rac-methyl (3aR,4S,5R,6S,7aR)-6-hydroxy-7a-methyl-5-(prop-1-en-2-yl)-3a-((tetrahydrofuran-2-yl)oxy)-3a,4,5,6,7,7a-hexahydrospiro[indene-1,2'-oxirane]-4-carboxylate 在
盐酸 作用下,
以
四氢呋喃 为溶剂,
反应 40.0h,
以46%的产率得到(1R,2S,3R,4S,7R,8S)-4-Hydroxy-7-hydroxymethyl-2-isopropenyl-8-methyl-10-oxa-tricyclo[5.2.1.04,8]dec-5-ene-3-carboxylic acid methyl ester