Facile Synthesis of Aliphatic Esters, Malonates and Phenylsulfonyl Esters Using Copper-Catalyzed Addition of Methallyl Grignard Reagent to Activated Cyclopropanes
作者:Igor Prowotorow、Jerzy Wicha、Koichi Mikami
DOI:10.1055/s-2001-9751
日期:——
Copper-mediated conjugate addition of allylic Grignard reagents to activated cyclopropane derivatives was studied. Unsaturated esters, malonates and phenylsulfonyl esters 2a-d were synthesized from the respective cyclopropanes 1a-d and methallylmagnesium chloride.
OPTICALLY ACTIVE BISOXAZOLINE COMPOUND, ASYMMETRIC CATALYST, AND METHOD FOR PRODUCING OPTICALLY ACTIVE CYCLOPROPANE COMPOUND USING SAID CATALYST
申请人:Sumitomo Chemical Company, Limited
公开号:EP2781522A1
公开(公告)日:2014-09-24
An optically active bisoxazoline compound represented by formula (1):
wherein R1, R2 and R3 each independently represent an alkyl group having 1 to 8 carbon atoms, a phenyl group or a benzyl group, n represents an integer of 0 to 3 and * represents an asymmetric center.