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Volumn , Issue 6, 2010, Pages 971-978

A quick synthesis of 1-arylpyrrolopyrazinones from linear alkynylamide derivatives

Author keywords

Alkynylamides; Bicyclic compounds; Hypervalent iodine; Pyrazinones; Reductive aminations

Indexed keywords

BICYCLIC COMPOUNDS; CARBONYL GROUPS; FREE AMINO GROUPS; HETEROCYCLIZATIONS; HYPERVALENT IODINE; PROTECTING GROUP; PYRROLOPYRAZINONE; RAPID SYNTHESIS; REACTION CONDITIONS; TRIPLE BONDS;

EID: 77749328056     PISSN: 00397881     EISSN: 1437210X     Source Type: Journal    
DOI: 10.1055/s-0029-1219218     Document Type: Article
Times cited : (23)

References (12)
  • 1
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    • For a review on pharmacological properties and clinical uses of piracetam, see: 2005
    • For a review on pharmacological properties and clinical uses of piracetam, see:, Winblad B, CNS Drug Rev. 2005 11 169
    • CNS Drug Rev. , vol.11 , pp. 169
    • Winblad, B.1
  • 7
    • 64349119103 scopus 로고    scopus 로고
    • The pyrrolopyrazinone (1,4-diazabicyclo[4.3.0]nonane) skeleton has also been identified as the bicyclic constituent of the recently isolated natural product tunicyclin A. See: 2009 See also: Tetrahedron Lett. 2004 45 4657
    • The pyrrolopyrazinone (1,4-diazabicyclo[4.3.0]nonane) skeleton has also been identified as the bicyclic constituent of the recently isolated natural product tunicyclin A. See:, Tian J.-M, Shen Y.-H, Yang X.-W, Liang S, Tang J, Shan L, Zhang W.-D, Org. Lett. 2009 11 1131 See also:, Macías A, Alonso E, DelPozo C, González J, Tetrahedron Lett. 2004 45 4657
    • Org. Lett. , vol.11 , pp. 1131
    • Tian, J.-M.1    Shen, Y.-H.2    Yang, X.-W.3    Liang, S.4    Tang, J.5    Shan, L.6    Zhang, W.-D.7    MacÍas, A.8    Alonso, E.9    Delpozo, C.10    González, J.11
  • 9
    • 68449100165 scopus 로고    scopus 로고
    • For some recent reviews on the Sonogashira reaction, see: 2009 Chem. Rev. 2007 107 874 Angew. Chem. Int. Ed. 2007 46 834
    • For some recent reviews on the Sonogashira reaction, see:, Heravi M M., Sadjadi S, Tetrahedron 2009 65 7761, Chinchilla R, Nájera C, Chem. Rev. 2007 107 874, Doucet H, Hierso J C., Angew. Chem. Int. Ed. 2007 46 834
    • Tetrahedron , vol.65 , pp. 7761
    • Heravi, M.M.1    Sadjadi, S.2    Chinchilla, R.3    Nájera, C.4    Doucet, H.5    Hierso, J.C.6
  • 10
    • 77749275653 scopus 로고    scopus 로고
    • These results led us to propose a mechanism in which the activated triple bond easily coordinates with the iodine(III) reagent and, hence, assisting the nucleophilic attack of the amidic nitrogen. In addition, alkyl-substituted alkynes also failed in the PIFA-mediated cyclization step
    • These results led us to propose a mechanism in which the activated triple bond easily coordinates with the iodine(III) reagent and, hence, assisting the nucleophilic attack of the amidic nitrogen. In addition, alkyl-substituted alkynes also failed in the PIFA-mediated cyclization step


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