Pyridine has been used for one-pot, two-component synthesis of ethyl 3-substituted-4-oxo-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate derivatives in moderate to good yields by condensing N-substituted thioureas with diethyl ethoxymalonate under microwave irradiation.
吡啶已被用作一锅法、两组分合成乙基3-取代-4-氧代-2-
硫代-1,2,3,4-四氢
嘧啶-5-
羧酸酯衍
生物的催化剂,条件是通过微波辐射将N-取代的
硫脲与
二乙基乙氧基
丙二酸酯缩合,获得中等到良好的产率。