重氮甲烷 、 Acetic acid (2S,4aR,10bR)-2,9-diacetoxy-4a-hydroxy-8-isopropyl-4,4,10b-trimethyl-6-oxo-1,2,3,4,6,10b-hexahydro-4aH-benzo[c]chromen-10-yl ester 以
乙醚 为溶剂,
反应 2.0h,
生成
3,4-Diacetoxy-2-((1S,5R)-5-acetoxy-1,3,3-trimethyl-2-oxo-cyclohexyl)-5-isopropyl-benzoic acid methyl ester