Dr. Sandipan Halder

Brief Bio

Brief Bio
Dr. Sandipan Halder completed his B.Sc. and M.Sc. from the University of Calcutta. He obtained his Ph.D. in Organic Chemistry from IIT Kanpur in the year 2012, under the supervision of Prof. Manas K. Ghorai. Dr. Halder pursued his first postroctoral research work with Prof. Hoz Shmaryahu at Bar Ilhan University, Israel. He subsequently moved to The Ohio State University, USA as a Fulbright Nehru postodoctoral fellow in 2013, in the research group of Prof. T.V. RajanBabu. After returning to India, Dr. Halder initlally joined NIT Jamshedpur, and subsequently moved to VNIT Nagpur as faculty in the Department of Chemistry in 2016.

Dr. Sandipan Halder completed his B.Sc. and M.Sc. from the University of Calcutta. He obtained his Ph.D. in Organic Chemistry from IIT Kanpur in the year 2012, under the supervision of Prof. Manas K. Ghorai. Dr. Halder pursued his first postroctoral research work with Prof. Hoz Shmaryahu at Bar Ilhan University, Israel. He subsequently moved to The Ohio State University, USA as a Fulbright Nehru postodoctoral fellow in 2013, in the research group of Prof. T.V. RajanBabu. After returning to India, Dr. Halder initlally joined NIT Jamshedpur, and subsequently moved to VNIT Nagpur as faculty in the Department of Chemistry in 2016.

Education

Sr. No.	Degree	Year	Specialization	University
1	B.Sc. with Chemistry hons	2003	Chemistry (Honors)	University of Calcutta
2	M.Sc.	2005	Organic Chemistry	University of Calcutta
3	Ph.D.	2012	Synthetic Organic Chemistry	Indian Institute of Technology (IIT) Kanpur, INDIA
4	Postdoctoral Research	2013-14	Physical Organic Chemistry	Bar Ilan University, Ramat Gan, Israel
5	Postdoctoral Research	2014-15	Asymmetric Catalysis	The Ohio State University, Columbus, Ohio, USA

Contact Details

Phone:	Email:	Address:
Phone: +91-712-280-1883/1887 (land line); +91-9609965466 (mobile)	E-mail: sandipanhalder@chm.vnit.ac.in, sandipan.iitk@gmail.com	Department of Chemistry, VNIT Nagpur, South Ambazari Road, Nagpur, Maharashtra, 440010, India

Research Interest

Research Interest
Organic synthesis, Catalysis, Hydrogen Bond Donor (HBD) Catlysis, Medicinal Chemistry

Sr. No.	Title	Funding Agency	Role	Year	Amount (in Lakhs INR)
1	Development of Sustainable Catalyst System for the Installation of CO2 as a C-1 Feed Stock: Synthesis of Value Added Compounds	SERB	PI	2017-2020	45.32
2	Development of Tunable Chemosensors for Metal Ions Based on the Castagnoli-Cushman Multicomponent Chemistry	DST under Indo-Russiam Collaborative Scheme	PI	2018-2021	27.27
3	Development of Functionalized Nano-fibrous Products in Applications for the Protection from Environmental Hazards	TEQIP III			2.8
4	Development of Novel Antiviral Compounds against Arthropod-borne Viruses	DST under Indo-Philippines Collaborative Scheme	PI	2023-2025	26.52

