Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Raghunath Chowdhury"'
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 20, Iss 1, Pp 1518-1526 (2024)
The enantioselective 1,4-addition reaction of pyrazolin-5-ones to α,β-unsaturated ketones catalyzed by a cinchona alkaloid-derived primary amine–Brønsted acid composite is reported. Both enantiomers of the anticipated pyrazole derivatives were o
Externí odkaz:
https://doaj.org/article/b3f9a574b9b34e43883eb633ad9c2863
Autor:
Akhil K. Dubey, Raghunath Chowdhury
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 17, Iss 1, Pp 2642-2649 (2021)
An enantioselective 1,4-conjugate addition of nitromethane to β-silyl α,β-unsaturated carbonyl compounds catalyzed by bifunctional squaramide catalysts has been developed. This methodology offers both enantiomers of β-silyl nitroalkanes in good t
Externí odkaz:
https://doaj.org/article/4df93488ee564fb4975d8c6664bc3734
Autor:
Raghunath Chowdhury
Publikováno v:
Organic & Biomolecular Chemistry. 20:5387-5392
The ground-state reactivity of eosin-Y in the presence of a catalytic amount of Cu(OAc)2 was explored for aerobic oxidative coupling reactions of glycine esters with β-keto acids, indoles, naphthols, and pyrrole in the dark.
Publikováno v:
Asian Journal of Organic Chemistry. 10:1173-1183
Autor:
Raghunath, Chowdhury
Publikováno v:
Organicbiomolecular chemistry. 20(27)
Catalytic aerobic oxidative coupling reactions of glycine esters with β-keto acids, indoles, naphthols, and pyrrole have been realized at ambient temperature
Publikováno v:
European Journal of Organic Chemistry. 2022
Publikováno v:
European Journal of Organic Chemistry. 2020:2962-2972
Autor:
Raghunath Chowdhury, Akhil K. Dubey
Publikováno v:
Beilstein Journal of Organic Chemistry
Beilstein Journal of Organic Chemistry, Vol 17, Iss 1, Pp 2642-2649 (2021)
Beilstein Journal of Organic Chemistry, Vol 17, Iss 1, Pp 2642-2649 (2021)
An enantioselective 1,4-conjugate addition of nitromethane to β-silyl α,β-unsaturated carbonyl compounds catalyzed by bifunctional squaramide catalysts has been developed. This methodology offers both enantiomers of β-silyl nitroalkanes in good t
Publikováno v:
The Journal of Organic Chemistry. 84:2404-2414
An efficient catalytic asymmetric 1,3-dipolar cycloaddition of N-benzylidineiminoglycinate-derived azomethine ylides to β-silylmethylene malonates catalyzed by a Ag(I)-Fesulphos complex has been developed, affording fully substituted 3-silylproline
Publikováno v:
Synthetic Communications. 49:444-455
A three-component highly regio- and diastereoselective 1,3-dipolar cycloaddition reaction between isatin, a series of primary amino acids (10 nos), and exocyclic α,β-unsaturated ketones was develop...