4-[4,10-bis-(tert-butyl-dimethyl-silanyloxy)-12-(4-methoxy-benzyloxy)-3,5,7,9,11,13-hexamethyl-heptadeca-1,6,14,16-tetraenyl]-6-[2-(tert-butyl-dimethyl-silanyloxy)-6-(4-methoxy-benzyloxy)-1,3-dimethyl-hex-4-enyl]-2,2-dimethyl-[1,3]dioxane 在
2,3-二氯-5,6-二氰基-1,4-苯醌 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
以70%的产率得到(3Z,5S,6S,7R,8R,9S,11Z,13S,14S,15S,16Z)-8,14-bis[[tert-butyl(dimethyl)silyl]oxy]-17-[(4S,6S)-6-[(Z,2S,3R,4S)-3-[tert-butyl(dimethyl)silyl]oxy-7-hydroxy-4-methylhept-5-en-2-yl]-2,2-dimethyl-1,3-dioxan-4-yl]-5,7,9,11,13,15-hexamethylheptadeca-1,3,11,16-tetraen-6-ol