Publications

 International Journals:

1. Pankaj Lal Kalar, Kavita Jain, Swatantra Agrawal, Siddique Khan, Rampal Vishwakarma, Ayush Shivhare, Milind M Deshmukh, Kalpataru Das,* Green Synthesis of Electrophilic Alkenes Using a Magnesium Catalyst under Aqueous Conditions and Mechanistic Insights by Density Functional Theory. J. Org. Chem. 2023, 88, 16829-16844. DOI: https://doi.org/10.1021/acs.joc.3c01540, Impact Factor: 3.3 (2023). 

2. Pankaj L Kalar, Swatantra Agrawal, Sandhya Kushwaha, Shovanlal Gayen, Kalpataru Das,* Recent Developments on Synthesis of Organofluorine Compounds Using Green Approaches, Curr. Org. Chem., 2023, 27, 190-205. DOI: 10.2174/1385272827666230516100739. Impact Factor: 1.933. 

3. Dipayan Mondal, Sk Abdul Amin, Md Moinul, Kalpataru Das, Tarun Jha, Shovanlal Gayen, How the structural properties of the indole derivatives are important in kinase targeted drug design?: A case study on tyrosine kinase inhibitors. Bioorg. Med. Chem, 2022, 53, 116534. DOI: https://doi.org/10.1016/j.bmc.2021.116534, Impact Factor: 3.3.  

4. Dipayan Mondal, Pankaj L Kalar, Shivam Kori, Shovanlal Gayen*, Kalpataru Das*, Recent Developments on Synthesis of Indole Derivatives Through Green Approaches and Their Pharmaceutical Applications, Curr. Org. Chem., 2020, 24 (22), 2665-2693. DOI: https://doi.org/10.2174/1385272824999201111203812, Impact Factor: 1.933.  

5. Mithun Kumar Ghosh, Kavita Jain, Siddique Khan, Kalpataru Das*, Tanmay Kumar Ghorai*, "New Dual-Functional and Reusable Bimetallic Y2ZnO4 Nanocatalyst for Organic Transformation under Microwave/Green Condition"ACS Omega 2020, 5 (10), 4973-4981 .  DOI: https://doi.org/10.1021/acsomega.9b03875, Impact Factor: 2.584.

6. Ruchi Gaikwad, Yamini Bobde, Routholla Ganesh, Tarun Patel, Anju Rathore, Balaram Ghosh, Kalpataru Das*, Shovanlal Gayen*, "2-Phenylindole derivatives as anticancer agents: synthesis and screening against murine melanoma, human lung and breast cancer cell lines" Synth. Commun., 2019, 49 (17) , 2258-2269 .  DOI: https://doi.org/10.1080/00397911.2019.1620282, Impact Factor: 1.439.

7. Tarun Patel, Ruchi Gaikwad, Kavita Jain, Routholla Ganesh, Yamini Bobde, Balaram Ghosh, Kalpataru Das,* Shovanlal Gayen*, "First report on 3‐(3‐oxoaryl) indole derivatives as anticancer agents: microwave assisted synthesis, in vitro screening and molecular docking studies"  ChemistrySelect 2019, 4 (15), 4478-4482. DOI: https://doi.org/10.1002/slct.201900088. Impact Factor: 1.716.

8. Kavita Jain, Saikat Chaudhuri, Kuntal Pal, Kalpataru Das,* "The Knoevenagel condensation using quinine as an organocatalyst under solvent-free conditions." New J. Chem., 2019, 43 (3), 1299-1304, DOI: 10.1039/C8NJ04219E, Impact Factor: 3.201.

9. Kavita Jain and Kalpataru Das,* "A convenient method for the synthesis of fluorinated α-cyanoacetates via phase-transfer catalysis" Synth. Commun., 2018, 48 (15) , 1966-1973. DOI: 10.1080/00397911.2018.1473442, Impact Factor: 1.439.

