| Authors | عبد الحمید بامنیری,بی بی فاطمه میرجلیلی,صدیقه ناظمیان |
|---|---|
| Journal | IRANIAN JOURNAL OF CATALYSIS |
| Page number | 17 |
| Volume number | 2 |
| IF | ثبت نشده |
| Paper Type | Full Paper |
| Published At | 2012-05-30 |
| Journal Grade | Scientific - research |
| Journal Type | Electronic |
| Journal Country | Iran, Islamic Republic Of |
| Journal Index | SCOPUS ,ISC |
Abstract
Two simple protocols for the synthesis of three-component condensation reaction of an aldehyde, β-ketoester and urea or thiourea to obtain the 3, 4-dihydropyrimidin-2(1H)-ones (thiones) using nano silica phosphoric acid are reported. Short reaction times, high yields, reusability of catalyst and easy workup are some advantages of these protocols.
tags: Biginelli reaction, 3,4-Dihydropyrimidin-2(1H)-ones, 3,4-Dihydropyrimidin-2(1H)-thiones, Heterogeneous catalyst, Multi-component reactions, Nano silica phosphoric acid, Sonication condition.