盐酸甲胺 、 (1S,2R,19R,22R,34S,37R,40R,52S)-22-amino-48-[[(4-butylphenyl)methylamino]methyl]-5,15-dichloro-2,26,31,44,47,49,64-heptahydroxy-21,35,38,54,56,59-hexaoxo-7,13,28-trioxa-20,36,39,53,55,58-hexazaundecacyclo[38.14.2.23,6.214,17.219,34.18,12.123,27.129,33.141,45.010,37.046,51]hexahexaconta-3,5,8,10,12(64),14,16,23(61),24,26,29(60),30,32,41(57),42,44,46,48,50,62,65-henicosaene-52-carboxylic acid 在
benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate 、
三乙胺 作用下,
以
二甲基亚砜 为溶剂,
反应 3.0h,
生成
Ristomycin A aglycone, 41-((((4-butylphenyl)methyl)amino)methyl)-22, 31-dichloro-38-de(methoxycarbonyl)-7-demethyl-19-deoxy-38-((methylamino)carbonyl)-