PUBLICATIONS

JR Thondur, DS Sharada*, and G Satyanarayana*. Electrochemical stereoselective borylation of Morita–Baylis–Hillman adducts to functionalized allylic boronates. Chemical Communications, 2024, 12553-12556.

Punith S. G., Sharada D. S., Satyanarayana. G.A TBADT photocatalyst-enabled radical-induced cyclization pathway to access functionalized dihydrobenzofurans. Chemical Communications, 2023, 9094-9097.

Jagadeesh Reddy. T., Sharada, D. S., Satyanarayana. G. Electrochemical Oxidative Annulation of Inactivated Alkynes for the Synthesis of Sulfonated 2H-Chromene Derivatives. Organic Letters, 2022, 2793–2797.

Bakthadoss M, Reddy TT, Agarwal V, Sharada DS. Ester directed orthogonal dual CH activation and ortho aryl CH alkenylation via distal weak coordination. Chemical Communications. 2022 , 1406-1409.

Bakthadoss M, Mushaf M, Agarwal V, Reddy TT, Sharada DS. Azomethine ylide cycloaddition of 1, 3-dienyl esters: highly regio-and diastereoselective synthesis of functionalized pyrrolidinochromenes. Organic & Biomolecular Chemistry. 2022. 778 -782.

Srilaxmi M. Patel, Prasad Paradakshini, Manickam Bakthadoss and Duddu. S. Sharada. Photocatalytic Visible-Light-Induced Nitrogen Insertion via Dual C(sp3)–H and C(sp2)–H Bond Functionalization: Access to Privileged Imidazole-based Scaffolds, Org. Lett. 2021,23, 257−261

Anand H. Shinde, Venkata Nagarjuna Babu, Narenderreddy Katta and  Duddu. S. Sharada. Aluminium-Mediated Isocyanide Insertion and Sequential Ring Opening Cyclization (SROC) Strategy: Synthesis of Azole-Fused Benzimidazoquinazoline Skeletons             

Org lett. 2020  (Under Revision)

Two Step, One-Pot Sequential Synthesis of Functionalized Hybrid Polyheterocyclic Scaffolds via Solid State Melt Reaction.                                 

RSC Advance,2019, 9, 24314 -24318. 

Manickam Bakthadoss, Tadiparthi Tirpath Reddy, and Duddu. S. Sharada. Ruthenium-catalyzed, Site-Selective C-H activation: Access to C5-substituted azaflavanone  

RSC Adv., 2020,10, 31570-31574.

Narenderreddy Katta, Mamatha Ojha, Armugavel Murgan, Sagar Arepally. Duddu. S. Sharada. Visible light-mediated photocatalytic oxidative cleavage of activated alkynes via hydroamination: a direct approach to oxamates†action  

RSC Advance, 2020,10, 12599-12603.

Ruthenium mediated chemo and site-selective C–H amidation of oxobenzoxazine derivatives with sulfonyl azides.                                  

New Journal of Chemistry. 2019. 43, 14190-14195. 

Three Component, One-Pot Synthesis Of Multifunctional Quinolinopyranpyrazoles Via Catalyst-Free Multicomponent Reaction.       

Chem. Select. 2019, 4, 7996 - 7999. 

Regioselective C3-H trifluoromethylation of 2H-indazole under transition-metal-free photoredox catalysis                                   

J. Org. Chem.  2019. 84, 7796-7803 

Exocyclic N-Acyliminium ion (NAI) Cyclization: Access to Fully Substituted Oxazoles and Furocoumarins    J. Org. Chem. 2019, 84,6631-41

Srilaxmi M. Patel, Harika CH, Sonali Biswal, Sonika Sharma and Duddu, S. Sharada. Copper-Catalyzed Intramolecular α-C‒H Amination via Ring-Opening Cyclization Strategy to Quinazolin-4-ones: Development and Application in Rutaecarpine Synthesis” 

Synthesis, 2019, 51, 3160-3170.

