描述:
[(4R,7aS)-5-[(1R,2S,4S)-4-[tert-butyl(dimethyl)silyl]oxy-2-[[tert-butyl(dimethyl)silyl]oxymethyl]-1-methylcyclohexyl]-1-(dichloromethylidene)-7a-methyl-3,3a,4,5,6,7-hexahydro-2H-inden-4-yl]methyl methanesulfonate 在
sodium azide 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
以89%的产率得到[(1S,2R,5S)-2-[(4R,7aS)-4-(azidomethyl)-1-(dichloromethylidene)-7a-methyl-3,3a,4,5,6,7-hexahydro-2H-inden-5-yl]-5-[tert-butyl(dimethyl)silyl]oxy-2-methylcyclohexyl]methoxy-tert-butyl-dimethylsilane