Journal of Fluorine Chemistry p. 293 - 300 (1990)
Update date:2022-08-02
Topics:
Zhang, Yadong
Wen, Jianxun
Du, Wenying
Substitutions on <(pentafluorophenyl)ethynyl>trimethylsilylsilane (1) with nucleophiles, Nu-X (2) give the corresponding <(p-substituted-tetrafluorophenyl)ethynyl>trimethylsilanes (3) or (p-substituted-tetrafluorophenyl)ethynes (4).The trimethylsilyl group of (3) can be easily removed by treatment with dilute alkali to give <(p-substituted-tetrafluorophenyl)-ethynes (4).Diacetylenes containing fluoro-aromatic rings are prepared by the Chodkiewiez-Cadiot and the Hay coupling of the corresponding terminal acetylenes (4).
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(1961)
