2-methyl-5-nitro-6-(4,5,7,8-tetrahydro-thieno[2,3-d]azepin-6-yl)-3H-pyrimidin-4-one 、
溴乙烷 在
potassium carbonate 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
生成
3-ethyl-2-methyl-5-nitro-6-(4,5,7,8-tetrahydro-thieno[2,3-d]azepin-6-yl)-3H-pyrimidin-4-one 、 6-(6-ethoxy-2-methyl-5-nitro-pyrimidin-4-yl)-5,6,7,8-tetrahydro-4H-thieno[2,3-d]azepine