2-(5-((tert-butoxycarbonyl)amino)-1,2,4-thiadiazol-3-yl)-2-oxoacetic acid 、 2-aminooxy-(3,4-diacetoxyphenyl)acetic acid diphenylmethyl ester 以
甲醇 为溶剂,
反应 3.0h,
以to obtain (Z)-2-(5-tert-butyloxycarbonylamino-1,2,4-thiadiazol-3-yl)-2-[[(diphenylmethyloxycarbonyl)(3,4-diacetoxyphenyl)methoxy]imino]acetic acid (3.84 g)的产率得到(Z)-2-(5-tert-butyloxycarbonylamino-1,2,4-thiadiazol-3-yl)-2-[[(diphenylmethyloxycarbonyl)(3,4-diacetoxyphenyl)methoxy]imino]acetic acid