S.No.	Paper Citation
35	Amino Acid Derived Hydrogen Bond Donor (HBD) Catalyst for the Synthesis of Cyclic Carbonates and Cyclic Dithiocarbonates: Experimental and Computational Studies Supratim Halder, Koushik Das, Saumik Sen, and Sandipan Halder*Asian J. Org. Chem. 2025, 0, e00244. (DOI: 0.1002/ajoc.202500244)
34	Poly-Phosphamide Catalyzed Visible-Light-Driven CH4 and Dark-Phase-Mediated Cyclic Carbonate Productions Utilizing CO2 Nidhi Kumari, Koushik Das, Monika Chaudhary, Sandipan Halder,and Biswarup Chakraborty Small, 2025, 2412256. (DOI: 10.1002/smll.202412256)
33	Hydrogen Bond Donor-Catalyzed One-Pot Transformations of 2,2-Disubstituted Epoxides: Synthesis of Functionalized Nitrile-Rich Derivatives Sibasish Manna, Koushik Das, Sandipan Halder*, J. Org. Chem. 2025, 90, 167-182. (DOI: 10.1021/acs.joc.4c02111)
32	Development of Silica-Immobilized Material as Heterogeneous Hydrogen Bond Donor (HBD) Catalyst: Synthesis of Cyclic Carbonates from CO2 and Epoxides, Shilpa Roy, Koushik Das, Sougata Santra, Grigory V. Zyryanov, Dr. Sandipan Halder*, ChemistrySelect, 2024, 9, e202303940.
31	Development of colorimetric probe for the selective detection of HgII Koushik Das, Mrityunjay Pandey, Shampa Chakraborty, Saumik Sen, Sandipan Halder*, Aust. J. Chem. 2023, 76, 581-589. DOI: 10.1071/CH23058.
30	Structural and Synthetic Aspects of Small Ring Oxa- & Aza-Heterocyclic Ring Systems As Antiviral Activities Sibasish Manna, Koushik Das, Sougata Santra, Emily V. Nosova, Grigory V. Zyryanov, Sandipan Halder, Viruses, 2023, 15, 1826. DOI: 10.3390/v15091826.
29	Development of Suitable Hydrogen Bond Donor (HBD) Catalysts for the Synthesis of Cyclic Carbonates and Dithiocarbonates from Epoxide, Shilpa Roy, Koushik Das, Sandipan Halder* Catalysis Letters, 2023, DOI: 10.1007/s10562-023-04422-y.
28	Development of Functional Material as Catalysts for the Stereoselective Domino Reaction Protocol Sandipan Halder, National Conference on Emergent Materials for Energy and Environment (EMEE-2023), 2023, 46.
27	Synthesis of Functionalized Five Membered Heterocycles from Epoxide: A Hydrogen-Bond Donor (HBD) Catalytic Approach Koushik Das, Sandipan Halder*, J. Org. Chem. 2023, 88, 12872-12883. (DOI: 10.1021/acs.joc.2c00902).
26	Development of Organocatalytic Domino Protocol: Stereoselective Synthesis of Heterocycles Koushik Das, Sandipan Halder, International Conference on Recent Trends and Future Opportunities in Pharamaceuticals (NIPER Pharmacon), 2022, 44.
25	Ring-Opening Reactions of Epoxides With Titanium(III) Reagents, RajanBabu, T. V.; Nugent, W. A.; Halder, S., Organic Reactions 2022, 111, 1-416, (DOI: 10.1002/0471264180.or111.01).
24	Diastereoselective Synthesis of THF Derivatives. Koushik Das, Sandipan Halder* Synfacts 2022, 18, 1297. (DOI: 10.1055/s-0042-1753131).
23	Domino imino-aldol-aza-Michael and imino-aldol-aza-Michaelimino-aldol reactions: Diastereoselective synthesis of highly functionalized 2,6-disubstituted piperidines. Subhomoy Das, Gaurav Goswami, Sandipan Halder, Manas K. Ghorai Tetrahedron 2021, 93, 132285. (DOI: 10.1016/j.tet.2021.132285).
22	One Step Synthesis of New Cocrystals of Chloropterin and 5‑Deazapterin‑6‑carboxylic Acid Perchlorate Salts Shampa Chakraborty, Shyamaprosad Goswami, Annada C. Maity, Ching Kheng Quah, Sandipan Halder J Chem. Crystallogr. 2020, 50, 164. (DOI: 10.1007/s10870-019-00805-5).
21	Process for the Synthesis of 1,1,2-Tricarbonitrile Derivatives, Sandipan Halder, Koushik Das and Sibasish Manna Indian Patent Office Journal, 2020, 2020/12, 14765.
20	A Process for the Synthesis of Highly Functionalized 2,5-Disubstituted Tetrahydrofuran Derivatives, Indian Patent Office Journal, 2019, 2019/41, 47338.
19	Modular Assembly of Tunable Fluorescent Chemosensors Selective for Pb2+and Cu2+ Metal Ions via the Multicomponent Castagnoli-Cushman Reaction Olga Bakulina, Artem Rashevskii, Dmitry Dar’in, Sandipan Halder, Prerna Khagar, Mikhail Krasavin, Chemistry Select 2019, 4, 6066.
18	Synthesis of Functionalized Tetrahydrofuran (THF) Derivatives from Epoxide through Hydrogen Bond Donor (HBD) Catalyzed Protocol Koushik Das, Sandipan Halder*25th CRSI National Symposium in Chemistry, 2019, P65.
17	Domino Reactions as a Potential Tool for the Synthesis of Biologically Prevalent Ring Systems Sandipan Halder* Medicinal Chemistry Conference Russia, 2019, 105.
