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Mendeleev Communications, 2016, Volume 26, Issue 6, Pages 480–482
DOI: https://doi.org/10.1016/j.mencom.2016.11.006
(Mi mendc2252)
 

This article is cited in 11 scientific papers (total in 11 papers)

Communications

Aluminium oxide-mediated cross-coupling of pyrroles with 1-bromo-2-(trifluoroacetyl)acetylene: a quantum-chemical insight

D. N. Tomilina, D. Yu. Soshnikovab, A. B. Trofimovb, M. D. Gotskoa, L. N. Sobeninaa, I. A. Ushakova, A. V. Afonina, A. B. Koldobskiic, N. M. Vitkovskayab, B. A. Trofimova

a A.E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, Irkutsk, Russian Federation
b Department of Chemistry, Irkutsk State University, Irkutsk, Russian Federation
c A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, Moscow, Russian Federation
Abstract: Cross-coupling of NH-pyrroles with 1-bromo-2-(trifluoroacetyl) acetylene in the Al2O3 medium affords (E)-4-bromo-1,1,1-trifluoro-4-(pyrrol-2-yl)but-3-en-2-ones instead of the expected 2-ethynylated products. Quantum-chemical analysis shows strong intramolecular hydrogen bonding between NH and trifluoroacetyl groups, higher NH acidity and deeper charge transfer to the ethenyl moiety, which determines the reaction pathway.
Bibliographic databases:
Document Type: Article
Language: English
Supplementary materials:
Supplementary_data_1.pdf (663.0 Kb)


Citation: D. N. Tomilin, D. Yu. Soshnikov, A. B. Trofimov, M. D. Gotsko, L. N. Sobenina, I. A. Ushakov, A. V. Afonin, A. B. Koldobskii, N. M. Vitkovskaya, B. A. Trofimov, “Aluminium oxide-mediated cross-coupling of pyrroles with 1-bromo-2-(trifluoroacetyl)acetylene: a quantum-chemical insight”, Mendeleev Commun., 26:6 (2016), 480–482
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  • https://www.mathnet.ru/eng/mendc2252
  • https://www.mathnet.ru/eng/mendc/v26/i6/p480
  • This publication is cited in the following 11 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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