3-Carbamoyl-1,7-dimethyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-1-ium; chloride 在
palladium on activated charcoal
盐酸 、
氢气 作用下,
生成 (7R,9aR)-1,7-Dimethyl-4-oxo-1,6,7,8,9,9a-hexahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid amide 、 (7S,9aR)-1,7-Dimethyl-4-oxo-1,6,7,8,9,9a-hexahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid amide