Nucleophilic Dearomatization of 3-nitrobenzofurans by the Action of 2-(1-arylethylidene)Malononitriles

When 2-(1-arylethylidene)malononitriles act upon 3-nitrobenzofurans in the presence of triethylamine, the furan ring opens and triethylammonium 2-aryl-1,1-dicyano-5-nitropenta-2,4-dien-1-ides are formed. The obtained salts containing the chromophoric 1,1-dicyanopentadienide fragment are of interest...

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Bibliographic Details
Published in:Chemistry of heterocyclic compounds (New York, N.Y. 1965) N.Y. 1965), 2021-10, Vol.57 (10), p.996-1001
Main Authors: Osipov, Dmitry V., Rashchepkina, Darya А., Аrtemenko, Alina А., Demidov, Oleg P., Osyanin, Vitaly А.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Furans
Organic Chemistry
PETN
Pharmacy
Surface active agents
Triethylamine
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Summary:When 2-(1-arylethylidene)malononitriles act upon 3-nitrobenzofurans in the presence of triethylamine, the furan ring opens and triethylammonium 2-aryl-1,1-dicyano-5-nitropenta-2,4-dien-1-ides are formed. The obtained salts containing the chromophoric 1,1-dicyanopentadienide fragment are of interest as anionic polymethine dyes.
ISSN:0009-3122
1573-8353
DOI:10.1007/s10593-021-03013-2