Sagar Arepally, Narenderreddy Katta,  Ajoy Chamuah, Duddu, S. Sharada.Stereoselective Aminoiodination of  Activated Alkynes with Organoiodine(III) Reagents and Amines via Multiple-Site Functionalization: Access to Iodinated Enamines and N-Aryl Indoles. Eur. J. Org. Chem.  2019, 7, 1542-1547.  [This article is denoted as Very Important Paper (VIP)]. 

Manickam Bakthadoss, Srinivasan Jayakumar, Selavakumar Raman, Anthonisamy Devaraj, and Duddu, S. Sharada. A Novel Multicomponent Quadruple/Double Quadruple Domino Reaction: Highly Efficient Synthesis of Polyheterocyclic Architectures Org. Biomol. Chem.,  2019,17, 3884-3893 (Accepted Cover Page )

Manickam Bakthadoss, Polu Vijay Kumar , Tadiparthi Thirupathi Reddy, Duddu S. Sharada. Solvent and catalyst-free ring expansion of Indoles: A simple synthesis of highly functionalized Benzazepines. Org. Biomol. Chem., 2018,16, 8160-8168 

Sagar Arepally, Venkata Nagarjuna Babu, Ashok Polu, Duddu S. Sharada. PIDA/TBAB-Promoted Oxidative Geminal Dibromofunctionalization of Alkynes: Direct Synthesis of Geminal Diazides. Eur. J. Org. Chem. 2018  41, 5700-5705 

Arumugavel Murugan, Koteswar Rao Gorantla, Bhabani S. Mallik, Duddu S. Sharada. Iron Promoted C3-H Nitration of 2H-Indazole: Direct access to 3- Nitro-2H-Indazoles. Org. Biomol. Chem. 2018,16, 5113-5118​. 

Srilaxmi M. Patel, Kuntal Pal, P. Naresh Kumar, Melepurath Deepa, Duddu S. Sharada. Design and Synthesis of Novel Indole and Carbazole Based Organic Dyes for Dye-Sensitized Solar Cells: Theoretical Studies by DFT/TDDFT. Chem. Select. 2018, 3, 1623 – 1628 

Sagar Arepally, Venkata Nagarjuna Babu, Manickam Bakhadoss and Duddu S. Sharada. A Direct Cycloaminative Approach to Imidazole Derivatives via Dual C-H Functionalization. Org lett. 2017, 19,  5014–5017. 

Arumugavel Murugan, Shinde Vidyacharan, Ruma Ghosh and Duddu S. Sharada. Metal-Free Regioselective Dual C-H Functionalization in a Cascade Fashion: Access to Isocryptolepine Alkaloid Analogues. Chem. Select. 2017, 2,  3511–3515. 

Shinde Vidyacharan, Chandan Adhikari, Vagolu Siva Krishna, Rudraraju Srilakshmi Reshma, Dharmarajan Sriram,  and Duddu S. Sharada. A Robust Synthesis of Functionalized 2H-Indazoles via Solid State Melt Reaction (SSMR) and their Anti-tubercular Activity. Bioorg. Med. Chem. Lett. 2017, 27, 1593-1597. 

Anand H Shinde, Sagar Arepally, Mayur D. Baravkar and Duddu S. Sharada. Nickel-Catalyzed Aerobic Oxidative Isocyanide Insertion: Access to Benzimidazoquinazoline Derivatives via Sequential Double Annulation Cascade (SDAC) strategy. J. Org. Chem. 2016, 82, 331-342. 

A. Sagar, Venkata Nagarjuna Babu, Anand H. Shinde and Duddu S. Sharada. A metal-free cyclic iminium induced one-pot double annulation cascade: access to dihydroisoquinolinium (DHIQ) salts. Org. Biomol. Chem. 2016, 14, 10366-10370. 