10. Ruchi Gaikwad, Soumajit Ghorai, Sk Abdul Amin, Nilanjan Adhikari, Tarun Patel, Kalpataru Das, Tarun Jha, Shovanlal Gayen, "Monte Carlo based modelling approach for designing and predicting cytotoxicity of 2-phenylindole derivatives against breast cancer cell line MCF7" Toxicol. In Vitro, 2018, 52, 23-32. DOI: https://doi.org/10.1016/j.tiv.2018.05.016. Impact Factor: 2.959.

11. S Bhargava, N Adhikari, SA Amin, K Das, S Gayen, T Jha, "Hydroxyethylamine derivatives as HIV-1 protease inhibitors: A predictive QSAR modelling study based on Monte Carlo optimization" SAR QSAR ENVIRON RES, 2017, 28, (12) 973-990.  DOI: https://doi.org/10.1080/1062936X.2017.1388281, Impact Factor: 2.053. 

12. Atena Rastgoo-Lahrood, Natalia Martsinovich, Matthias Lischka Johanna Eichhorn, Pawel Szabelski, Damian Nieckarz, Thomas Strunskus, Kalpataru Das, Michael Schmittel, Wolfgang M. Heckl, Markus Lackinger, “From Au–Thiolate Chains to Thioether Sierpiński Triangles: The Versatile Surface Chemistry of 1,3,5-Tris(4-mercaptophenyl)benzene on Au(111)” ACS Nano, 2016, 10 (12), 10901-10911. DOI: 10.1021/acsnano.6b05470, Impact Factor: 13.334. 

13. Manas K. Ghorai, Subhomoy Das, Kalpataru Das, Amit Kumar, “Stereoselective synthesis of activated 2-arylazetidines via imino-aldol reaction” Org. Biomol. Chem. 2015, 13 (34), 9042-9049. DOI: 10.1039/c3cp50752a, Impact Factor: 3.559, Citation: 04.

14. Thomas Sirtl, Jelena Jelic, Jörg Meyer, Kalpataru Das, Wolfgang M. Heckl, Wolfgang Moritz, John Rundgren,  Michael Schmittel, Karsten Reuter and  Markus Lackinger, “Adsorption structure determination of a large polyaromatic trithiolate on Cu(111): combination of LEED-I(V) and DFT-vdW. Phys. Chem. Chem. Phys., 2013, 15 (26), 11054-11060. DOI: 10.1039/C3CP50752A, Impact Factor: 3.829, Citation: 07.

15. Debabrata Samanta, Mehmet Emin Cinar, Kalpataru Das, Michael Schmittel, “Nonstatistical Dynamic Effects in the Thermal C2–C6 Diels–Alder Cyclization of Enyne–Allenes”, J. Org. Chem. 2013, 78 (4), 1451-1462. DOI: 10.1021/jo302524a, Impact Factor: 4.785, Citatation: 09.

16. Kalpataru Das, Rhozo Shibuya, Yasuhito Nakahara, Nicolas Germain, Takashi Ohshima, Kazushi Mashima, “Pt-Catalyzed direct amination of allylic alcohols with aqueous ammonia: Selective synthsesis of primary allylamines”, Angew. Chem. Int. Edn. 2012, 51 (1), 150-154. DOI: 10.1002/anie.201106737, Impact Factor: 13.734, Citation: 37

17. Hermann Walch, Jürgen Dienstmaier, Georg Eder, Rico Gutzler, Stefan Schlögl, Thomas Sirtl, Kalpataru Das, Michael Schmittel, Markus Lackinger. “Extended two-dimensional metal-organic frameworks based on thiolate-copper coordination bonds”, J. Am. Chem. Soc. 2011, 133 (20), 7909-7915. DOI: 10.1021/ja200661s, Impact Factor: 11.444, Citation: 46.

