4-(4-吗啉)苯甲醛 、
kahalalide F 在
triacetoxy sodium borohydride 作用下,
以
甲醇 为溶剂,
反应 72.5h,
以69.7%的产率得到(2R)-N-[(2S)-1-[[(2R,3S)-1-[[(3S,6Z,9S,12R,15R,18R,19R)-9-benzyl-15-[(2S)-butan-2-yl]-6-ethylidene-19-methyl-2,5,8,11,14,17-hexaoxo-3,12-di(propan-2-yl)-1-oxa-4,7,10,13,16-pentazacyclononadec-18-yl]amino]-3-methyl-1-oxopentan-2-yl]amino]-5-[(4-morpholin-4-ylphenyl)methylamino]-1-oxopentan-2-yl]-1-[(2R)-2-[[(2S)-2-[[(2S,3R)-3-hydroxy-2-[[(2R)-3-methyl-2-(5-methylhexanoylamino)butanoyl]amino]butanoyl]amino]-3-methylbutanoyl]amino]-3-methylbutanoyl]pyrrolidine-2-carboxamide