1-cyanomethyl-6,7-dimethoxy-3,4-dihydroisoquinolinium mesylate 、
7-<4-(N,N-dimethylamino)phenyl>hepta-2,4,6-trien-1-al 在
溶剂黄146 作用下,
以79%的产率得到2-(6,7-dimethoxy-3,4-dihydro-isoquinolin-1-yl)-9-(4-(N,N-dimethylamino)phenyl)-nona-2,4,6,8-tetraenenitrile mesylate