(2R,3S)-3-(tert-Butyl-dimethyl-silanyloxy)-7-(4-methoxy-benzyloxy)-2-methyl-heptanoic acid (2R,3R,5S)-5-[(2R,3R,4R)-3-(tert-butyl-dimethyl-silanyloxy)-2-methoxy-4-methyl-tetrahydro-pyran-2-yl]-2-vinyl-tetrahydro-furan-3-yl ester 在
2,3-二氯-5,6-二氰基-1,4-苯醌 作用下,
以
二氯甲烷 、
水 为溶剂,
反应 0.83h,
以82%的产率得到(2R,3S)-3-(tert-Butyl-dimethyl-silanyloxy)-7-hydroxy-2-methyl-heptanoic acid (2R,3R,5S)-5-[(2R,3R,4R)-3-(tert-butyl-dimethyl-silanyloxy)-2-methoxy-4-methyl-tetrahydro-pyran-2-yl]-2-vinyl-tetrahydro-furan-3-yl ester