Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Monoranjan Ghosh"'
Publikováno v:
Organic & Biomolecular Chemistry. 14:1432-1436
A regioselective copper-catalyzed ethoxycarbonyl-difluoromethylation of imidazo[1,2-a]pyridines has been developed through sp(2) C-H bond functionalization with BrCF2CO2Et under ambient air. A series of ethoxycarbonyldifluoromethylated imidazo[1,2-a]
Autor:
Monoranjan Ghosh, Alakananda Hajra
Publikováno v:
European Journal of Organic Chemistry. 2015:7836-7841
A DABCO-promoted intermolecular cyclization between enols and nitrostyrenes has been developed for the regioselective synthesis of angularly fused furan derivatives in high yields. This protocol is applicable to various enol derivatives, including 4-
Publikováno v:
Chemistry - An Asian Journal. 10:2525-2536
A versatile method for the diversified synthesis of furans and arenofurans has been developed that proceeds through K2CO3-promoted cyclization between enols/1,3-dicarbonyl compounds and nitroolefins at reflux in EtOH. This facile method has been succ
Publikováno v:
Tetrahedron Letters. 56:4101-4104
Palladium-catalyzed direct dehydrogenative annulation of imidazo[1,2-a]pyridines with diarylalkynes through dual cleavage of C–H bonds has been developed. This new strategy offers a straightforward route for the synthesis of π-conjugated polyaroma
Publikováno v:
The Journal of Organic Chemistry. 80:5364-5368
A copper-mediated intermolecular annulation of alkyl ketones and β-nitrostyrenes has been developed for the regioselective synthesis of multisubstituted furan derivatives in good yields. This protocol is applicable to both cyclic and acyclic ketones
Publikováno v:
Organic & Biomolecular Chemistry. 13:8717-8722
A simple and practical method has been developed for the regioselective nitrosylation of imidazopyridines via C(sp(2))-H bond functionalization using tert-butyl nitrite under mild reaction conditions in a short time. A library of 3-nitrosoimidazopyri
Publikováno v:
Tetrahedron Letters. 55:235-239
Benzoquinazolin-2-one derivatives were synthesized by using a catalytic amount of task specific ionic liquid, [1-methyl-3-(4-sulfobutyl)imidazolium-4-methylbenzenesulfonate] through a one-pot multicomponent Biginelli reaction of α-tetralone, aldehyd
Publikováno v:
European Journal of Organic Chemistry. 2014:1096-1102
An efficient and environmentally benign method has been developed for the synthesis of symmetrical and unsymmetrical aromatic azo compounds through phenyliodine(III) diacetate (PIDA) mediated oxidative dehydrogenative coupling of anilines in high yie
Publikováno v:
ChemInform. 47
A regioselective copper-catalyzed ethoxycarbonyl-difluoromethylation of imidazo[1,2-a]pyridines has been developed through sp2 C–H bond functionalization with BrCF2CO2Et under ambient air. A series of ethoxycarbonyldifluoromethylated imidazo[1,2-a]
Autor:
Alakananda Hajra, Monoranjan Ghosh
Publikováno v:
ChemInform. 47