(1S,4aR,5S,6R,8aR)-6-Isobutyryl-5-methoxycarbonylmethyl-1,4a-dimethyl-decahydro-naphthalene-1-carboxylic acid methyl ester 在
diborane(6) 作用下,
以
四氢呋喃 为溶剂,
反应 1.0h,
以40%的产率得到(1S,4aR,5S,6R,8aR)-6-((R)-1-Hydroxy-2-methyl-propyl)-5-methoxycarbonylmethyl-1,4a-dimethyl-decahydro-naphthalene-1-carboxylic acid methyl ester