Cbz-D-Ala-Leu-N,O-dimethyl-Tyr-Ala-OH 、 (9S,12S)-4-Methoxy-10-methyl-12-methylamino-11-oxo-2-oxa-10-aza-tricyclo[12.2.2.1
3,7]nonadeca-1(17),3(19),4,6,14(18),15-hexaene-9-carboxylic acid benzyl ester 在
盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺 、
3-羟基-1,2,3-苯并三嗪-4(3H)-酮 作用下,
以
四氢呋喃 为溶剂,
反应 49.0h,
以13.8 mg的产率得到benzyl (9S,12S)-4-methoxy-12-[[(2S)-2-[[(2S)-3-(4-methoxyphenyl)-2-[methyl-[(2S)-4-methyl-2-[[(2R)-2-(phenylmethoxycarbonylamino)propanoyl]amino]pentanoyl]amino]propanoyl]amino]propanoyl]-methylamino]-10-methyl-11-oxo-2-oxa-10-azatricyclo[12.2.2.13,7]nonadeca-1(16),3,5,7(19),14,17-hexaene-9-carboxylate