tert-butyl (5-(((benzyloxy)carbonyl)(prop-2-yn-1-yl)amino)pent-3-yn-1-yl)(2-cyanoethyl)carbamate 在
carbon monoxide,cobalt,cyclopenta-1,3-diene 作用下,
以
xylenes 为溶剂,
以71%的产率得到2-benzyl 8-(tert-butyl) 1,3,6,7,9,10-hexahydropyrrolo[3',4':4,5]pyrido[2,3-d]azepine-2,8-dicarboxylate