(R)-3-[N-4-[1-(4-methoxyphenoxy)-5-phenylpent-4-yn-2-yloxy]but-2-ynyl-N-(2-phenoxyethyl)amino]propanenitrile 在
carbon monoxide,cobalt,cyclopenta-1,3-diene 作用下,
以
氯苯 为溶剂,
反应 0.25h,
以86%的产率得到(8R)-8-[(4-methoxyphenoxy)methyl]-2-(2-phenoxyethyl)-6-phenyl-1,3,4,7,8,10-hexahydropyrano[4,3-c][1,6]naphthyridine