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Letters in Organic Chemistry

Editor-in-Chief

ISSN (Print): 1570-1786
ISSN (Online): 1875-6255

Novel One-Pot Synthesis of 3,4-dihydropyrimidin-2(1H)-ones and 3,4,7,8- tetrahydroquinazoline-2,5-diones Using Pyridinium p-toluenesufonate as Catalyst

Author(s): Imene Amine Khodja, Raouf Boulcina and Abdelmadjid Debache

Volume 12, Issue 2, 2015

Page: [77 - 84] Pages: 8

DOI: 10.2174/1570178612666141226193727

Price: $65

Abstract

A mild, simple and efficient procedure for the preparation of 3,4-dihydropyrimidin-2(1H)-ones and 3,4,7,8- tetrahydroquinazoline-2,5-diones is described using pyridinium p-toluenesufonate as an efficient catalyst under mild conditions. Simple methodologies, easy work-up procedure, excellent yields and very short reaction times are among the other advantages of this work.

Keywords: 3, 4, 7, 8-tetrahydroquinazoline-2, 5-diones, 3, 4-Dihydropyrimidin-2(1H)-ones, biginelli reaction, pyridinium-ptoluenesufonate.

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