Silica-Supported Perchloric Acid (HClO<sub>4</sub>-SiO<sub>2</sub>): An Efficient Catalyst for One-Pot Synthesis of Functionalized Tetrahydropyrimidine Derivatives
作者:Abu T. Khan、Md. Musawwer Khan、Deb Kumar Das、Mohan Lal
DOI:10.1002/jhet.1017
日期:2012.11
HClO4–SiO2 has been found to be a highly efficientcatalyst for the synthesis of substituted tetrahydropyrimidine and bis‐tertahydropyrimidine derivatives in good to excellent yields involving the reaction of dimethyl acetylenedicarboxylate, amines/diamines, and formaldehyde. One‐pot, atom economy, high‐bond forming efficiency, environmentally benign, good yields, and mild reaction conditions are some