benzyl (5aR,6S,8R,9S,10S,11aR,12R)-8-((2S,3S)-1,3-dihydroxybutan-2-yl)-12-hydroxy-5-methyl-5,5a,6,7,8,9,10,11-octahydro-6,10-epimino-9,11a-methanocycloocta[b]indole-13-carboxylate 在
lead(IV) acetate 作用下,
以
二氯甲烷 为溶剂,
反应 2.5h,
以88%的产率得到benzyl (1R,4S,4aS,6S,13S,13aS)-1-hydroxy-4-((S)-1-hydroxyethyl)-7-methyl-1,3,4,4a,5,6,7,12,13,13a-decahydro-6,13-epiminopyrano[3',4':5,6]cycloocta[1,2-b]indole-14-carboxylate