Studies with Functionally Substituted Enamines: Synthesis of New Aminoazolo-Pyrimidines and -1,2,4-Triazines
3-Aminoacrylonitrile derivatives (1d-g) coupled with aromatic and heteroaromatic diazonium salts yielding arylhydrazonals and pyrazolo[5,1-c]triazines. The enaminonitriles 1d-g condensed to form dienes 6a-c on reflux in acetic acid. The latter underwent Diels-Alder type addition to naphthoquinone. A...
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| Veröffentlicht in: | Journal of chemical research 2004-12, Vol.2004 (12), p.789-793 |
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| container_issue | 12 |
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| container_title | Journal of chemical research |
| container_volume | 2004 |
| creator | Ghozlan, Said Ahmed Soliman Abdelhamid, Ismail Abdelshafy Gaber, Hatem Elnagdi, Mohamed Hilmy |
| description | 3-Aminoacrylonitrile derivatives (1d-g) coupled with aromatic and heteroaromatic diazonium salts yielding arylhydrazonals and pyrazolo[5,1-c]triazines. The enaminonitriles 1d-g condensed to form dienes 6a-c on reflux in acetic acid. The latter underwent Diels-Alder type addition to naphthoquinone. Aminopyrazolopyrimidines were obtained from reaction of 1d-g with heteroaromatic aminoazoles. Enaminonitrile 1d formed pyran 21 with benzylidene-malononitrile, and dihydropyrimidine 22 with benzaldehyde and urea. |
| doi_str_mv | 10.3184/0308234043431230 |
| format | Article |
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The enaminonitriles 1d-g condensed to form dienes 6a-c on reflux in acetic acid. The latter underwent Diels-Alder type addition to naphthoquinone. Aminopyrazolopyrimidines were obtained from reaction of 1d-g with heteroaromatic aminoazoles. Enaminonitrile 1d formed pyran 21 with benzylidene-malononitrile, and dihydropyrimidine 22 with benzaldehyde and urea.</description><identifier>ISSN: 1747-5198</identifier><identifier>EISSN: 2047-6507</identifier><identifier>DOI: 10.3184/0308234043431230</identifier><language>eng</language><publisher>London: Sage Publications Ltd</publisher><subject>Acetic acid ; Benzaldehyde ; Condensing ; Derivatives ; Dienes ; Synthesis ; Ureas</subject><ispartof>Journal of chemical research, 2004-12, Vol.2004 (12), p.789-793</ispartof><rights>Copyright Science Reviews 2000 Ltd Dec 2004</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c276t-329c45021353185dc587f04a1919bd16735e4659d9ff232d2f6c9cb0059e45893</citedby><cites>FETCH-LOGICAL-c276t-329c45021353185dc587f04a1919bd16735e4659d9ff232d2f6c9cb0059e45893</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Ghozlan, Said Ahmed Soliman</creatorcontrib><creatorcontrib>Abdelhamid, Ismail Abdelshafy</creatorcontrib><creatorcontrib>Gaber, Hatem</creatorcontrib><creatorcontrib>Elnagdi, Mohamed Hilmy</creatorcontrib><title>Studies with Functionally Substituted Enamines: Synthesis of New Aminoazolo-Pyrimidines and -1,2,4-Triazines</title><title>Journal of chemical research</title><description>3-Aminoacrylonitrile derivatives (1d-g) coupled with aromatic and heteroaromatic diazonium salts yielding arylhydrazonals and pyrazolo[5,1-c]triazines. 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| identifier | ISSN: 1747-5198 |
| ispartof | Journal of chemical research, 2004-12, Vol.2004 (12), p.789-793 |
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| language | eng |
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| source | Sage Journals GOLD Open Access 2024; Alma/SFX Local Collection |
| subjects | Acetic acid Benzaldehyde Condensing Derivatives Dienes Synthesis Ureas |
| title | Studies with Functionally Substituted Enamines: Synthesis of New Aminoazolo-Pyrimidines and -1,2,4-Triazines |
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