上游原料
Diethyl oxalate; Ethyl 2-ethoxy-2-oxoacetate2,3-Dimethylphenylamine; 2,3-Dimethylaniline; 2,3-Xylidinediethyl 2-acetylmalonate3-acetyl-4-hydroxy-7,8-dimethyl-2(1H)-quinolinoneethyl 4-(4-hydroxy-7,8-dimethyl-2-oxo-1,2-dihydro-3-quinolinyl)-2,4-dioxobutanoate7,8-dimethyl-4,5-dioxo-5,6-dihydro-4H-pyrano[3,2-c]quinoline-2-carbonyl chloride3-methyl-1-butanolPhenyllithiumOxalic acid3-acetyl-4-hydroxy-7,8-dimethyl-2(1H)-quinolinone3-methyl-1-butanolisopentyl 2-(isopentyloxy)-2-oxoacetateisopentyl 4-(4-hydroxy-7,8-dimethyl-2-oxo-1,2-dihydro-3-quinolinyl)-2,4-dioxobutanoate2-hydroxy-2-oxoacetic acidisopentyl 2-(isopentyloxy)-2-oxoacetateisopentyl 4-(4-hydroxy-7,8-dimethyl-2-oxo-1,2-dihydro-3-quinolinyl)-2,4-dioxobutanoate