1-Phenyl-6-methoxy-7-benzyloxy-3,4-dihydro-isochinolin 、
6-benzyloxy-7-methoxy-1-phenyl-3,4-dihydroisoquinoline 以affords 7-benzyloxy-6-methoxy-1-phenyl-1,2,3,4-tetrahydroisoquinoline, melting at about 123°-125°C.的产率得到7-benzyloxy-6-methoxy-1-phenyl-1,2,3,4-tetrahydro-isoquinoline