2,5-bis(5-benzyloxycarbonyl-3-ethoxycarbonylmethyl-4-methylpyrrol-2-ylmethyl)-3,4-diethylpyrrole 在
钯 正庚烷 作用下,
以
四氢呋喃 为溶剂,
以to yield 0.56 g (98%) of 12 (m.p. 149° C. (dec.)), which的产率得到2,5-bis(5-carboxy-3-ethoxycarbonylmethyl-4-methylpyrrol-2-ylmethyl)-3,4-diethylpyrrole