DE, LOMBAERT, S.;LESUR, B.;GHOSEZ, L., TETRAHEDRON LETT., 1982, 23, N 41, 4251-4254
作者:DE, LOMBAERT, S.、LESUR, B.、GHOSEZ, L.
DOI:——
日期:——
TMAF-Catalyzed Conjugate Addition of Oxazolidinone and Thiols
作者:Vincent Dalla、Mickaël Ménand
DOI:10.1055/s-2004-836057
日期:——
TMAF (Me4NF) is a useful catalyst for the conjugate addition of oxazolidinone and thiols to a range of Michael acceptors including esters, ketones, nitroolefins and cinnamaldehyde.
Synthesis with a-Cyanoenamines. 2-Diethylamino 4-Lithio-4-phenylthio-2-butenonitrile as a B-Carboxyl vinyl anion equivalent.
作者:Stephane De Lombaert、Brigitte Lesur、Leon Ghosez
DOI:10.1016/s0040-4039(00)88717-1
日期:1982.1
The lithio derivative of 2-diethylamino-4-phenylthio-2-butenonitrile is a practical equivalent of the unknown B-carboxyl-vinyl anion,as shown by its facile alkylation with alkyl halides, aldehydes and a-enones,followed by hydrolysis oxidation and elimination.