18. Manas K. Ghorai, Dipti Shukla, Kalpataru Das, “Enantioselective syntheses of morpholines and their homologues via an SN2-type ring opening of aziridines and azetidines with haloalcohols” J. Org. Chem. 2009, 74 (18), 7013-7022. DOI: 10.1021/jo901297d, Impact Factor: 4.785, Citation: 68. (Highlighted in Synfacts 2009 , 1253)

19. Manas K. Ghorai, Kalpataru Das, Amit Kumar, “An efficient synthetic route to substituted tetrahydropyrimidines by Cu(OTf)2-mediated nucleophilic ring-opening followed by the [4+2] cycloaddition of N-tosylazetidines with nitriles”, Tetrahedron Lett. 2009, 50 (10), 1105-1109. DOI: 10.1016/j.tetlet.2008.12.035, Impact Factor: 2.397, Citation: 16.

20. Manas K. Ghorai, Amit Kumar, Kalpataru Das, “Lewis acid mediated unprecedented ring-opening rearrangement of 2-aryl-N-tosylazetidines to enantiopure (E)-allylamines”, Org. Lett. 2007, 9 (26), 5441-5444. DOI: 10.1021/ol7023218, Impact Factor: 6.324, Citation: 35.

21.  Manas K. Ghorai, Kalpataru Das, Dipti Shukla, “Lewis acid mediated highly regioselective SN2-type ring-opening of 2-aryl-N-tosylazetidines and aziridines by alcohols”, J. Org. Chem. 2007, 72 (15), 5859-5862. DOI: 10.1021/jo0703294, Impact Factor: 4.785, Citation: 48. (Highlighted in Organic Chemistry Portal) 

22. Manas K. Ghorai, Kalpataru Das, Amit Kumar, “Lewis acid mediated SN2-type nucleophilic ring-opening followed by [4+2] cycloaddition of N-tosylazetidines with aldehydes and ketones: synthesis of chiral 1,3-oxazinanes and 1,3-amino alcohols”, Tetrahedron Lett. 2007, 48 (25), 4373-4377. DOI:10.1016/j.tetlet.2007.04.097, Impact Factor: 2.397, Citation: 27.

23. Manas K. Ghorai, Kalpataru Das, Amit Kumar, “A convenient synthetic route to enantiopure N-tosylazetidines from α-amino acids”, Tetrahedron Lett. 2007, 48 (14), 2471-2475. DOI:10.1016/j.tetlet.2007.02.033, Impact Factor: 2.397, Citation: 44. (Highlighted in Synfacts 2007, 585.) 

24.  Manas K. Ghorai, Koena Ghosh, Kalpataru Das, “Copper(II) triflate promoted cycloaddition of α-alkyl or aryl substituted N-tosylaziridines with nitriles: a highly efficient synthesis of substituted imidazolins”, Tetrahedron Lett. 2006, 47 (30), 5399-5403. DOI:10.1016/j.tetlet.2006.05.059, Impact Factor: 2.397, Citation: 46.

25. Manas K. Ghorai, Kalpataru Das, Amit Kumar, Animesh Das, “A convenient synthetic route to 2-aryl-N-tosylazetidines and their ZnX2 (X = I, OTf) mediated regioselective nucleophilic ring-opening reactions: synthesis of γ-iodoamines and tetrahydropyrimidines”, Tetrahedron Lett. 2006, 47 (30), 5393-5397. DOI:10.1016/j.tetlet.2006.05.058, Impact Factor: 2.397, Citation: 38.

26. Manas K. Ghorai, Kalpataru Das, Amit Kumar, Koena Ghosh, “An efficient route to regioselective opening of N-tosylaziridines with zinc(II) halides”, Tetrahedron Lett. 2005, 46 (23), 4103-4106. DOI:10.1016/j.tetlet.2005.04.006, Impact Factor: 2.397, Citation: 58.

National Journals

27.  Manas K. Ghorai, Deo Prakash Tiwari, Amit Kumar, Kalpataru Das, “SN2-Type ring opening of substituted-N-tosylaziridine with zinc (II) halides: Control of racemization by quaternary ammonium salt” J. Chem. Sci. 2011, 123 (6), 951-961. Impact Factor: 1.298. Citation: 3.

