2-(4-methylphenyl)-4-(2-thienylmethylene)oxazol-5-one 、
1-(4-fluoro-phenyl)-2-(tetrahydro-pyrimidin-2-ylidene)-ethanone 在
溶剂黄146 作用下,
以
乙醇 为溶剂,
以77%的产率得到N-(9-(4-fluorobenzoyl)-6-oxo-8-(thiophen-2-yl)-2,3,4,6,7,8-hexahydro-1H-pyrido[1,2-a]pyrimidin-7-yl)-4-methylbenz-amide