4-[3-(1-Hexyl-4,4-dimethyl-2-oxo-1,2,3,4-tetrahydro-quinolin-6-yl)-3-oxo-propenyl]-benzoic acid 、
N-heptyl-6-acetyl-4,4-dimethyl-3,4-dihydro-1H-quinolin-2-one 以afforded the title compound as a light yellow solid (51% yield)的产率得到4-[3-(1-Heptyl-4,4-dimethyl-2-oxo-1,2,3,4-tetrahydro-quinolin-6-yl)-3-oxo-propenyl]-benzoic acid