(2S,6S,7S,9S,15R)-15-{(2S,5R,6R,8S)-8-[(S)-2-(Benzothiazol-2-ylsulfanyl)-1-methyl-ethyl]-5-benzyloxy-10-methyl-1,7-dioxa-spiro[5.5]undec-10-en-2-ylmethyl}-15-methyl-2,9-diphenyl-1,8,13,16-tetraoxa-dispiro[5.0.5.4]hexadecan-14-one 在
ammonium heptamolybdate 、
双氧水 作用下,
以
乙醇 为溶剂,
以78%的产率得到(2S,6S,7S,9S,15R)-15-{(2S,5R,6R,8S)-8-[(S)-2-(Benzothiazole-2-sulfonyl)-1-methyl-ethyl]-5-benzyloxy-10-methyl-1,7-dioxa-spiro[5.5]undec-10-en-2-ylmethyl}-15-methyl-2,9-diphenyl-1,8,13,16-tetraoxa-dispiro[5.0.5.4]hexadecan-14-one