6	Installation of Carbon-dioxide in Organic Small Molecules: Application of Hydrogen Bond Donor Catalysis Shilpa Roy, Sandipan Halder* International Conference on Multifunctional Advanced Materials, 2018, 38.
15	Domino Michael−Michael and Aldol−Aldol Reactions: Diastereoselective Synthesis of Functionalized Cyclohexanone Derivatives Containing Quaternary Carbon Center, Manas K. Ghorai, Sandipan Halder and Subhomoy Das. ChemInform 2016, 47 (09), 93. DOI: 10.1002/chin.201609093.
14	Domino Michael−Michael and Aldol−Aldol Reactions: Diastereoselective Synthesis of Functionalized Cyclohexanone Derivatives Containing Quaternary Carbon Center Manas K. Ghorai, Sandipan Halder and Subhomoy Das J. Org. Chem. 2015, 80, 9700-9712. DOI: 10.1021/acs.joc.5b01768
13	Racemization-Free Synthesis of Morpholinone Derivatives from α-Amino Acids Sauvik Samanta, Abhijit Mal, Sandipan Halder, and Manas K. Ghorai Synthesis, 2015, 47, 3776-3782. DOI: 10.1055/s-0035-1560088.
12	A Highly Selective Ratiometric Chemosensor for Ni2+ in a Quinoxaline MatrixShyamaprosad Goswami, Shampa Chakraborty, Monoj Kumar Adak, Sandipan Halder, Ching Kheng Quah, Hoong-Kun Fun, Bholanath Pakhira and Sabyasachi Sarkar New J. Chem. 2014, 38, 6230-6235. DOI: 10.1039/C4NJ01498G
11	Hydroxylated HMPA Enhances Both Reduction Potential and Proton Donation in SmI2 Reactions Sandipan Halder and Shmaryahu Hoz J. Org. Chem. 2014, 79, 2682-2687. DOI: 10.1021/jo500161s.
10	A New Pyrene Based Highly Sensitive Fluorescence Probe for Copper(II) and Fluoride with Living Cell Application Shyamaprosad Goswami, Shampa Chakraborty, Sima Paul, Sandipan Halder, Sukanya Panja and Subhra Kanti Mukhopadhyay Org. Biomol. Chem. 2014, 12, 3037-3044. (Highlighted as inside front cover page) DOI: 10.1039/C4OB00067F.
9	Regioselective Addition of 1,3-Dicarbonyl Dianions to Carbonyl Compounds: One Pot Lactonization and Ketalization of δ-Hydroxyl-β-Keto Esters to Protected Pyrone Derivatives Manas K. Ghorai, Sandipan Halder, and Sauvik Samanta ChemInform 2013, 44 (11), 138. DOI: 10.1002/chin.201311138.
8	A Simple Quinoxaline-Based Highly Sensitive Colorimetric and Ratiometric Sensor, Selective for Nickel and Effective in Very High Dilution Shyamaprosad Goswami, Shampa Chakraborty, Sima Paul, Sandipan Halder, Annada C. Maity Tetrahedron Lett. 2013, 54, 5075-5077. DOI: 10.1016/j.tetlet.2013.07.051
7	Memory of Chirality (MOC) Concept in Imino-Aldol Reaction: Enantioselective Synthesis of α,β-Diamino Esters and Aziridines Manas K. Ghorai, Koena Ghosh, A. K. Yadav, Y. Nanaji, Sandipan Halder, and Masthanvali Sayyad J. Org. Chem. 2013, 78, 2311-2326. DOI: 10.1021/jo302018a
6	A Highly Selective and Sensitive Probe for Colorimetric and Fluorogenic Detection of Cd2+ in Aqueous Media Shyamaprosad Goswami, Krishnendu Aich, Sangita Das, Avijit Kumar Das, Abhishek Manna and Sandipan Halder Analyst 2013, 138, 1903-1907. DOI: 10.1039/C3AN36884J.
5	A Simple Quinoxaline-Based Highly Sensitive Colorimetric and Ratiometric Sensor, Selective for Nickel and Effective in Very High Dilution Shyamaprosad Goswami, Shampa Chakraborty, Sima Paul, Sandipan Halder, Annada C. Maity Tetrahedron Lett. 2013, 54, 5075-5077. DOI: 10.1016/j.tetlet.2013.07.051.
4	Regioselective Addition of 1,3-Dicarbonyl Dianions to Carbonyl Compounds: One Pot Lactonization and Ketalization of δ-Hydroxyl-β-Keto Esters to Protected Pyrone Derivatives Manas K. Ghorai, Sandipan Halder, and Sauvik Samanta Aust. J. Chem. 2012, 65, 1262-1270. DOI: 10.1071/CH12062.
3	Domino Imino-Aldol-Aza-Michael Reaction: One-Pot Diastereo- and Enantioselective Synthesis of Piperidines Manas K. Ghorai, Sandipan Halder, and Raj Kumar Das ChemInform 2011, 42 (8), 149. DOI: 10.1002/chin.201108149.
2	Domino Imino-Aldol-Aza-Michael Reaction: One-Pot Diastereo- and Enantioselective Synthesis of Piperidines Manas K. Ghorai, Sandipan Halder, and Raj Kumar Das J. Org. Chem. 2010, 75, 7061-7072. (Published as Featured Article) DOI: 10.1021/jo101680f.
1	Regioselective Addition of 1,3-Dicarbonyl Dianion to N-sulfonyl Aldimines: an Expedient Route to N-sulfonyl Piperidines and N-sulfonyl Azetidines Manas K. Ghorai, Amit Kumar and Sandipan Halder Tetrahedron 2007, 63, 4779-4787. DOI: 10.1016/j.tet.2007.03.081

