N-tert-butoxycarbonyl-ε-(3-benzyloxy-1,4-dihydro-2-methyl-4-oxo-1-pyridyl)-L-norleucylglycyl-ε-(3-benzyloxy-1,4-dihydro-2-methyl-4-oxo-1-pyridyl)-L-norleucylglycyl-ε-(3-benzyloxy-1,4-dihydro-2-methyl-4-oxo-1-pyridyl)-L-norleucylglycine ethyl ester 在
palladium on activated charcoal
氢气 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
20.0 ℃
、101.33 kPa
条件下,
反应 6.0h,
生成 ε-(3-hydroxy-1,4-dihydro-2-methyl-4-oxo-1-pyridyl)-L-norleucylglycyl-ε-(3-hydroxy-1,4-dihydro-2-methyl-4-oxo-1-pyridyl)-L-norleucylglycyl-ε-(3-hydroxy-1,4-dihydro-2-methyl-4-oxo-1-pyridyl)-L-norleucylglycine ethyl ester TFA salt