3-Benzyloxycarbonylamino-4-oxo-5-phenylacetylaminooxy-pentanoic acid, 1,1 dimethylethyl ester 在
SiO2 、 Dichloromethane;formic acid;propan-2-one 作用下,
以
trifluoroacetic acid (TFA)CH2Cl2 、
乙腈 为溶剂,
反应 2.0h,
以afforded 3-benzyloxycarbonylamino-4-oxo-5-phenylacetylaminooxy-pentanoic acid (51 mg, 34%) as a white foam的产率得到3-Benzyloxycarbonyl-amino-4-oxo-5-phenylacetylaminooxy-pentanoic acid