1,3-dimethylperimidinium perchlorate 在
sodium tetrahydroborate 、
磺酰氯 作用下,
生成
6-chloro-1,3-dimethyl-2,3-dihydroperimidine 、 4,6,7-trichloro-1,3-dimethyl-2,3-dihydroperimidine 、
6,7-dichloro-1,3-dimethyl-2,3-dihydro-1H-perimidine 、
4,9-dichloro-1,3-dimethyl-2,3-dihydro-1H-perimidine