2-(4-methylphenyl)quinazoline-4-carboxylic acid 、
5-Hydroxy-6-dimethylamino-1,2,3,4-tetrahydroisoquinoline hydrochloride 以gave compound 15 (13% yield) as a brown solid的产率得到2-[[2-(4-methylphenyl)quinazolin-4-yl]carbonyl]-5-hydroxy-6-dimethylamino-1,2,3,4-tetrahydroisoquinoline