N-[(1,1-dimethylethoxyl)carbonyl]-4-[1,4-dimethyl-6-(trifluoromethyl)-2-oxo-3-pyridinyl]-L-phenylalanine methyl ester 、
盐酸 在
甲醇 作用下,
以
1,4-二氧六环 为溶剂,
反应 2.0h,
以to obtain 221 mg (100% yield) of 4-[1,4-dimethyl-6-(trifluoromethyl)-2-oxo-3-pyridinyl]-L-phenylalanine methyl ester hydrochloride salt as an amorphous white solid的产率得到4-[1,4-dimethyl-6-(trifluoromethyl)-2-oxo-3-pyridinyl]-L-phenylalanine methyl ester hydrochloride salt