上游原料
1-(3,4-dimethoxyphenethyl)pyrimidine-2,4,6(1H,3H,5H)-trione2-chloro-9,10-dimethoxy-6,7-dihydro-4H-pyrimido[6,1-a]isoquinolin-4-one2,4,6-trimethylaniline(E)-2-(mesitylimino)-9,10-dimethoxy-2,3,6,7-tetrahydro-4H-pyrimido[6,1-a]isoquinolin-4-one2-(2-bromoethyl)-1H-isoindole-1,3(2H)-dione(E)-2-(2-(2-(mesitylimino)-9,10-dimethoxy-4-oxo-6,7-dihydro-2H-pyrimido[6,1-a]isoquinolin-3(4H)-yl)ethyl)isoindoline-1,3-dione(E)-3-(2-aminoethyl)-2-(mesitylimino)-9,10-dimethoxy-2,3,6,7-tetrahydro-4H-pyrimido[6,1-a]isoquinolin-4-one2-bromoacetonitrile(E)-2-(2-(mesitylimino)-9,10-dimethoxy-4-oxo-6,7-dihydro-2H-pyrimido[6,1-a]isoquinolin-3(4H)-yl)acetonitrile