Výsledky vyhledávání - "Sadhanendu Samanta"

Organophotoredox-Catalyzed Direct C–H Amination of 2H-Indazoles with Amines

Autor: Koushik Majhi, Sukanya Neogi, Asim Kumar Ghosh, Sadhanendu Samanta, Golam Kibriya, Alakananda Hajra

Publikováno v: Organic Letters. 22:5605-5609

A general and practical method for the direct C–H amination of 2H-indazoles with a series of amines including aliphatic primary amines, secondary amines, azoles, and sulfoximines via organophotored...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::39d704358c51b599d51c8466bd044017
https://doi.org/10.1021/acs.orglett.0c01973

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Fe(iii)-Catalyzed synthesis of steroidal imidazoheterocycles as potent antiproliferative agents

Autor: Yulia A. Volkova, Anastasia A Ilina, Alakananda Hajra, Asim Kumar Ghosh, Sumit Ghosh, Igor V. Zavarzin, Valerii Z. Shirinian, Sadhanendu Samanta, D.I. Salnikova, Alexander M. Scherbakov, Anton B Sachenko, Yaraslau U. Dzichenka

Publikováno v: Organic & Biomolecular Chemistry. 18:5571-5576

An efficient and practical method has been developed for the synthesis of steroidal imidazoheterocycles via cost-effective and environmentally benign FeCl3-catalyzed oxidative amination. A library of steroidal imidazo[1,2-a]pyridines was directly syn

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d80903c4b212eb6aa7290a8ab184e99
https://doi.org/10.1039/d0ob01241f

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Rhodium-Catalyzed Directed C–H Amidation of Imidazoheterocycles with Dioxazolones

Autor: Susmita Mondal, Debashis Ghosh, Sadhanendu Samanta, Alakananda Hajra

Publikováno v: Organic Letters. 21:4905-4909

A Rh(III)-catalyzed directed ortho-amidation of 2-arylimidazoheterocycles using dioxazolone as an amidating reagent has been developed. This protocol is a simple, straightforward, and economic was to afford a variety of N-(2-(imidazo[1,2- a]pyridin-2

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f01e6684e1ac0513622c4ecf0bb70880
https://doi.org/10.1021/acs.orglett.9b01832

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Ru(II)-Catalyzed Switchable C-H Alkylation and Spirocyclization of 2-Arylquinoxalines with Maleimides via ortho-C-H Activation

Autor: Sadhanendu Samanta, Suvam Bhattacharjee, Sudip Laru, Alakananda Hajra, Mukta Singsardar

Publikováno v: The Journal of organic chemistry. 86(3)

A Ru(II)-catalyzed facile and controllable protocol for C-H alkylation and spirocyclization of 2-arylquinoxalines with maleimides has been achieved under ambient air in high yields. Sequential ortho-C-H activation and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::17c4efba7152d97d78293fa99b94a7ef
https://pubmed.ncbi.nlm.nih.gov/33444022

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Regioselective hydroarylation and arylation of maleimides with indazoles via a Rh(iii)-catalyzed C-H activation

Autor: Asim Kumar Ghosh, Sadhanendu Samanta, Alakananda Hajra, Payel Ghosh, Sukanya Neogi

Publikováno v: Organicbiomolecular chemistry. 18(16)

Switchable Rh(III)-catalyzed highly regioselective hydroarylation and oxidative arylation of maleimides with 2-arylindazoles via C–H activation have been demonstrated. The reaction affords 3-(2-(2H-indazol-2-yl)phenyl)succinimide and 3-(2-(2H-indaz

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f255498468cc5e99a7346fa7812c090
https://pubmed.ncbi.nlm.nih.gov/32242885

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