Reactions of Norbornen-7-one with Organolithium Reagents

Publisher Website
Google Scholar
Abstract
Alkyllithium reagents (RLi: R = methyl, n-butyl, t-butyl) add to norbornen-7-one either without stereochemical preference (R = n-butyl) or with syn attack favored. This addition selectivity is qualitatively the same as that shown by corresponding alkylmagnesium reagents but competition from reduction is much less important in the case of alkyllithium reagents.Phenyllithium and vinyllithium add preferentially from the anti face, although the corresponding Grignard reagents add selectively from the syn face. Possible causes of the stereoselectivities are considered. Solvent effects on the stereochemistry of addition are small.

This publication has 0 references indexed in Scilit: