Tetracyanoethylene as a building block in the facile synthesis of heteroyl-tetrasubstituted thiazoles

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Hassan , A A , Aly , A A , Mohamed , N K , El-Haleem , L E A , Bräse , S & Nieger , M 2020 , ' Tetracyanoethylene as a building block in the facile synthesis of heteroyl-tetrasubstituted thiazoles ' , Monatshefte für Chemie , vol. 151 , no. 9 , pp. 1425-1431 . https://doi.org/10.1007/s00706-020-02669-4

Title: Tetracyanoethylene as a building block in the facile synthesis of heteroyl-tetrasubstituted thiazoles
Author: Hassan, Alaa A.; Aly, Ashraf A.; Mohamed, Nasr K.; El-Haleem, Lamiaa E. Abd; Bräse, Stefan; Nieger, Martin
Contributor: University of Helsinki, Department of Chemistry
Date: 2020-09-10
Language: eng
Number of pages: 7
Belongs to series: Monatshefte für Chemie
ISSN: 0026-9247
URI: http://hdl.handle.net/10138/334229
Abstract: The transformation of N-substituted 2-heteroylthiosemicarbazides to N-(2-substituted imino)-4-amino-5-cyanothiazol-3(2H)-3-yl)-heteroyl-2-carboxamides was achieved via the reaction with tetracyanoethylene, which is used as a building block in this transformation. The structures of the products have been confirmed unambiguously by single-crystal X-ray structure analysis. A rationale for the formation of the products is presented. [GRAPHICS] .
Subject: 2,3,4,5-Tetrasubstituted thiazoles
N-Substituted 2-heteroylthiosemicarbazides
Heterocycles
Donor-acceptor effects
NMR spectroscopy
X-ray structure determination
HETEROCYCLIZATION
THIOSEMICARBAZIDES
DERIVATIVES
116 Chemical sciences
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