Duddu S. Sharada, Anand H Shinde, Srilaxmi M. Patel, and Shinde Vidyacharan. Scaffold Diversity through a Branching Double Annulation Cascade Strategy: An Iminium Induced One-pot Synthesis of Diverse Fused Tetrahydroisoquinoline (THIQ) Scaffolds. J. Org. Chem. 2016, 81, 6463-6471. 

A. Sagar, Shinde Vidyacharan, Anand H. Shinde and Duddu S. Sharada. Hypervalent Iodine(III)-Mediated Dehydrogenative Nitrogenation of N-Aryl Vinylogous Carbamates to Quinoxalines in Cascade Fashion: Access to 1, 4, 5, 8-Tetraazaphenanthrene. Org. Biomol. Chem. 2016, 14, 4018-4022. 

Shinde Vidyacharan, Arumugavel Murugan, and Duddu S. Sharada. C(sp2)−H Functionalization of 2H−indazoles at C3-position via palladium(II)−catalyzed isocyanide insertion strategy leading to diverse heterocycles. J. Org. Chem. 2016, 81, 2837-2848. 

Anand H. Shinde, Shinde Vidyacharan and Duddu S. Sharada. BF3·OEt mediated metal-free one-pot sequential multiple annulation cascade (SMAC) synthesis of complex and diverse tetrahydroisoquinoline fused hybrid molecules. Org. Biomol. Chem. 2016, 14, 3207-3211. (Selected in synfacts for its important highlights, Issue 07/2016) 

Shinde Vidyacharan, A. Sagar, Duddu S. Sharada. A new route for the synthesis of highly substituted 4-aminoquinoline drug like molecules via aza hetero–Diels–Alder reaction.  Org. Biomol. Chem. 2015, 13, 7614-7618. 

A. Sagar, Venkata Nagarjuna Babu, Arnab Dey, Duddu S. Sharada. I2-promoted denitration strategy: one-pot three component synthesis of pyrrole-fused benzoxazine. Tetrahedron Lett. 2015, 56, 2710–2713. 

A. Sagar, Venkata Nagarjuna Babu, Arnab Dey, Duddu S. Sharada. Silica gel promoted environment-friendly synthesis of α-amino amidines and regioselective transformation of α-amino amidines into amidino substituted indazoles. RSC Adv. 2015, 5, 29066-29071. 

Shinde Vidyacharan, Chaitra C., A. Sagar, Duddu S. Sharada. A one-pot palladium catalysed ligand and metal oxidant-free oxidative isocyanide insertion leading to 2-amino-substituted-4(3H)-quinozolinones. Synth. Commun. 2014, 45, 898-907. 

Anand H. Shinde, Archith. N, Srilaxmi malipatel, Duddu S. Sharada. A facile one-pot protocol for the synthesis of tetrazolyl-tetrahydroisoquinolines via novel domino intramolecular cyclization/Ugi-azide sequence. Tetrahedron let. 2014, 55, 6821-6826. 

Anand H. Shinde, Srilaxmi malipatel, Bishnupada Satpathi, Duddu S. Sharada. A highly efficient synthesis of imidazo-fused polyheterocycles via Groebke-Blackburn-Bienaym reaction catalyzed by LaCl3.7H2O. Tetrahedron let. 2014, 55, 5915-5920. 

A. Sagar, Shinde Vidyacharan, Duddu S. Sharada. I2-promoted cross-dehydrogenative coupling of a carbonyl aldehydes with alcohols for the synthesis of a-ketoesters. RSC Adv. 2014, 4, 37047-37050. 

Shinde Vidyacharan, A. Sagar, Chaitra C., Duddu S. Sharada. A facile synthesis of 2H-indazoles under neat conditions and further transformation into aza-g-carboline alkaloid analogues in a tandam one-pot fashion.  RSC Adv. 2014, 65, 34232-34236. 

