(R)-2-[2-amino-2-(3-methyl-1,2,4-oxadiazol-5-yl)-ethylsulfanylmethyl]-3-(tert-butyl-dimethylsilanyloxy)-5-methoxy-6-methylbenzoic acid methyl ester 在
氟化铵 作用下,
以
甲醇 为溶剂,
生成 (R)-2-[2-acetimidoylamino-2-(3-methyl-1,2,4-oxadiazol-5-yl)-ethylsulfanylmethyl]-3-hydroxy-5-methoxy-6-methyl-benzoic acid methyl ester acetate