(1S,7R,7aS)-5-Hydroxy-1-methoxycarbonylmethyl-1,5,7a-trimethyl-7-(2-trimethylsilanyl-ethoxymethoxy)-2,4,5,6,7,7a-hexahydro-1H-indene-4-carboxylic acid methyl ester 在
甲基磺酰氯 、
三乙胺 作用下,
以
二氯甲烷 为溶剂,
以61%的产率得到(1S,7R,7aS)-1-Methoxycarbonylmethyl-1,5,7a-trimethyl-7-(2-trimethylsilanyl-ethoxymethoxy)-2,6,7,7a-tetrahydro-1H-indene-4-carboxylic acid methyl ester