(1R,3R,1''R,3''S)-acetic acid 1-[4'-(1''-benzyl-4''-hydroxy-3''-methylbutylcarbamoyl)thiazol-2'-yl]-3-benzyloxycarbonylamino-4-methylpentyl ester 在
sodium hypochlorite 2,2,6,6-tetramethyl-piperidine-N-oxyl 、 phosphate buffer 作用下,
以
乙腈 为溶剂,
反应 14.0h,
以23%的产率得到(2S,4R,1''R,3''S)-4-{[2'-(1''-acetoxy-3''-benzyloxycarbonylamino-4''-methylpentyl)thiazole-4'-carbonyl]amino}-2-methyl-5-phenylpentanoic acid