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Synthesis of 1,8-naphthyridines from 2-aminonicotinaldehydes and terminal alkynes.

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Title: Synthesis of 1,8-naphthyridines from 2-aminonicotinaldehydes and terminal alkynes.
Authors: Li, Binbin1, Nguyen, Steven1, Huang, Jianjun1, Wang, Gaigai1, Wei, Huiping1, Pereshivko, Olga P.1 olga@suda.edu.cn, Peshkov, Vsevolod A.1 vsevolod@suda.edu.cn
Source: Tetrahedron Letters: International Organ for the Rapid Publication of Preliminary Communications in Organic Chemistry. May2016, Vol. 57 Issue 18, p1958-1962. 5p.
Subjects: Chemical synthesis, Naphthyridines, Alkynes, Chemical reactions, Hydroamination
Abstract: A copper(II) triflate-catalyzed diethylamine-assisted protocol for the reaction of 2-aminonicotinaldehydes and terminal alkynes leading to 1,8-naphthyridines is described. The overall process presumably involves a copper(II) triflate-catalyzed hydroamination of the triple bond followed by the Friedländer-type condensation of the resulting enamine with 2-aminonicotinaldehyde. [ABSTRACT FROM AUTHOR]
Copyright of Tetrahedron Letters: International Organ for the Rapid Publication of Preliminary Communications in Organic Chemistry is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 114392340
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Synthesis of 1,8-naphthyridines from 2-aminonicotinaldehydes and terminal alkynes.
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  Data: <searchLink fieldCode="DE" term="%22Chemical+synthesis%22">Chemical synthesis</searchLink><br /><searchLink fieldCode="DE" term="%22Naphthyridines%22">Naphthyridines</searchLink><br /><searchLink fieldCode="DE" term="%22Alkynes%22">Alkynes</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+reactions%22">Chemical reactions</searchLink><br /><searchLink fieldCode="DE" term="%22Hydroamination%22">Hydroamination</searchLink>
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  Data: A copper(II) triflate-catalyzed diethylamine-assisted protocol for the reaction of 2-aminonicotinaldehydes and terminal alkynes leading to 1,8-naphthyridines is described. The overall process presumably involves a copper(II) triflate-catalyzed hydroamination of the triple bond followed by the Friedländer-type condensation of the resulting enamine with 2-aminonicotinaldehyde. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Tetrahedron Letters: International Organ for the Rapid Publication of Preliminary Communications in Organic Chemistry is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.tetlet.2016.03.070
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        Text: English
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        Type: general
      – SubjectFull: Naphthyridines
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      – SubjectFull: Alkynes
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              Text: May2016
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