(E)-(3R,6R)-3-(tert-Butyl-dimethyl-silanyloxy)-6-(3-methoxymethoxy-2-methyl-propane-1-sulfonyl)-2,4-dimethyl-hept-4-enoic acid methyl ester 在
1,8-二氮杂双环[5.4.0]十一碳-7-烯 作用下,
以
乙腈 为溶剂,
以830 mg的产率得到(2E,4E)-6-(3-Methoxymethoxy-2-methyl-propane-1-sulfonyl)-2,4-dimethyl-hepta-2,4-dienoic acid methyl ester