反应详情

The reaction was carried out in analogy to reaction step 20.3 of Example 20 by reacting 3-((R)-1-benzyl-5-oxopyrrolidine-2-carboxamido)-2-hydroxy-4-phenylbutanoic acid with O-ethylhydroxylamine hydrochloride using HATU (1.2 equivalents) as coupling reagent and DIPEA (6.8 equivalents) as base. ESI-MS [M+H]+=440.2

1. customThe reaction was carried out in analogy to reaction step 20.3 of Example 20