Book Chapters

1. Kavita Jain, Kalpataru Das*, "Recent Advances in the Developments of Enantioselective Electrophilic Fluorination Reactions via Organocatalysis" Fundamentals and Prospects of Catalysis. 2020, 1, 123-147. 

Participation in conferences, poster/oral presentation:

1. Delivered invited lecture on "Green and Catalytic Approach for the Synthesis of Fine Chemicals and Their Applications" in the International Conference, ICFAC 2020 during 28-29 Feb. 2020 organized by Department of Chemistry, School of Physical Sciences, Mahatma Gandhi Central University,  Motihari-845401 (East Champaran). 

2. Attended in workshop on “Intellectual Property Rights (IPR)”, Organized by Departments of Pharmaceutical Sciences, Dr. HarisinghGour Vishwavidyalaya, Sagar., (M.P.) on 10.02.2020.

3. Attended in workshop NAAC awareness Programme on "Quality Assessment and Accreditation under Revised Accreditation Framework (RAF)" Organized by Dr. HarisinghGour Vishwavidyalaya, Sagar. (M.P.) on 4th February 2019.

4. Presented poster on “Green and Catalytic Approach for the Synthesis of Electrophilic Alkenes and Their Applications”in the National Seminar on Organic Chemistry Symposium (OCS-2019) during 13-14 September, 2019, co-organized by  IIT Kanpur and IISER Bhopal, at Hyatt Regency, Lucknow, UP. 

5. Delivered invited lecture on "Organocatalytic Green Approach for the Synthesis of Electrophilic Alkenes and Their Applications" in the RSC sponsored symposium on ‘Recent Advances in Organic and Bioorganic Chemistry (RAOBC)’ during 22-24 March, 2019 in the Department of Chemical Sciences, IISER Mohali.

6. Delivered lecture on “Electrophilic Fluorination for the Synthesis of Organofluorine Compounds via Phase-Transfer Catalysis” in the National Seminar on Recent Developments in Chemical Sciences (RDCS-2018) during 23-24 February, 2018 organized by the Department of Chemistry, Indira Gandhi National Tribal University, Amarkantak, M.P.

7. Presented poster on “Electrophilic Fluorination of Substituted Ethyl Cyanoacetates under Phase-Transfer Catalysis” in the National Seminar on Recent Developments in Chemical Sciences (RDCS-2018) during 23-24 February, 2018 organized by the Department of Chemistry, Indira Gandhi National Tribal University, Amarkantak, M.P.

8. Delivered invited lecture on “Asymmetric Electrophilic Fluorination of Active Methylene Compounds using Cinchona Alkaloid based Chiral Phase Transfer Catalysts” in the international conference on Frontiers in Chemical Sciences (ICFCS-2017) during 16-18 March, 2017 organized by the Centre for Applied Chemistry, Central University of Jharkhand, Brambe, Ranchi.

9. Presented poster on “Catalytic Electrophilic Fluorination of α-Cyano Ester via Phase Transfer Catalysis” in the international conference on Frontiers in Chemical Sciences (ICFCS-2017) during 16-18 March, 2017 organized by the Centre for Applied Chemistry, Central University of Jharkhand, Brambe, Ranchi.

10. Presented poster on “Cinchona Alkaloid Based Organocatalyst for Enantioselective Electrophilic Fluorination Reactions” in the international conference on Interface of Physical, Chemical, and Biological Sciences (IPCBS-2017) during 11-13 January, 2017 organized by Dr. Harisingh Gour Vishwavidyalaya, Sagar

11. Presented poster on “Direct Amination of Allylic Alcohols Catalyzed by Platinum Complexes” in the “18th CRSI National Symposium in Chemistry” held from 5-7th February, 2016 organized by Institute of Nano Science and Technology and Punjab University.

12. Presented poster on “Catalytic Enantioselective Electrophilic Fluorination Reactions” in the Science Fair and National Science Day Celebration - 2016” during 26th February – 4th March, organized by Dr. Harisingh Gour Vishwavidyalaya, Sagar.

