9,10-Dimethoxy-7,7-dimethyl-2-(2,4,6-trimethyl-phenylamino)-6,7-dihydro-pyrimido[6,1-a]isoquinolin-4-one; hydrochloride 、
碘甲烷 在
potassium carbonate 作用下,
以
丙酮 为溶剂,
反应 3.0h,
生成 9,10-Dimethoxy-3,7,7-trimethyl-2-[(E)-2,4,6-trimethyl-phenylimino]-2,3,6,7-tetrahydro-pyrimido[6,1-a]isoquinolin-4-one; hydrochloride