(3αS,4S,7αR)-2,2,4,7α-tetramethyl-6-(phenylsulfonyl)-3α,4,5,7α-tetrahydrobenzo[δ][1,3]dioxole 、
anti-N,N-dimethyl-1-acetylcyclopropanecarboxamine dimethylhydrazone 在
(6-氨基己基氨基)甲基-(二乙氧基甲基)硅 作用下,
以
四氢呋喃 为溶剂,
以89.5%的产率得到(1'RS,2'RS,3'SR,4'SR,6'RS)-N,N-dimethyl-1-<1-(2,2-dimethyl-1,1-diazanediyl)-2-(2',3'-dihydroxy-2',4'-dimethyl-6'-(phenylsulfonyl)cyclohexyl)ethyl>cyclopropanecarboxamide 2',3'-acetonide