(E)-(2R,5S)-5-tert-Butoxycarbonylamino-2-methyl-hept-3-enoic acid 在
O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate 、
三乙胺 作用下,
以
乙腈 为溶剂,
生成 ((E)-(2R,5S)-5-Amino-2-methyl-hept-3-enoylamino)-acetic acid methyl ester; compound with trifluoro-acetic acid