dimethyl ester of cis-sibiric acid 在
Lindlar's catalyst
氢气 作用下,
以
乙酸乙酯 为溶剂,
反应 12.0h,
以0.04 g的产率得到(R)-6-[(3S,3aS,5aS,6S,7R)-7-Isopropyl-6-(2-methoxycarbonyl-ethyl)-3,3a,6-trimethyl-2,3,3a,4,5,5a,6,7-octahydro-1H-cyclopenta[a]naphthalen-3-yl]-2-methyl-4-oxo-heptanoic acid methyl ester