Synthesis of (3aR,8S,8bS,2′R)-(+)-sorgolactone and its stereoisomers, the germination stimulant from sorghum bicolor
作者:Kenji Mori、Junichi Matsui
DOI:10.1016/s0040-4039(97)10078-8
日期:1997.11
Methyl (S)-citronellate (2) was converted to (3aR,8S,8bS,2′R)-(+)-sorgolactone (1a) by employing the radical cyclization of 6 to 7 as the key-step. Three other stereoisomers (1b, 1c and 1d) of sorgolactone were also prepared. The CD spectrum of 1a was in accord with that reported for the natural product.