6-(cyclopropylmethylamino)-3-methyl-5-(4,5,6,7-tetrahydro-1,3-benzothiazol-2-ylmethylideneamino)-1H-pyrimidine-2,4-dione 在
偶氮二甲酸二乙酯 作用下,
以
甲苯 为溶剂,
生成
9-(cyclopropylmethyl)-1-methyl-8-(4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)-1H-purine-2,6(3H,9H)-dione