摘要:
4(2'-二甲氨基乙烯基)-2-oxo-2H-benzo[b]pyran-3-carbonitrile (1), 4(2'-二甲氨基乙烯基)-2-oxo-2H-naphtho[1]的气相热解反应,2-b]pyran-3-carbonitrile (2), 1,6-dihydro-4-(2'-dimethylaminoethenyl)-6-oxo-1-phenylpyridazine-3,5-dicarbonitrile (3), 2-cyano- 5-二甲氨基-3-苯基-2,4-戊二烯腈(4), 2-氰基-5-二甲氨基-3-(2-噻吩基)-2,4-戊二烯腈(5), 1,2-二氢-4- (2'-二甲氨基乙烯基)-oxo-quinoline-4-carbonitrile (6), 6-(ethylthio)-4-(2'-dimethylaminoethenyl)-2-phenylpyrimidine-5-carbonitrile