Literature DB >> 12726946

An efficient synthesis of 3,4-dihydropyrimidin-2-ones catalyzed by NH2SO3H under ultrasound irradiation.

Ji-Tai Li1, Jun-Fen Han, Jin-Hui Yang, Tong-Shuang Li.   

Abstract

The condensation of aldehydes, beta-keto esters and urea catalyzed by NH(2)SO(3)H in ethanol results dihydropyrimidinones in high yields under ultrasound irradiation.

Entities:  

Year:  2003        PMID： 12726946     DOI： 10.1016/S1350-4177(03)00092-0

Source DB:  PubMed          Journal:  Ultrason Sonochem        ISSN： 1350-4177            Impact factor:   7.491


  13 in total

Review 1.  Sonochemical Protocols for Heterocyclic Synthesis: A Representative Review.

Authors:  Meena Devi; Rahul Singh; Jayant Sindhu; Ashwani Kumar; Sohan Lal; Ramesh Kumar; Khalid Hussain; Megha Sachdeva; Devender Singh; Parvin Kumar
Journal:  Top Curr Chem (Cham)       Date:  2022-02-12

2.  Cerium ammonium nitrate (CAN)-catalyzed four-component one-pot synthesis of multi-substituted pyrano[2,3-c] pyrazoles under ultrasound irradiation.

Authors:  Keyume Ablajan; Wang Liju; Yakefujiang Kelimu; Feng Jun
Journal:  Mol Divers       Date:  2013-08-06       Impact factor: 2.943

3.  Three-component one-pot synthesis of 4,6-diarylpyrimidin- 2(1H)-ones under solvent-free conditions in the presence of sulfamic acid as a green and reusable catalyst.

Authors:  Majid M Heravi; Leila Ranjbar; Fatemeh Derikvand; Behnoush Alimadadi
Journal:  Mol Divers       Date:  2008-10-01       Impact factor: 2.943

Review 4.  Recent developments in the synthesis and applications of dihydropyrimidin-2(1H)-ones and thiones.

Authors:  Behzad Mohammadi; Farahnaz K Behbahani
Journal:  Mol Divers       Date:  2018-01-18       Impact factor: 2.943

5.  Eutectic salt catalyzed environmentally benign and highly efficient Biginelli reaction.

Authors:  Najmadin Azizi; Sahar Dezfuli; Mohmmad Mahmoodi Hahsemi
Journal:  ScientificWorldJournal       Date:  2012-04-29

6.  Sulfamic acid promoted one-pot multicomponent reaction: a facile synthesis of 4-oxo-tetrahydroindoles under ball milling conditions.

Authors:  Trimurti L Lambat; Ahmed A Abdala; Sami Mahmood; Pankaj V Ledade; Ratiram G Chaudhary; Subhash Banerjee
Journal:  RSC Adv       Date:  2019-12-03       Impact factor: 4.036

7.  A Green, Expeditious, One-Pot Synthesis of 3, 4-Dihydropyrimidin-2(1H)-ones Using a Mixture of Phosphorus Pentoxide-Methanesulfonic Acid at Ambient Temperature.

Authors:  Amulrao Borse; Mahesh Patil; Nilesh Patil; Rohan Shinde
Journal:  ISRN Org Chem       Date:  2012-08-08

8.  Three Component Reaction: An Efficient Synthesis and Reactions of 3,4-Dihydropyrimidin-2(1H)-Ones and Thiones Using New Natural Catalyst.

Authors:  A M Elmaghraby; I A Mousa; A A Harb; M Y Mahgoub
Journal:  ISRN Org Chem       Date:  2013-08-18

9.  Ultrasound-assisted synthesis of novel 4-(2-phenyl-1,2,3-triazol-4-yl)-3,4-dihydropyrimidin-(1H)-(thio)ones catalyzed by Sm(ClO(4))(3).

Authors:  Chen-Jiang Liu; Ji-De Wang
Journal:  Molecules       Date:  2010-03-24       Impact factor: 4.411

10.  Copper(II) sulfamate: an efficient catalyst for the one-pot synthesis of 3,4-dihydropyrimidine-2(1H)-ones and thiones.

Authors:  Chen-Jiang Liu; Ji-De Wang
Journal:  Molecules       Date:  2009-02-13       Impact factor: 4.411
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