Synthesis of <Emphasis Type="Italic">N</Emphasis>-(2-vinyloxyethyl)pyrazoles |
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Authors: | O S Attaryan S S Martirosyan G A Panosyan S G Matsoyan |
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Institution: | (1) Institute of Organic Chemistry, National Academy of Sciences of Armenia, Erevan, Armenia |
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Abstract: | Alkylation of pyrazoles with 2,2 -dichloroethyl ether under conditions of phase-transfer catalysis was studied. The monoalkylation products of 3(5)-methylpyrazoles at 190–200°C undergo intramolecular cyclization to form bicyclic salts. Conditions for dehydrochlorination of N-2-(2 - chloroethoxy)ethyl]pyrazoles into N-(2-vinyloxyethyl)pyrazoles were found.Translated from Zhurnal Obshchei Khimii, Vol. 74, No. 8, 2004, pp. 1365–1367.Original Russian Text Copyright © 2004 by Attaryan, Martirosyan, Panosyan, Matsoyan.This revised version was published online in April 2005 with a corrected cover date. |
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