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A one-pot synthesis of functionalized 2,2-disubstituted 2H-1-benzopyrans |
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| Authors: | Janine Cossy Haja Rakotoarisoa Philippe Kahn Jean-Roger Desmurs |
| Institution: | a Laboratoire de Chimie Organique, associé au CNRS, ESPCI, 10 rue Vauquelin - 75231 -, Paris Cedex 05 -, France b Rhône-Poulenc Industrialisation, CRIT-C, 85 avenue des Frères Perret - 69192 -, Saint-Fons Cedex -, France |
| Abstract: | The synthesis of functionalized 2,2-disubstituted 2H-1-benzopyrans was achieved by condensing 2,3,5-trimethylhydroquinone (TMHQ) with  ,β-unsaturated aldehydes or ,β-unsaturated acetals under acidic conditions. |
| Keywords: | benzopyrans aldehydes acetals cyclization |
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