Description	Author(s)	Publisher	ISBN	Year
Carbo-Amination and Alkylative Cyclization with C-N Bond Formation in Stereoselective Syntheses” Manas K. Ghorai, Sandipan Halder and Sauvik Samanta, (Chapter 40) page no. 1211-1250. In the book “Stereoselective Synthesis of Drugs & Natural Products” Edited by Vasyl Andrushko and Natalia Andrushko. ISBN: 978-1-1180-3217-6. (Published in John Wiley in 2013).
Ring-Opening Reactions of Epoxides With Titanium(III) Reagents, RajanBabu, T. V.; Nugent, W. A.; Halder, S., Organic Reactions 2022, 111, 1-416,

Sr. No.	Patent Title	Application No.	Date	Present Staus
1	“Metal-Free Synthesis of Racemic and Non-Racemic Furo-[3,2-C]- Quinolines” Indian Patent Office Journal, 2025, 202521027673 A, 2025/34, 80471. Sandipan Halder and Koushik Das (Published)	202521027673 A	22/08/2025	Published
2	“A Process for the Synthesis of Highly Functionalized 2,5-Disubstituted Tetrahydrofuran Derivatives” Indian Pat. Appl. (2019) 201921036987 A Sandipan Halder and Koushik Das. (GRANTED)	201921036987 A		Granted
3	“Process for the Synthesis of 1,1,2-Tricarbonitrile Derivatives” Indian Pat. Appl. (2020) IN 202021010769 A, Sandipan Halder, Koushik Das and Sibasish Manna. (GRANTED)	202021010769 A		Granted
4	“Process for the synthesis of highly functionalized racemic and non-racemic piperidines” Indian Pat. Appl. (2012), IN 2010DE02403 A 20120413. Manas K. Ghorai, Sandipan Halder.			Granted

Sr. No.	Title

Sr. No.	Responsibility	Institute	Year
1	Stock Verification Officer	VNIT Nagpur	2017, 2019
2	Faculty Mentor	VNIT Nagpur	2017-18, 2018-19, 2018-19, 2019-20, 2022-23
3	Professor In-Charge for Fresher’s Night	VNIT Nagpur	2022