Anand H. Shinde, Shinde Vidyacharan, Duddu S. Sharada. Microwave-assisted facile synthesis of [a]-annelated pyrazolopyrroloindoles via intramolecular azomethine imine 1,3-dipolar cycloaddition. Tetrahedron let. 2014, 55, 3064-3069. 

Shinde Vidyacharan, Anand H. Shinde, Bishnupada Satpathi, Duddu S. Sharada. A Facile protocol for the Synthesis of 3-Aminoimidazo-Fused Heterocycles via Groebke-Blackburn-Bienayme Reaction Under Catalyst-Free and Solvent-Free Conditions. Green Chem. 2014, 16, 1168-1175. 

Manickam Bakthadoss, Govindan Sivakumar, Duddu S. Sharada, Highly Regio- and Stereoselective Synthesis of Tetracyclic Indolenoisoxazolidine via Intramolecular 1,3-Dipolar Nitrone Cycloadditions. Synthesis. 2013, 45, 237–245.

Manickam Bakthadoss, Nagappan Sivakumar, Anthonisamy Devaraj, Duddu S. Sharada, 1,3-Dipolar Cycloaddition on Baylis-Hillman Adducts: Novel Synthesis of  Pyrrolidines, Spiropyrrolidines and Spiropyrrolizidines. Synthesis. 2011, 13, 2136-2146.

Deevi Basavaiah, Duddu S. Sharada, Ainelly Veerendhar Organo-base mediated Cannizzaro reaction. Tetrahedron Lett. 2006, 47, 5771-5774.

I. Schmidt, J. Jiao, P. Thamyongkit, Duddu S. Sharada, D. F. Bocian, J. S. Lindsey,  Investigation of Stepwise Covalent Synthesis on a Surface Yielding Porphyrin-Based Multicomponent Architectures. J. Org. Chem. 2005, 71, 3033-3050.

K. Muthukumaran, H. Z. Syeda Huma, Y. Lianhe, P. Thamyongkit, M. E. Calder, Duddu S. Sharada, J. S. Lindsey, Synthesis of dipyrrin-containing architectures, J. Porphyrins Phthalocyanines, 9, 745-759., 2005.

Duddu S. Sharada, Ana Z. Muresan, Kannan. Muthukumaran, J. S. Lindsey, Direct synthesis of palladium porphyrins from acyldipyrromethanes. J. Org. Chem. 2005, 70, 3500-3510.

D. Basavaiah, Duddu S. Sharada , A. Veerendhar, A facile tandem construction of C-O and C-C bonds: a novel one-pot transformation of Baylis-Hillman adducts into 2-benzoxepines. Tetrahedron Lett, 2004, 45, 3081-3083.

D. Basavaiah, Duddu S. Sharada, N. Kumragurubaran, R. Mallikarjuna Reddy, The Baylis-Hillman Reaction: One-Pot Facile Synthesis of 2,4-Functionalized 1,4-Pentadienes. J. Org. Chem. 2002, 67 ,7135-7137.

D. Basavaiah, R. Mallikarjuna Reddy, N. Kumragurubaran, Duddu S. Sharada, Applications of Baylis-Hillman chemistry: one-pot convenient synthesis of functionlized (1H)-quinol-2-ones and quinolines. Tetrahedron. 2002, 58, 3693-369. 

D. Basavaiah, N. Kumragurubaran, Duddu S. Sharada, Baylis-Hillman chemistry: a novel synthesis of functionalized 1,4-pentadienes. Tetrahedron Lett. 2001, 42, 85-87.

D. Basavaiah, N. Kumragurubaran, Duddu S. Sharada, R. Mallikarjuna Reddy Applications of Baylis-Hillman chemistry: enantioselective synthesis of (-)-methyl3-aryl-2-methylene-3-(prop-2-yn-1-yloxy)propanoates via chiral leaving group strategy. Tetrahedron. 2001, 57, 8167-8172.