rac-methyl (4aR,4bR,5R,8R,8aR,9aS)-2,2,10,10-tetramethyloctahydro-4H-4b,8-ethanoindeno[2,1-d][1,3]dioxine-5-carboxylate 在
盐酸 作用下,
以
四氢呋喃 为溶剂,
以70%的产率得到(2S,3R,3aR,4R,7R,7aR)-2-Hydroxy-3-hydroxymethyl-8,8-dimethyl-octahydro-3a,7-ethano-indene-4-carboxylic acid methyl ester