Sr. No.	Awards
12	2017: Early Career Research Award from DST-SERB, Govt. of India.
11	2014-2015: Indo-US Fulbright-Nehru post-doctoral research fellowship.
10	2013-2014: Post-doctoral research fellowship from the department of Chemistry Bar-Ilan University, Israel.
9	2011: Travel grant for attending international conference at Glasgow, Scotland from Department of Science and Technology (DST), India.
8	2011: Travel grant for attending international conference at Dubai, UAE from CSIR, Govt. of India.
7	2011: Best Poster Award in home symposium “ChemFest 2011” at IIT Kanpur, India.
6	2011: Best Poster Award in international conference “Chemical Technologies in Drug Discovery” at Hyderabad, India.
5	2012: Best Poster Award in international conference “Chemistry and Chemical Biology of Natural Products” at IICT Hyderabad, India.
4	2008-2011: Senior Research Fellowship.
3	2006-2008: Junior Research Fellowship.
2	2006: Qualified National Eligibility Test (NET) for Lectureship of Indian Universities and awarded Junior Research Fellowship (JRF) conducted by joint CSIR- UGC, India.
1	2003: Somnath Banarjee Memorial Award for securing 1st Class in B.Sc. at Ramakrishna Mission Vidyamandira, BelurMath, Howrah, India.

Sr. No.	Title	Funding Agency	Role	Year	Amount (in Lakhs INR)

