An Unusual Enantioselective Aldol-Type Reaction of an Acetate Boryl Enolate Derived from a Chiral Thioimide
作者:Tu-Hsin Yan、An-Wei Hung、Hui-Chun Lee、Chii-Shin Chang
DOI:10.1021/jo00105a040
日期:1994.12
The camphor-derived N-acetyloxazolidinethione has been used to effect enantioselective aldol type reactions of the derived 9-BBN enolate with a variety of aldehydes. Mechanistically, the observed facial selectivity is best explained by a boatlike transition structure.