolactone polymerization studies of heteroleptic derivatives of aluminium(III)” - Vuppalapati Giri Prasanth, Tummalapalli Kiran, Paduthapillai Gopal Aravindan, Kulathu Iyer Sathiyanarayanan, Madhvesh Pathak. Journal of Coordination Chemistry, 2015, 68(14), 2480–2491

• “Synthesis of Benzofused 1,4-Azaborinols via [4+2] Annulation Strategy and its Application in Indole Synthesis” - Murugan Chinnapattu, Sathiyanarayanan Kulathu Iyer and Pravin S Iyer. RSC Advances., 2015, 5, 37716 (Impact Factor 3.708)

• “Dearomatization strategies of Heteroaromatic compounds” - A review article. G. Ramachandran and Kulathu Iyer Sathiyanarayanan, Current Organocatalysis 2015, 2, 14-26.

• “A novel, facile, rapid, solvent free protocol for the one pot green synthesis of chromeno[2,3-d]pyrimidines using reusable nano ZnAl2O4 – NOSE approach and their photophysical studies” - B. Umamahesh, Triveni Rajashekar Mandlimath and Kulathu Iyer Sathiyanarayanan. RSC Adv., 2015,5, 6578-6587 (Impact Factor 3.708).

• “Synthesis and biological evaluation of adamantane-based aminophenols as a novel class of antiplasmodial agents” - Murugan Chinnapattu, Sathiyanarayanan Kulathu Iyer and Pravin S Iyer. Bioorganic & Medicinal Chemistry Letters - 25(2015) 952-955 (Impact Factor 2.331).

• “Copper catalyzed C-N bond formation / C-H activation: Synthesis of aryl 4H-3, 1-benzoxazin-4-ones” - Sathishkumar Munusamy, Sathesh Venkatesan and Kulathu Iyer Sathiyanarayanan, Tetrahedron Letters 56 (2015) pp. 203-205 (Impact Factor 2.391).

• “Domino reaction for the synthesis of highly functionalized triazatricyclo [6.2.2.01, 6] dodecane” - G. Ramachandran and K. Sathiyanarayanan.  Synthetic Communication 45 (2015) 760-767 (Impact Factor 1.062)

• “Eco-efficient, chemoselective and rapid access to aminals from lactams using recyclable silica supported FeCl3 catalyst in green solvent” - G. Ramachandran, M. Triveni, V. Sathesh, B. Umamahesh and K. Sathiyanarayanan. Chemistry Letters 2014, 43, 1631–1633 (Impact Factor 1.30)

• "Four component domino reaction for the synthesis of highly functionalized dimeric tetracyclic dilactam fluorophores: H-bond Aided Self-Assembly" - Ramachandran Gunasekar, Raman Arunachalam, Easwaramoorthi S, RS Rathore and Kulathu Iyer Sathiyanarayanan, RSC Adv., 2014,4, 29276-29280  (Impact Factor 3.708).

• "A mild and efficient one-pot three component synthesis of anti-β-amino carbonyl compounds catalyzed by NH4OAc and their anticancer activities" - Sathesh Venkatesan, Natesan Sundaramurthy Karthikeyan, Ravindranath S. Rathore, Periyasamy Giridharan d and Kulathu Iyer Sathiyanarayanan Medicinal Chemistry Research (2014) 23:5086–5101 (Impact Factor 1.612).

• "Rapid one pot synthesis of Xanthene derivatives by an efficient and reusable nano ZnAl2O4 " - Triveni Rajashekar Mandlimath, Umamahesh Balijapalli and Kulathu Iyer Sathiyanarayanan  Journal of Molecular Catalysis A: Chemical 391 (2014) 198-207 (Impact Factor 3.679).

• "Cyclododecanone as a recyclable protecting group for the synthesis of highly functionalized 3-amino-2-thiohydantoins from conventional starting materials" - Munusamy Sathishkumar, Gunasekar Ramachandran and Kulathu Iyer Sathiyanarayanan - RSC Advances 2014,4, 8498-8501  (Impact  Factor 3.708)

• "Green Trends in Mannich Reaction" - W. Sreevalli, G. Ramachandran, W. Madhuri and K. Sathiyanarayanan -  Mini-Reviews in Organic Chemistry   Volume 11, Number 1, 2014, pp 97-115 (Impact Factor 1.773)

• "Domino condensation/Heterocyclisation reactions: Iodine catalyzed four component synthesis of [1,3]thiazine" - Sathishkumar Munusamy, Kulathu Iyer Sathiyanarayanan - RSC Advances 2014, 4, 8808-8811. (Impact Factor 3.708)

• "Efficient iodine catalyzed chemoselective synthesis of aminals - An access to N,N-acetals by the addition of lactams to N-acyl iminesN,N-acetals by the addition of lactams to N-acyl imines" Gunasekar Ramachandran and Kulathu Iyer Sathiyanarayanan -Tetrahedron Letters,  2013, 54, 6758–6763 (Impact Factor 2.397). 

