论文部分内容阅读
A highly efficient catalyst indium (III) tribromide is used to synthesize 5-alkoxy- carbonyl-4-hydrocarbyl-3,4-dihydropyrimidin-2(1H)-ones by a three-component coupling of -keto ester, aldehydes and urea through improved Biginelli reaction.
A highly efficient catalyst indium (III) tribromide is used to synthesize 5-alkoxy-carbonyl-4-hydrocarbyl-3,4- dihydropyrimidin-2 (1H) -ones by a three-component coupling of- keto ester, improved Biginelli reaction.