Reactivity of 2-substituted hydrazinecarbothioamides towards tetracyanoethylene and convenient synthesis of (5-amino-2-diazenylthiazolylmethylene) malononitrile derivatives

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Hassan , A A , Mohamed , N K , El-Shaieb , K M A , Tawfeek , H N , Bräse , S & Nieger , M 2016 , ' Reactivity of 2-substituted hydrazinecarbothioamides towards tetracyanoethylene and convenient synthesis of (5-amino-2-diazenylthiazolylmethylene) malononitrile derivatives ' , ARKIVOC , no. vi , pp. 163-171 . https://doi.org/10.24820/ark.5550190.p009.872

Title: Reactivity of 2-substituted hydrazinecarbothioamides towards tetracyanoethylene and convenient synthesis of (5-amino-2-diazenylthiazolylmethylene) malononitrile derivatives
Author: Hassan, Alaa A.; Mohamed, Nasr K.; El-Shaieb, Kamal M. A.; Tawfeek, Hendawy N.; Bräse, Stefan; Nieger, Martin
Other contributor: University of Helsinki, Department of Chemistry
Date: 2016
Language: eng
Number of pages: 9
Belongs to series: ARKIVOC
ISSN: 1551-7004
DOI: https://doi.org/10.24820/ark.5550190.p009.872
URI: http://hdl.handle.net/10138/231145
Abstract: 2-{Amino-[5-amino-2-(substituted diazenyl) thiazol-4-yl] methylene} malononitriles were synthesized from the reaction of 2-substituted hydrazinecarbothioamides with tetracyanoethylene (TCNE) to give tetracyanoethane adduct, followed by heterocyclization afforded the target compounds. The structure of (E)-2-{amino-[5-amino-2-(phenyldiazenyl) thiazol-4-yl] methylene} malononitrile was supported by single crystal X-ray crystallography.
Subject: Malononitrile
thiazoles
thiosemicarbazides
tetracyanoethylene
X-ray crystallography
THIAZOLE
THIOSEMICARBAZIDES
5-AMINOTHIAZOLES
ANTIBACTERIAL
INHIBITORS
SERIES
116 Chemical sciences
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