• " A Green approach for the one-pot multi-component synthesis of Nsubstituted γ, δ and ε- lactams involving C-N bond formation catalyzed by FeCl3"  -  Venkatesan Sathesh, Munusamy Sathishkumar, Gunasekar Ramachandran, Ravindranath S. Rathore and Kulathu Iyer Sathiyanarayanan -   RSC Advances: 2013,3, 23035-23045 (Impact Factor 3.708).

• "Metal-free, one-pot rapid synthesis of tetrahydropyridines using dual role of acetic acid as solvent and catalyst at room temperature"  -  Umamahesh Balijapalli, Sathishkumar Munusamy, Natesan Sundaramoorthy Karthikeyan and Kulathu Iyer Sathiyanarayanan - Synthetic Communications - 1 (44) 2014, 943-953 (Impact Factor 1.062).

• "Synthesis of Green Light Emitting Fused Pyrazolinopiperidines - Photophysical and Electrochemical Studies"  -  Shanmugam Easwaramoorthi, Balijapalli Umamahesh, Pugalendhi Cheranmadevi, Ravindranath S. Rathore, and Kulathu Iyer Sathiyanarayanan - RSC Advances - 2013, 3, 1243-1254 (Impact Factor 3.708).

• "Direct anti and regio-specific aldol reactions of cyclododecanone catalyzed by Alkali metal hydroxides: Implications for supramolecular helical design" -   Sathesh Venkatesan , Umamahesh B ,  Ramachandran Gunasekar  and R.S Rathore and  Kulathu Iyer Sathiyanarayanan -  New Journal of Chemistry - RSC - 2012, 36, 2292-2301. (Impact Factor 3.159)

• "Organic Domino Reactions Catalyzed by Molecular Iodine" - Gunasekar Ramachandran and Kulathu Iyer Sathiyanarayanan -  Recent Patents on Catalysis - Bentham Science Publishers Volume 1, Issue 2, pp.137-158 (22), 2012.

• "Synthesis and Structural confirmation of product selective Cyclic [1,3]oxazines and Schiff bases bearing symmetrical / unsymmetrical units" -   Natesan Sundaramoorthy Karthikeyan, Gunasekar Ramachandran,  Ravindaranath Rathore and Kulathu Iyer Sathiyanarayanan - Asian Journal of Organic Chemistry 2012, Volume 1, 173–179. (Impact Factor 2.292) 

• LaCl3.7H2O as an efficient catalyst for one-pot synthesis of highly functionalized piperidines via multi-component organic reactions" -  Umamahesh Balijapalli, Sathesh Venkatesan, Ramachandran Gunasekar, Sathishkumar Munusamy and Sathiyanarayanan Kulatu Iyer.  Catalysis Letters (2012) 142:895–900 (Impact factor - 2.291)

• "Efficient iodine catalyzed three components domino reaction for the synthesis of 1-((phenylthio) (phenyl) methyl) pyrrolidin-2-one derivatives possessing anticancer activities" - Gunasekar Ramachandran, Natesan S. Karthikeyan, Periyasamy Giridharan and Kulathu I. Sathiyanarayanan - Organic & Biomolecular Chemistry (RSC)  2012, 10, 5343.(Impact factor - 3.487)

• "Screening of Anticancer Activity and Molecular Modeling Study of Novel Phenanthridine, Azabicycle and Cycloalkanone Derivatives". Natesan Sundaramoorthy Karthikeyan, Gunasekar Ramachandran, Sathiyanarayanan Kulathu Iyer, Periyaswamy Giridharan, Panneer Selvam Suresh, Muthuvel Suresh Kumar and Venugopal Kasi Sankar Journal of Pharmacy Research 2012, 5(5), 2959-2964.

