Part –V: Utilities of Active Methylene Compounds and Heterocycles Bearing Active Methyl or having an Active Methine in the Formation of Nitrogenous Heterocycles Having oxygen or sulfur atom

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Title Part –V: Utilities of Active Methylene Compounds and Heterocycles Bearing Active Methyl or having an Active Methine in the Formation of Nitrogenous Heterocycles Having oxygen or sulfur atom
 
Creator Abdel-Megid, Mohamed
 
Subject Thiazepines
Oxazepines
Pyrans
Thiazines
Thiadiazoles
Oxadiazoles
Thiazoles
Isoxazles
Active methylene
heterocyclic compounds
 
Description Most of the common and novel synthesized active methylene compounds as well as heterocycles bearing active methyl or having methine site were used in the syntheses of wide variety of five-, six- and seven-membered azaheterocyclic systems having oxygen or sulfur atom in their structures in addition to some oxygenated heterocycles such as pyrans. Many synthetic approaches were used for the preparation of target heterocyclic systems such as cyclocondensation reactions, ring opening-ring closure, cycloaddition, acid-, base-catalyzed reaction, intermolecular cyclization and self-condensation as well as ring–chain tautomerism has been reviewed in this paper.
 
Publisher PURKH
 
Date 2020-12-30
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier https://purkh.com/index.php/tochem/article/view/868
 
Source To Chemistry Journal; Vol. 7 (2020); 74-95
2581-7507
 
Language eng
 
Relation https://purkh.com/index.php/tochem/article/view/868/837
 
Rights Copyright (c) 2020 Mohamed Abdel-Megid
https://creativecommons.org/licenses/by/4.0
 

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