5-[5-((E)-2-Cyano-2-methoxycarbonyl-vinyl)-3-ethyl-4-methyl-1H-pyrrol-2-ylmethyl]-4-ethyl-3-methyl-1H-pyrrole-2-carboxylic acid benzyl ester 在
palladium on activated charcoal
氢气 作用下,
以
四氢呋喃 为溶剂,
以95%的产率得到5-[5-((E)-2-Cyano-2-methoxycarbonyl-vinyl)-3-ethyl-4-methyl-1H-pyrrol-2-ylmethyl]-4-ethyl-3-methyl-1H-pyrrole-2-carboxylic acid