(2S)-2-[[(2S)-2-[[(2S)-2-[(3S,4R)-3-hydroxy-4-[[(2S,3R)-3-[(2S)-3-(4-methoxyphenyl)-2-(methylamino)propanoyl]oxy-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoyl]amino]-5-methylhexanoyl]oxy-3-methylbutanoyl]amino]-4-methylpentanoyl]amino]propanoic acid 在
N-甲基吗啉 、
盐酸 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
1,4-二氧六环 、
乙腈 为溶剂,
反应 4.0h,
生成 (2S,5S,8S,11S,14R,15S,18R,19S)-15-amino-19-hydroxy-11-[(4-methoxyphenyl)methyl]-8,10,14-trimethyl-5-(2-methylpropyl)-2,18-di(propan-2-yl)-1,13-dioxa-4,7,10,17-tetrazacyclohenicosane-3,6,9,12,16,21-hexone;hydrochloride