2-bromo-1-(4-bromophenyl)ethylidenemalononitrile 、
2-thioxo-2,5,6,7-tetrahydro-1H-cyclopenta[b]pyridine-3-carbonitrile 在
哌啶 作用下,
以
乙醇 为溶剂,
以84%的产率得到2-amino-4-(4-bromophenyl)-8,9-dihydro-7H-cyclopenta[b]pyrido[2',3':4,5]thieno[3,2-e]pyridin-3-yl cyanide