S.No.	Paper Citation
35	Amino Acid Derived Hydrogen Bond Donor (HBD) Catalyst for the Synthesis of Cyclic Carbonates and Cyclic Dithiocarbonates: Experimental and Computational Studies Supratim Halder, Koushik Das, Saumik Sen, and Sandipan Halder*Asian J. Org. Chem. 2025, 0, e00244. (DOI: 0.1002/ajoc.202500244)
34	Poly-Phosphamide Catalyzed Visible-Light-Driven CH4 and Dark-Phase-Mediated Cyclic Carbonate Productions Utilizing CO2 Nidhi Kumari, Koushik Das, Monika Chaudhary, Sandipan Halder,and Biswarup Chakraborty Small, 2025, 2412256. (DOI: 10.1002/smll.202412256)
33	Hydrogen Bond Donor-Catalyzed One-Pot Transformations of 2,2-Disubstituted Epoxides: Synthesis of Functionalized Nitrile-Rich Derivatives Sibasish Manna, Koushik Das, Sandipan Halder*, J. Org. Chem. 2025, 90, 167-182. (DOI: 10.1021/acs.joc.4c02111)
32	Development of Silica-Immobilized Material as Heterogeneous Hydrogen Bond Donor (HBD) Catalyst: Synthesis of Cyclic Carbonates from CO2 and Epoxides, Shilpa Roy, Koushik Das, Sougata Santra, Grigory V. Zyryanov, Dr. Sandipan Halder*, ChemistrySelect, 2024, 9, e202303940.
31	Development of colorimetric probe for the selective detection of HgII Koushik Das, Mrityunjay Pandey, Shampa Chakraborty, Saumik Sen, Sandipan Halder*, Aust. J. Chem. 2023, 76, 581-589. DOI: 10.1071/CH23058.
30	Structural and Synthetic Aspects of Small Ring Oxa- & Aza-Heterocyclic Ring Systems As Antiviral Activities Sibasish Manna, Koushik Das, Sougata Santra, Emily V. Nosova, Grigory V. Zyryanov, Sandipan Halder, Viruses, 2023, 15, 1826. DOI: 10.3390/v15091826.
29	Development of Suitable Hydrogen Bond Donor (HBD) Catalysts for the Synthesis of Cyclic Carbonates and Dithiocarbonates from Epoxide, Shilpa Roy, Koushik Das, Sandipan Halder* Catalysis Letters, 2023, DOI: 10.1007/s10562-023-04422-y.
28	Development of Functional Material as Catalysts for the Stereoselective Domino Reaction Protocol Sandipan Halder, National Conference on Emergent Materials for Energy and Environment (EMEE-2023), 2023, 46.
27	Synthesis of Functionalized Five Membered Heterocycles from Epoxide: A Hydrogen-Bond Donor (HBD) Catalytic Approach Koushik Das, Sandipan Halder*, J. Org. Chem. 2023, 88, 12872-12883. (DOI: 10.1021/acs.joc.2c00902).
26	Development of Organocatalytic Domino Protocol: Stereoselective Synthesis of Heterocycles Koushik Das, Sandipan Halder, International Conference on Recent Trends and Future Opportunities in Pharamaceuticals (NIPER Pharmacon), 2022, 44.
25	Ring-Opening Reactions of Epoxides With Titanium(III) Reagents, RajanBabu, T. V.; Nugent, W. A.; Halder, S., Organic Reactions 2022, 111, 1-416, (DOI: 10.1002/0471264180.or111.01).
24	Diastereoselective Synthesis of THF Derivatives. Koushik Das, Sandipan Halder* Synfacts 2022, 18, 1297. (DOI: 10.1055/s-0042-1753131).
23	Domino imino-aldol-aza-Michael and imino-aldol-aza-Michaelimino-aldol reactions: Diastereoselective synthesis of highly functionalized 2,6-disubstituted piperidines. Subhomoy Das, Gaurav Goswami, Sandipan Halder, Manas K. Ghorai Tetrahedron 2021, 93, 132285. (DOI: 10.1016/j.tet.2021.132285).
22	One Step Synthesis of New Cocrystals of Chloropterin and 5‑Deazapterin‑6‑carboxylic Acid Perchlorate Salts Shampa Chakraborty, Shyamaprosad Goswami, Annada C. Maity, Ching Kheng Quah, Sandipan Halder J Chem. Crystallogr. 2020, 50, 164. (DOI: 10.1007/s10870-019-00805-5).
21	Process for the Synthesis of 1,1,2-Tricarbonitrile Derivatives, Sandipan Halder, Koushik Das and Sibasish Manna Indian Patent Office Journal, 2020, 2020/12, 14765.
20	A Process for the Synthesis of Highly Functionalized 2,5-Disubstituted Tetrahydrofuran Derivatives, Indian Patent Office Journal, 2019, 2019/41, 47338.
19	Modular Assembly of Tunable Fluorescent Chemosensors Selective for Pb2+and Cu2+ Metal Ions via the Multicomponent Castagnoli-Cushman Reaction Olga Bakulina, Artem Rashevskii, Dmitry Dar’in, Sandipan Halder, Prerna Khagar, Mikhail Krasavin, Chemistry Select 2019, 4, 6066.
18	Synthesis of Functionalized Tetrahydrofuran (THF) Derivatives from Epoxide through Hydrogen Bond Donor (HBD) Catalyzed Protocol Koushik Das, Sandipan Halder*25th CRSI National Symposium in Chemistry, 2019, P65.
17	Domino Reactions as a Potential Tool for the Synthesis of Biologically Prevalent Ring Systems Sandipan Halder* Medicinal Chemistry Conference Russia, 2019, 105.
