Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Chandan Kumar Shahi"'
Publikováno v:
Organic Letters. 22:7903-7908
A novel synthetic approach for the construction of 1,2,3,3a,4,5-hexahydroimidazo[1,2-a]quinolines in good yields (up to 75%) with excellent stereoselectivity (dr up to 94:6, ee up to >99%) under on...
Publikováno v:
Chemical Communications. 54:8583-8586
3-Spiropiperidino indolenines have been synthesized via novel Lewis acid-catalyzed SN2-type ring opening of activated aziridines with 1H-indoles followed by Pd-catalyzed dearomative spirocyclization with propargyl carbonates in up to 88% yields. The
Publikováno v:
European Journal of Organic Chemistry. 2017:3487-3495
Synthesis of substituted 2-arylquinoxalines via an unprecedented Cu(I) catalyzed ring-opening-cyclization followed by detosylation-aromatization of activated aziridines with 2-bromoanilines has been accomplished. The transformation efficiently accomm
Publikováno v:
ChemistrySelect. 2:550-556
A divergent and modular synthetic approach to a series of substituted imidazolidines, piperazines, 1,4-diazepanes, and 1,4-diazocanes via an SN2-type ring opening of activated aziridines with aryl amines and a subsequent base-mediated coupling with s
Publikováno v:
Chemical communications (Cambridge, England). 54(62)
3-Spiropiperidino indolenines have been synthesized via novel Lewis acid-catalyzed S
Publikováno v:
Organic letters. 20(10)
An expeditious synthetic route to access structurally diverse 1,4,5,6-tetrahydropyrimidines via domino ring-opening cyclization of activated aziridines with α-acidic isocyanides has been established. The transformation proceeds via Lewis acid mediat
Autor:
Aditya Bhattacharyya, Masthanvali Sayyad, Navya Chauhan, Chandan Kumar Shahi, Manas K. Ghorai, Imtiyaz Ahmad Wani, Abhijit Mal
Publikováno v:
Asian Journal of Organic Chemistry. 4:1103-1111
A synthetic route to 2,3,4,5-tetrahydrobenzodiazepines has been devised through an SN2-type ring-opening of N-activated aziridines with 2-bromobenzylamine followed by an intramolecular cyclization through Cu-powder-mediated C−N bond formation. This
Publikováno v:
Organic letters. 19(13)
Two efficient, modular, step- and pot-economic strategies to access various 5,6,7,12-tetrahydrobenzo[2,3]azepino[4,5-b]indoles and 6,7-dihydro-5H-benzo[5,6][1,4]diazepino[1,7-a]indoles are disclosed that advance via SN2-type regioselective ring openi
Autor:
Imtiyaz Ahmad Wani, Manas K. Ghorai, Navya Chauhan, Aditya Bhattacharyya, Chandan Kumar Shahi, Masthanvali Sayyad, Abhijit Mal
Publikováno v:
ChemInform. 47
A synthetic route to 2,3,4,5-tetrahydrobenzodiazepines has been devised through an SN2-type ring-opening of N-activated aziridines with 2-bromobenzylamine followed by an intramolecular cyclization through Cu-powder-mediated C−N bond formation. This