1-{(6R)-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-(5S)-methyl-tetrahydro-pyran-(2S)-yl}-6-methyl-hept-3-en-2-one 在
dimethyl sulfide borane 、 (S)-Corey's chiral borane 作用下,
以
四氢呋喃 为溶剂,
反应 8.0h,
以80%的产率得到1-{(6S)-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-(5S)-methyl-tetrahydropyran-(2S)-yl}-6-methyl-hept-3-en-(2R)-ol