6	Installation of Carbon-dioxide in Organic Small Molecules: Application of Hydrogen Bond Donor Catalysis Shilpa Roy, Sandipan Halder* International Conference on Multifunctional Advanced Materials, 2018, 38.
15	Domino Michael−Michael and Aldol−Aldol Reactions: Diastereoselective Synthesis of Functionalized Cyclohexanone Derivatives Containing Quaternary Carbon Center, Manas K. Ghorai, Sandipan Halder and Subhomoy Das. ChemInform 2016, 47 (09), 93. DOI: 10.1002/chin.201609093.
14	Domino Michael−Michael and Aldol−Aldol Reactions: Diastereoselective Synthesis of Functionalized Cyclohexanone Derivatives Containing Quaternary Carbon Center Manas K. Ghorai, Sandipan Halder and Subhomoy Das J. Org. Chem. 2015, 80, 9700-9712. DOI: 10.1021/acs.joc.5b01768
13	Racemization-Free Synthesis of Morpholinone Derivatives from α-Amino Acids Sauvik Samanta, Abhijit Mal, Sandipan Halder, and Manas K. Ghorai Synthesis, 2015, 47, 3776-3782. DOI: 10.1055/s-0035-1560088.
12	A Highly Selective Ratiometric Chemosensor for Ni2+ in a Quinoxaline MatrixShyamaprosad Goswami, Shampa Chakraborty, Monoj Kumar Adak, Sandipan Halder, Ching Kheng Quah, Hoong-Kun Fun, Bholanath Pakhira and Sabyasachi Sarkar New J. Chem. 2014, 38, 6230-6235. DOI: 10.1039/C4NJ01498G
11	Hydroxylated HMPA Enhances Both Reduction Potential and Proton Donation in SmI2 Reactions Sandipan Halder and Shmaryahu Hoz J. Org. Chem. 2014, 79, 2682-2687. DOI: 10.1021/jo500161s.
10	A New Pyrene Based Highly Sensitive Fluorescence Probe for Copper(II) and Fluoride with Living Cell Application Shyamaprosad Goswami, Shampa Chakraborty, Sima Paul, Sandipan Halder, Sukanya Panja and Subhra Kanti Mukhopadhyay Org. Biomol. Chem. 2014, 12, 3037-3044. (Highlighted as inside front cover page) DOI: 10.1039/C4OB00067F.
9	Regioselective Addition of 1,3-Dicarbonyl Dianions to Carbonyl Compounds: One Pot Lactonization and Ketalization of δ-Hydroxyl-β-Keto Esters to Protected Pyrone Derivatives Manas K. Ghorai, Sandipan Halder, and Sauvik Samanta ChemInform 2013, 44 (11), 138. DOI: 10.1002/chin.201311138.
8	A Simple Quinoxaline-Based Highly Sensitive Colorimetric and Ratiometric Sensor, Selective for Nickel and Effective in Very High Dilution Shyamaprosad Goswami, Shampa Chakraborty, Sima Paul, Sandipan Halder, Annada C. Maity Tetrahedron Lett. 2013, 54, 5075-5077. DOI: 10.1016/j.tetlet.2013.07.051
7	Memory of Chirality (MOC) Concept in Imino-Aldol Reaction: Enantioselective Synthesis of α,β-Diamino Esters and Aziridines Manas K. Ghorai, Koena Ghosh, A. K. Yadav, Y. Nanaji, Sandipan Halder, and Masthanvali Sayyad J. Org. Chem. 2013, 78, 2311-2326. DOI: 10.1021/jo302018a
6	A Highly Selective and Sensitive Probe for Colorimetric and Fluorogenic Detection of Cd2+ in Aqueous Media Shyamaprosad Goswami, Krishnendu Aich, Sangita Das, Avijit Kumar Das, Abhishek Manna and Sandipan Halder Analyst 2013, 138, 1903-1907. DOI: 10.1039/C3AN36884J.
5	A Simple Quinoxaline-Based Highly Sensitive Colorimetric and Ratiometric Sensor, Selective for Nickel and Effective in Very High Dilution Shyamaprosad Goswami, Shampa Chakraborty, Sima Paul, Sandipan Halder, Annada C. Maity Tetrahedron Lett. 2013, 54, 5075-5077. DOI: 10.1016/j.tetlet.2013.07.051.
4	Regioselective Addition of 1,3-Dicarbonyl Dianions to Carbonyl Compounds: One Pot Lactonization and Ketalization of δ-Hydroxyl-β-Keto Esters to Protected Pyrone Derivatives Manas K. Ghorai, Sandipan Halder, and Sauvik Samanta Aust. J. Chem. 2012, 65, 1262-1270. DOI: 10.1071/CH12062.
3	Domino Imino-Aldol-Aza-Michael Reaction: One-Pot Diastereo- and Enantioselective Synthesis of Piperidines Manas K. Ghorai, Sandipan Halder, and Raj Kumar Das ChemInform 2011, 42 (8), 149. DOI: 10.1002/chin.201108149.
2	Domino Imino-Aldol-Aza-Michael Reaction: One-Pot Diastereo- and Enantioselective Synthesis of Piperidines Manas K. Ghorai, Sandipan Halder, and Raj Kumar Das J. Org. Chem. 2010, 75, 7061-7072. (Published as Featured Article) DOI: 10.1021/jo101680f.
1	Regioselective Addition of 1,3-Dicarbonyl Dianion to N-sulfonyl Aldimines: an Expedient Route to N-sulfonyl Piperidines and N-sulfonyl Azetidines Manas K. Ghorai, Amit Kumar and Sandipan Halder Tetrahedron 2007, 63, 4779-4787. DOI: 10.1016/j.tet.2007.03.081