(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