106551-78-4
2,5-dioxo-7-phenyl-1,6,7,8-tetrahydroquinoline-3-carboxylic acid
→
~60%
106551-83-1
7-phenyl-1,6,7,8-tetrahydroquinoline-2,5-dione
493-72-1
5-苯基-1,3-环己二酮
+
623-47-2
丙炔酸乙酯