New Direct Synthesis of 3-Nitro-2H-chromenes Using Nitroethylene |
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| Authors: | Mamdouh Ai Neirabeyeh Rafik Koussini Gérald Guillaumet |
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| Affiliation: | 1. U.A.E. University, Faculty of Sciences , B.P. 15551, AL-AIN, United Arab Emirates;2. Université d'Ortéans, Laboratoire de Chimie Bioorganique et Analytique , B.P. 6759, 45067, Orléans Cedex 2, France |
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| Abstract: | The treatment of substituted 2-hydroxybenzaldehydes by nitroethylene, prealably prepared or generated in situ within the reaction, in the presence of di-n-butylamine gave 3-nitro-2H-chromenes in fair to excellent yields. |
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