在
甲醇 、 lithium hydroxide 作用下,
反应 0.3h,
以87%的产率得到2-[(2R,3R)-3-[(2S,5S,11S,14S,17S,20S,23R,26S,29S,32S)-5-ethyl-1,7,10,16,20,23,25,28,31-nonamethyl-11,17,26,29-tetrakis(2-methylpropyl)-3,6,9,12,15,18,21,24,27,30,33-undecaoxo-14,32-di(propan-2-yl)-1,4,7,10,13,16,19,22,25,28,31-undecazacyclotritriacont-2-yl]-3-hydroxy-2-methylpropyl]-3H-benzimidazole-5-carboxylic acid