Synthesis 2014; 46(09): 1254-1260
DOI: 10.1055/s-0033-1340840
paper
© Georg Thieme Verlag Stuttgart · New York

Direct Noncatalytic Electrophilic Trifluoroacetylation of Electron-Rich Pyrazoles

Authors

  • Dmytro V. Yarmoliuk

    a   Department of Chemistry, Taras Shevchenko National University of Kyiv, Volodymyrska str. 64, 01601 Kyiv, Ukraine   Fax: +389(44)2351273   eMail: Pavel.Mykhailiuk@gmail.com
  • Viatcheslav V. Arkhipov

    b   Enamine Ltd., Oleksandra Matrosova Street, 23, 01103 Kyiv, Ukraine
  • Maksym V. Stambirskyi

    b   Enamine Ltd., Oleksandra Matrosova Street, 23, 01103 Kyiv, Ukraine
  • Yurii V. Dmytriv

    b   Enamine Ltd., Oleksandra Matrosova Street, 23, 01103 Kyiv, Ukraine
  • Oleg V. Shishkin

    c   STC, Institute for Single Crystals, National Academy of Science of Ukraine, 60 Lenina Ave., 61001 Kharkiv, Ukraine
  • Andrei A. Tolmachev

    a   Department of Chemistry, Taras Shevchenko National University of Kyiv, Volodymyrska str. 64, 01601 Kyiv, Ukraine   Fax: +389(44)2351273   eMail: Pavel.Mykhailiuk@gmail.com
    b   Enamine Ltd., Oleksandra Matrosova Street, 23, 01103 Kyiv, Ukraine
  • Pavel K. Mykhailiuk*

    a   Department of Chemistry, Taras Shevchenko National University of Kyiv, Volodymyrska str. 64, 01601 Kyiv, Ukraine   Fax: +389(44)2351273   eMail: Pavel.Mykhailiuk@gmail.com
    b   Enamine Ltd., Oleksandra Matrosova Street, 23, 01103 Kyiv, Ukraine
Weitere Informationen

Publikationsverlauf

Received: 17. Januar 2014

Accepted: 29. Januar 2014

Publikationsdatum:
18. Februar 2014 (online)


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Abstract

Electron-rich N-substituted pyrazoles smoothly reacted with trifluoroacetic anhydride in pyridine to form the corresponding trifluoromethyl ketones in good yields.

Supporting Information