• "1-Methoxy-4-({[(4-methoxyphenyl)-sulfanyl](phenyl)methyl}sulfanyl)benzene"  H. Li, G. Ramachandran, M. Sathishkumar, K. Sathiyanarayanan and R. S. Rathore Acta Cryst. (2012). E68, o782

• "1,1'-[(2-Bromophenyl)methylene]-dipyrrolidin-2-one" H.-Q. Li, G. Ramachandran, V. Satheesh, K. Sathiyanarayanan and R. S. Rathore Acta Cryst. (2012). E68, o768.

• "Synthesis and molecular structure of new macro acyclic Mannich derivative: Symmetrical and unsymmetrical 2-[(E)-(benzylideneamino) (aryl) methyl]- cyclododecanone". Natesan Sundaramoorthy Karthikeyan, Ramachandran Gunasekar, Kulathu Iyer Sathiyanarayanan & Rathore Ravindaranath Synthetic Communications. 42: 3429–3440, 2012 (Impact factor - 1.062)

• "Statistical descriptors to measure the effectiveness of hydrogen bonding groups and an example of ether oxygen". R. S. Rathore, Y. Alekhya, A. K. Kondapi and K. Sathiyanarayanan Cryst. Eng.Comm., 2011, 13, 5234.  (Impact factor - 3.879)

• "Synthesis, crystal structure and anticancer properties of cyclic monocarbonyl analogs of curcumin". Natesan Sundarmurthy Karthikeyan, Kulathu Iyer Sathiyanarayanan, Paduthapillai Gopal Aravindan, P. Giridharan Med. Chem. Res. 20, 81(2011).  (Impact factor - 1.612)

• "(7E)-5-Benzyl-7-(2-chlorobenzylidene)-3-(2-chlorophenyl)-2-phenyl-3,3a,4,5,6,7-hexahydro-2H-pyrazolo[4,3-c]pyridine". N. S. Karthikeyan,a B. Uma Mahesh,a K. Sathiyanarayanan,a P. Raghavaiahb and R. S. Rathore Acta Cryst (2010) E66, 1734

• "3-(7, 8, 13, 14-Tetrahydrodibenzo [a,i]phenanthridin-5-yl)benzene-1,2-diol". N. S. Karthikeyan, G. Ramachandran, K. Sathiyanarayanan, P. Raghavaiahb and R. S. Rathore Acta Cryst (2010) E66, 1753

• "Azabicyclo[3.3.1]nonanone: a case when weak interactions are preferred over strong hydrogen bonds". R. S. Rathore, K. Sathiyanarayanan, N. S. Karthikeyan,  P. G. Aravindan Struct. Chem. 21, 909(2010). (Impact factor - 1.772)

• "Cooperative C-H…..N and C-H….π bonded molecular dimers of 5-aryl-7,8,13,14-tetrahydro-dibenzo[a,i]phenanthridine". R.S. Rathore, N.S. Karthikeyan, K. Sathiyanarayanan, P.G. Aravindan J.Mol.Structures, 963, 45 (2010).  (Impact factor - 1.599)

• "Ammonium Acetate: An Efficient Reagent for the One-pot Synthesis of 5-Aryl-7,8,13,14-tetrahydrodibenzo[a,i]phenanthridines, 2,4-Diaryl-6,7-benzo-3-azabicyclo[3.3.1]nonan-9-ones and α,α’-Bis(substituted benzylidene)cycloalkanones". Natesan Sundaramurthy Karthikeyan, Kulathu Iyer Sathiyanarayanan and Paduthapillai Gopal Aravindan Bull. Korean Chem Soc., 30, 2555 (2009).  (Impact factor - 0.871)

• "Dual Behavior of 2- Tetralone: A New Approach for the Synthesis of 5-Aryl-7,8,13,14-tetrahydrodibenzo[a,i]phenanthridine". Kulathu Iyer Sathiyanarayanan, Natesan Sundaramurthy Karthikeyan, Paduthapillai Gopal Aravindan, Seenan Shanthi, Ravindranath S. Rathore, Chang Woo Lee J. Heterocyclic Chem., 46, 1142 (2009). (Impact factor - 0.962)

• "(3E,5E)-3,5-Bis(4-allyloxybenzylidene)-1-benzylpiperidin-4-one". N. S. Karthikeyan, K. Sathiyanarayanan, P. G. Aravindan, H. Ghosh and R. S. Rathore Acta Cryst (2009) E65,3062

