An efficient synthesis of 3,4-dihydropyrimidin-2-ones catalyzed by NH2SO3H under ultrasound irradiation
Author/Authors :
Li، نويسنده , , Ji-Tai and Han، نويسنده , , Jun-Fen and Yang، نويسنده , , Jinhui and Li، نويسنده , , Tong-Shuang and Li، نويسنده ,
Pages :
4
From page :
119
To page :
122
Abstract :
The condensation of aldehydes, β-keto esters and urea catalyzed by NH2SO3H in ethanol results dihydropyrimidinones in high yields under ultrasound irradiation.
