Diastereoselective β-elimination. Synthesis of chiral alkoxy-allenes
作者:A. Alexakis、P. Mangeney、J.F. Normant
DOI:10.1016/s0040-4039(00)98990-1
日期:1985.1
Chiral-alkoxy-allenes are obtazned by reaction by chiral acetyleric acetals with Grignard reagents in the presence of catalytic amount of copper salt. The crucial step is a highlydiastereoselective β-elimination reaction of the transient alkenyl organometallic species.