(E)-4,4,4-trifluoro-2-[2-[(2-methylpropan-2-yl)oxycarbonylamino]-1,3-thiazol-4-yl]but-2-enoic acid 在
N,N'-二环己基碳二亚胺 、
三氟乙酸 作用下,
生成 (6R,7R)-7-[(E)-2-(2-Amino-thiazol-4-yl)-4,4,4-trifluoro-but-2-enoylamino]-3-(1-methyl-1H-tetrazol-5-ylsulfanylmethyl)-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid; compound with trifluoro-acetic acid