• "(3E,5E)-1-Benzyl-3,5-dibenzylidenepiperidin-4-one". N. S. Karthikeyan, K. Sathiyanarayanan, P. G. Aravindan and R. S. Rathore Acta Cryst (2009) E65, 2775

• "(3E,5E)-1-Benzyl-3,5-bis(2-fluorobenzylidene)piperidin-4-one" . R. S. Rathore, N. S. Karthikeyan, K. Sathiyanarayanan and P. G. Aravindan Acta Cryst (2009) E65, 2667

• "Use of vegetable oil as fuel to improve the efficiency of cooking stove". R. Natarajana,  N.S. Karthikeyana, Avinash Agarwaala, K. Sathiyanarayanan  Renewable Energy (2008) 33, 2423 - 2427. (Impact factor - 2.554)

• "2,3-Bis[(2-methylphenoxy)methyl]buta-1,3-diene"., K. Sathiyanarayanan, A. George Fernand, V. Dhanasekaran and R. S. Rathore Acta Cryst. (2008). E64, o123

• "2,3-Bis(phenoxymethyl)buta-1,3-diene"., K. Sathiyanarayanan, A. George Fernand, V. Dhanasekaran and R. S. Rathore Acta Cryst. (2008). E64, o124

• {2-Methylidene-3-[(9-phenylsulfanyl)methyl]but-3-en-1-ylsulfamyl}benzene: flip – flop disorder., Acta Crystallographica (2007), E63, o2504 – o2505

• Studies on Suppression of Hydrogen Evolution Reaction for Zinc/Air Fuel cell., Materials Science Forum Vols. 539 – 543 (2007) 1427 – 1430. 

• A novel approach to explore Zn based anodes for lithium – ion battery applications., Electrochim Acta 52 (2007) 2453- 2460.  (Impact factor - 3.642)

• Behaviour of N-Chlorosuccinimide Toward Diphenyl Selenide : A Kinetic and Mechanistic Study., J. Ind. Eng. Chem., 13, 420(2006).  (Impact factor - 2.149)

• Kinetics and Mechanism of EDTA-Catalyzed Oxidation of (S)-Phenylmercaptoacetic Acid by Chromium (VI)., J. Ind. Eng. Chem., 12, 727(2006).  (Impact factor - 2.149)

• Preliminary Comparative Studies of Zinc and Zinc Oxide Electrodes on Corrosion Reaction and Reversible Reaction for Zinc/Air Fuel Cells. Electrochim  Acta  56 (2006) 1588 -1591.(Impact factor -  3.642)

• Novel Alloys to improve the Electrochemical Behavior of Zn Anodes for Zn/Air Battery., J. Power Sources 160 (2006) 1436 – 1441. (Impact factor - 4.283)

• Effect of Additives on the Electrochemical Behaviour of Zn Anodes for Zn/Air Fuel Cells., J. Power Sources 160 (2006) 161 -164. (Impact factor -  4.283)

• Novel Electrochemical Behavior of Zn Anodes in Zn/Air Batteries in the Presence of Additives., J. Power Sources 159 (2006) 1474 - 1477. (Impact factor -  4.283)

• Oxidation of S- Phenylmercaptoacetic acid by  N- Chloronicotinamide: A Kinetic and Mechanistic Study., J. Ind. Eng. Chem., 12, 280 (2006). (Impact factor - 2.149)

• An improved method for defluoridation., Indian Journal Environmental Health 45, No.1,65(2003). 

• Kinetics and Mechanism of Oxidation of Substituted S-Phenylmercapatoacetic acids by chromic acid., Oxidation  Communications, 21, No.2, 222(1998).   (Impact factor - 0.24)

• Kinetics and Mechanism of Oxidation of Aromatic Anil by Pyridinium cholorchromate (PCC)., J. Ind. Chem Soc., 72, 417(1995)

• Kinetics and Mechanism of Oxidation of  S-Phenylthioacetic acids by Ce(IV)., Tetrahedron, 50, 13731(1994). (Impact factor - 3.011)

• Reactivity of Cyclopentanone Oxime and Cyclohexanone Oxime towards Pyridiumum dichromate(PDC) and Quinolinium dichromate (QDC) – A comparative Spectrophotometric study., Oxidation Communications, 17, nos 1-2, 102 (1994). (Impact factor - 0.24)

• Kinetics of oxidation of phenoxyacetic acids by Bipyridinium chromate (BPC) in Dimethylformamide(DMF)., Oxidation Communications,17,  No.2,84 (1994).  (Impact factor - 0.24)

• Kinetics and Mechanism of Oxidation of phenoxyacetic acids by Chromic acid., Asian J.Chem, 6, 449(1994). 

