3-Methyl-5-((1R,2S,4aR,8aS)-1,2,4a,5-tetramethyl-1,2,3,4,4a,7,8,8a-octahydro-naphthalen-1-yl)-pentanoic acid methyl ester 在
N-溴代丁二酰亚胺(NBS) 作用下,
以
氯仿 为溶剂,
生成
3-Methyl-5-((1R,2S,4aR,8aS)-1,2,4a,5-tetramethyl-1,2,3,4,4a,8a-hexahydro-naphthalen-1-yl)-pentanoic acid methyl ester