Methanesulfonic acid 2-{(2S,4R,6R)-6-[(2E,4E,8E)-(1R,6R)-9-bromo-1-(tert-butyl-dimethyl-silanyloxy)-6-methoxy-3-methyl-nona-2,4,8-trienyl]-2,4-dimethoxy-tetrahydro-pyran-2-ylmethyl}-oxazol-4-ylmethyl ester 在
ammonium heptamolybdate 、
双氧水 、
sodium hexamethyldisilazane 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
反应 74.17h,
生成 2-(2-{(2S,4R,6R)-6-[(2E,4E,8E)-(1R,6R)-9-Bromo-1-(tert-butyl-dimethyl-silanyloxy)-6-methoxy-3-methyl-nona-2,4,8-trienyl]-2,4-dimethoxy-tetrahydro-pyran-2-ylmethyl}-oxazol-4-ylmethanesulfonyl)-benzothiazole