1-(3,4-diethoxybenzoyl)-2-methyl-1,2,3,4-tetrahydro-4-quinolinol 、
1,2,3,4-四氢喹啉 以to give the titled compound (267 mg, yield: 34%) as a white crystal的产率得到cis-1-(3,4-diethoxybenzoyl)-2-methyl-4-(1,2,3,4-tetrahydroquinolin-1-yl)1,2,3,4-tetrahydroquinoline