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<p>It is found that during UV irradiation of α-substituted β-ethoxyvinyltrifluoromethylketones C<sub>2</sub>H<sub>5</sub>O-CH=C(R)-COCF<sub>3</sub> (R = H, F, CH<sub>3</sub>) isolated in an argon matrix, interconversion processes of the corresponding conformers occur as a result of the hindered rotation of various functional groups around formally single bonds. At the same time, rotation is absent around the formally double C=C bond.</p>

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UV-Induced Conformational Transformations of α-Substituted β-Ethoxyvinyl Trifluoromethyl Ketones in an Argon Matrix

  • 期刊论文

  • 发表日期：

    2025年7月1日

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  • S. I. Vdovenko,
  • I. I. Gerus,
  • E. A. Fedorenko

摘要

It is found that during UV irradiation of α-substituted β-ethoxyvinyltrifluoromethylketones C2H5O-CH=C(R)-COCF3 (R = H, F, CH3) isolated in an argon matrix, interconversion processes of the corresponding conformers occur as a result of the hindered rotation of various functional groups around formally single bonds. At the same time, rotation is absent around the formally double C=C bond.