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Synthesis of Dibromo-Vinyl Chalcogenides |
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| Authors: | Antonio L. Braga Miriam I. Marchi Leandro H. de Andrade Claudio C. Silveira |
| Affiliation: | Departamento de Química , Universidade Federal de Santa Maria , 97105--900, Santa Maria, RS, Brazil |
| Abstract: | β-Bromovinyl chalcogenides were conveniently prepared in good yields by reacting alkynyl chalcogenides with bromine or by addition of organochalcogenyl bromide to bromoacetylenes in the presence of zinc bromide. |
| Keywords: | Cyanation heterocyclic compounds microwave selenium dioxide triselenium dicyanide |