• Ru(III) Catalysed  oxidation of  Phenoxyacetic acids by aqueous phenyliodoso acetate., Oxidation Communications, 16, Nos.3-4, 351( 1993).  (Impact factor - 0.24)

• Kinetics of oxidation of oximes of some piperidin-4-ones by pyridinium chlorochromate., Indian J. Heterocyclic  Chemistry, 2, 81 (1992). 

• A comparative study on the kinetics of oxidation of some secondary alcohols by 1- Chlorobenzotriazole and pyridinium dichromate., Asian J.Chem., 4, 903 (1992)

• Kinetics and mechanism of some para, meta and ortho- substituted Ethyl S-phenylmercaptoacetates by Chloramine-B., Int.J.Chem.Kinetics, 24, 953 (1992).   (Impact factor - 1.62)

• Kinetics and Mechanism of Oxidation of Ethy1 phenylthioacetate by Bromamine-B., Bull. Chem. Soc. Jpn., 65, 1096(1992). (Impact factor - 1.73)

Patents:

• "A novel benzophenanthridine compound, its derivatives and the process of synthesis thereof" Karthikeyan Natesan Sundaramoorthy and Sathiyanarayanan Kulathu Iyer. Indian Patent Publication date 29.07.2011 "We have developed a one-pot method for the preparation of Phenanthridine from benzaldehyde and 2-tetralone using ammonium acetate as a catalyst"- Granted  Indian patent; Patent Number: 284811.

• 4408/CHE/2011. A domino reaction for the synthesis of 1-substituted phenylthio substituted phenyl methyl pyrrolidones.-Gunasekar Ramachandran and Sathiyanarayanan Kulathu Iyer. Granted  Indian patent; Patent Number: 323519.

• 4998/CHE/2012. Synthesis of mono and bis [1, 3] oxazines bearing unsymmetrical units by a controllable substitution pattern in a single step using dual behaviour of ammonium acetate. -Gunasekar Ramachandran, Karthikeyan Natesan Sundaramoorthy and Sathiyanarayanan Kulathu Iyer. Granted  Indian patent; Patent Number: 328454.

•  2257/CHE/2013. Synthesis of multifunctionalized benzo[h]quinoline-2,12(3H)-dione derivatives a new class of Aggregation-Induced Emission Fluorophores. - Gunasekar Ramachandran and Sathiyanarayanan Kulathu Iyer. Granted  Indian patent; Patent Number: 302352.

• Process for detection of aromatic amines in a sample using 5-(diethylamino)-2- (7,8,13,14 tetrahydrodibenzo[a,i] phenanthridin-5-yl)phenol. Umamahesh Balijapalli, Sathiyanarayanan Kulathu Iyer. Ref no:201641022804; C.B.R no: 15205. Indian patent filed on 02.07.2016.

• “TURN-ON” AND “NAKED EYE” DETECTION OF AROMATIC PRIMARY AMINES BY TETRAHYDRODIBENZO [A,I] PHENANTHRIDINE-5-YL PHENOLS-REACTIVITY BASED APPROACH " Sathiyanarayanan K, Umammahesh B. Application Number: 201641022804, Patent No :  396337 (Granted  Indian patent)

Book Chapter:

• "Synthesis of Phenanthridines, Azabicyclononanones and Cycloalkanones" - Karthikeyan Natesan Sundaramoorthy and Sathiyanarayanan Kulathu Iyer. LAMBERT Academic Publication. ISBN - 978-3-8484-1585-4; Published on 23-02-2012

• “Synthesis and anti-cancer studies of lactams and [1, 3] oxazines” - Gunasekar Ramachandran and Kulathu Iyer Sathiyanarayanan Scholars-Press Publisher - ISBN: 978-3-639-71567-5; Published on 23-04-2014.

• "Synthesis, Photophysical and Electroluminescent Studies of New Emitters.(Pyrazolinopiperidines, Phenanthridines, Imidazo[1,2-a]pyridines and Quinolines-Applications in Sensors and OLEDs)"-Umamahesh Balijapalli, Sathiyanarayanan Kulathu Iyer. LAP LAMBERT Academic Publishing. ISBN: 978-3-330-02601-8; Published on 05-01-2017.