9-((E)-3-Methyl-4-{(2S,3S,4R,5S)-5-[(2S,3S)-3-((1R,2S)-1-methyl-2-trimethylsilanyloxy-propyl)-oxiranylmethyl]-3,4-bis-trimethylsilanyloxy-tetrahydro-pyran-2-yl}-but-2-enoyloxy)-nonanoic acid methyl ester 在
盐酸 、
diisobutylaluminum hydride 作用下,
生成
(E)-4-<(2S,3S,4R,5S)-5-<(2S,3S,4S,5S)-2,3-epoxy-5-hydroxy-4-methylhexyl>-3,4-dihydroxytetrahydropyran-2-yl>-3-methylbut-2-en-1-ol