A new, fast and efficient synthesis of 3-aryl indenones: intramolecular cyclization of 1,3-diarylpropynones in superacids |
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| Authors: | Aleksander V Vasilyev Stéphane Walspurger Jean Sommer |
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| Institution: | a Laboratoire de physico-chimie des hydrocarbures, associé au CNRS, Institut Le Bel, Université L. Pasteur, 67000 Strasbourg, France
b Laboratoire de synthèse et réactivité organique, associé au CNRS, Institut Le Bel, Université L. Pasteur, 67000 Strasbourg, France |
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| Abstract: | 1,3-Diarylpropynones were cleanly converted to the corresponding 3-arylindenones in various superacidic media. This new, simple, one-pot reaction proved to be efficient (yields up to 95%) and very fast (reaction time less than 30 min). |
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