13. Presented poster on “Asymmetric Electrophilic Fluorination Reactions via Organocatalysis” in the National Symposium on “Horizons of Light in Molecules, Material and Daily Life” during 18-19 December, 2015 organized by Department of Chemistry, Dr. Harisingh Gour Vishwavidyalaya, Sagar.

14. Participated as delegate in the SERB-DST, ICMR and MPCST sponsored National Seminar on “Emerging Frontiers and Challenges in Nanotechnology and Drug Design” (EFCNDD-2015) held on March 01, 2015 and organized by Department of Pharmaceutical Sciences, Dr. H. S. Gour University, Sagar, (M.P.). 

15. Participated in workshop on “Nuclear Magnetic Resonance Spectroscopy”, Organized jointly by Departments of Chemistry and Physics, Dr. H. S. Gour University, Sagar, (M.P.) on 16.02.2014.

16. Delivered invited lecture on “Pt-Catalyzed direct amination of allylic alcohols with aqueous ammonia for selective synthsesis of primary allylamines.” in the UGC-Sponsored National Seminar on Current Trends in Chemistry, Celebration of International Year of Chemistry, Organized by Department of Chemistry, Deshabandhu Mahavidyalaya, University of Burdwan, India, 25-26 November, 2011, 

17. Participated in International Symposium on Bio-Environmental Chemistry sponsored by Osaka University Global COE program, Osaka University, Japan, October 22-23, 2010.

18. Participated in International Symposium on Bio-Environmental Chemistry sponsored by Osaka University Global COE program, Osaka University, Japan, December 19-20, 2009.

19. Participated in 50th Anniversary of the Working Party on Kinetics and Reaction Mechanisms Organized by GDCh. and DECHEMA, DECHEMA-Haus, Frankfurt am Main, Germany, January 12, 2009.

20. Participated in An Indo-German Symposium, “Frontiers of Chemistry” at IIT Kanpur, India, October 26-28, 2007.

21. Delivered oral presentation on “Lewis acid mediated reactions of small ring N-heterocycles” in the Second National Organic Symposium for Research Scholar (NOST-2006) at ICG-Jaipur, Rajasthan, India, October 11-14, 2006.

22. Presented poster on “Lewis acid mediated new reactions of small ring N-heterocycles” in Chemfest, An In-House Symposium of IIT Kanpur, Kanpur, India, March, 2006. 

23. Participated in the 3rd Singapore-India Collaborative and Cooperative Chemistry Symposium at IIT Kanpur, India, December 16-17, 2004.

24. Participated in the Sixth National Symposium in Chemistry Organized by CRSI India at IIT Kanpur, India, February 6-8, 2004.

Patents   

1. ShovanlalGayen, Umesh K. Patil, Kalpataru Das, Balaram Ghosh, Tarun Patel, Ruchi Gaikwad. 3-(3-oxoaryl) indole derivatives as anticancer agents and a process of synthesis thereof. Filed: 2020-04-01, Application No. TEMP/E-1/15474/2020-MUM, Indian Patent.  

2. ShovanlalGayen, Umesh K. Patil, Kalpataru Das, Balaram Ghosh, Dipayan Mondal., 3-(1H-indol-3-yl)-1,3diphenyl propan-1-one derivatives as anticancer agents and a process of synthesis thereof. Filed: 2020-04-01, Application No. TEMP/E-1/15487/2020-MUM, Indian Patent.

Total No. of Publications: 25, Total Citation: 821, h-index = 15, i10-index = 18 (Citation record from Google Scholar). 

https://scholar.google.co.in/citations?user=SLqmCS0AAAAJ&hl=en 

http://dhsgsu.irins.org/profile/126215     

ORCiD ID: http://orcid.org/0000-0003-4592-8796 

Scopus Author ID: 8348814800: https://www.scopus.com/authid/detail.uri?authorId=8348814800

Web of Science ResearcherID: A-9634-2011