R. Tamura, Ken-ichiro Watabe, H. Katayama
1990
Citations
0
Influential Citations
21
Citations
Journal
Journal of Organic Chemistry
Abstract
(S)-2-((2-(Methoxymethyl)-1-pyrrolidinyl)-methyl)-2-cyclohexen-1-one (2) underwent asymmetric conjugate addition of R 2 CuLi in the presence of ZnBr 2 , followed by elimination of the chiral auxiliary pyrrolidine, to produce the optically active 3-substituted 2-exo-methylenecyclohexanones (3) in 90% ee