N-tert-butoxycarbonyl-ε-(3-benzyloxy-1,4-dihydro-2-methyl-4-oxo-1-pyridyl)-L-norleucyl-β-alanyl-ε-(3-benzyloxy-1,4-dihydro-2-methyl-4-oxo-1-pyridyl)-L-norleucyl-β-alanyl-ε-(3-benzyloxy-1,4-dihydro-2-methyl-4-oxo-1-pyridyl)-L-norleucyl-β-alanine... 在
palladium on activated charcoal
氢气 作用下,
以
甲醇 为溶剂,
20.0 ℃
、101.32 kPa
条件下,
反应 4.0h,
以72%的产率得到N-tert-butoxycarbonyl-ε-(3-hydroxy-1,4-dihydro-2-methyl-4-oxo-1-pyridyl)-L-norleucyl-β-alanyl-ε-(3-hydroxy-1,4-dihydro-2-methyl-4-oxo-1-pyridyl)-L-norleucyl-β-alanyl-ε-(3-hydroxy-1,4-dihydro-2-methyl-4-oxo-1-pyridyl)-L-norleucyl-β-alanine ethyl...