(6R,7R)-3-(5-Carboxymethyl-4-methyl-thiazol-2-ylsulfanylmethyl)-7-{(Z)-3-(dimethoxy-phosphoryl)-2-[2-(trityl-amino)-thiazol-4-yl]-acryloylamino}-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 4-methoxy-benzyl ester 在
三氟乙酸 作用下,
以
various solvent(s) 为溶剂,
以85%的产率得到(6R,7R)-7-[(Z)-2-(2-Amino-thiazol-4-yl)-3-(dimethoxy-phosphoryl)-acryloylamino]-3-(5-carboxymethyl-4-methyl-thiazol-2-ylsulfanylmethyl)-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid