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Synthesis 1994; 1994(9): 973-978
DOI: 10.1055/s-1994-25617
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Einfache Synthesen von 1,2-Diaryl- und Triarylethenen mit trägergebundenen Fluoridbasen

D. Hellwinkel* , K. Göke, R. Karle
  • *Organisch-Chemisches Institut der Universität Heidelberg, Im Neuenheimer Feld 270, D-69120 Heidelberg, Germany
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Publication Date:
17 September 2002 (online)

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Facile Syntheses of 1,2-Diaryl- and Triarylethenes with Supported Fluoride Bases Differently substituted arenecarbaldehydes, mainly benzaldehydes, can be very efficiently condensed with a wide variety of methylbenzenes having an electron-withdrawing group in the para-position, as well as with fluorenes, xanthene, cyclopentadienes and indenes by using a standardized KF- or CsF-Al2O3 base system in dimethylformamide.