N,N,N'-三甲基乙二胺 、
N-(2-diisopropylaminoethyl)-6,7-dimethoxy-1-(4-methoxyphenyl)-3,4-dihydro-2(1H)-isoquinolinecarboxamide 以affords 6,7-dimethoxy-N-(2-dimethylaminoethyl)-1-(4-methoxyphenyl)-N-methyl-3,4-dihydro-2(1H)-isoquinolinecarboxamide的产率得到6,7-dimethoxy-N-(2-dimethylaminoethyl)-1-(4-methoxyphenyl)-N-methyl-3,4-dihydro-2(1H)-isoquinolinecarboxamide