A Facile Synthesis of Optically Active 1,1,1-Trifluoro-3-alkyn-2-ols by Stereospecific Substitution of Optically Active 1-Benzyloxy-2,2,2-trifluoroethyl Tosylate with Lithium Alkynyltriethylaluminates

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Description

Optically active 1-benzyloxy-2,2,2-trifluoroethyl tosylate reacts with various lithium alkynyltriethylaluminates to give optically active 2-benzyloxy-1,1,1-trifluoro-3-alkynes selectively and stereospecifically with inversion of configuration. Thus, the reaction provides with a novel method for the preparation of various optically active 1,1,1-trifluoro-3-alkyn-2-ols.

Journal

  • Chemistry Letters

    Chemistry Letters 28 (6), 529-530, 1999

    The Chemical Society of Japan

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