(R)-4-((2S,3S)-2-Amino-3-methyl-pentanoylamino)-4-carbamoyl-butyric acid benzyl ester; compound with trifluoro-acetic acid 、 1-O-benzyl-4,6-O-benzylidene-N-acetyl-α-muramic acid N-hydroxy-5-norbornene-2,3-dicarboxamide ester 在
三乙胺 作用下,
以
乙腈 为溶剂,
生成
(R)-4-{(2S,3S)-2-[2-((4aR,6S,7R,8R,8aS)-7-Acetylamino-6-benzyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yloxy)-propionylamino]-3-methyl-pentanoylamino}-4-carbamoyl-butyric acid benzyl ester