5-<(cyclopropylmethoxy)carbonyl>-2,6-dimethyl-4-(m-nitrophenyl)-1,4(3,4)-dihydropyrimidine hydrochloride 在
sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
反应 0.5h,
以98%的产率得到2,6-Dimethyl-4-(3-nitro-phenyl)-1,2,3,4-tetrahydro-pyrimidine-5-carboxylic acid cyclopropylmethyl ester