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Dual catalysis with copper and rhenium for trifluoromethylation of propargylic alcohols: efficient synthesis of α-trifluoromethylated enones.

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  • المؤلفون: Egami H;Egami H;Egami H;Egami H; Ide T; Fujita M; Tojo T; Hamashima Y; Sodeoka M
  • المصدر:
    Chemistry (Weinheim an der Bergstrasse, Germany) [Chemistry] 2014 Sep 15; Vol. 20 (38), pp. 12061-5. Date of Electronic Publication: 2014 Jul 30.
  • نوع النشر :
    Journal Article; Research Support, Non-U.S. Gov't
  • اللغة:
    English
  • معلومة اضافية
    • المصدر:
      Publisher: Wiley-VCH Country of Publication: Germany NLM ID: 9513783 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1521-3765 (Electronic) Linking ISSN: 09476539 NLM ISO Abbreviation: Chemistry Subsets: MEDLINE
    • بيانات النشر:
      Original Publication: Weinheim, Germany : Wiley-VCH
    • الموضوع:
      Alkynes/*chemistry ; Copper/*chemistry ; Ketones/*chemical synthesis ; Propanols/*chemistry ; Rhenium/*chemistry; Catalysis ; Ketones/chemistry ; Methylation ; Molecular Structure ; Stereoisomerism
    • نبذة مختصرة :
      Trifluoromethylation of propargylic alcohols to provide (Z)-α-trifluoromethylated enones and β-unsubstituted α-trifluoromethylated enones proceeded with high yield and selectivity in the presence of CuI/Re2O7. The Z isomer was formed under kinetic control, though it is less stable than the E isomer in terms of steric repulsion.
      (© 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.)
    • Contributed Indexing:
      Keywords: copper; dual catalyst; enone; rhenium; trifluoromethyl
    • الرقم المعرف:
      0 (Alkynes)
      0 (Ketones)
      0 (Propanols)
      7440-15-5 (Rhenium)
      789U1901C5 (Copper)
      E920VF499L (propargyl alcohol)
    • الموضوع:
      Date Created: 20140801 Date Completed: 20150527 Latest Revision: 20140908
    • الموضوع:
      20221213
    • الرقم المعرف:
      10.1002/chem.201403447
    • الرقم المعرف:
      25077456