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| Titre: | Liquid and solid acids as catalysts for the Thiele–Winter reaction of menadione |
| Auteur(s): | Villemin, D.
Bar, N.
Hammadi, M.
Hachemi, M. |
| Mots-clés: | Liquid acid
Catalysts
Menadione
Solid acids |
| Date de publication: | 2000 |
| Collection/Numéro: | Journal research (S)/ Journal research (S), (2000);pp. 356-358 |
| Résumé: | Liquid acid such as perchloric acid, chlorosulfonic or triflic acid can effectively replace sulfuric acid as a catalyst in Thiele–Winter reaction of menadione. Solid acids like zeolites and heteropolyacids are described for the first time as catalysts in Thiele–Winter reaction. The two step sequence (Thiele–Winter), saponification–oxidation) constitutes a new synthesis of the antibiotic phthiocol from menadione |
| URI/URL: | http://dlibrary.univ-boumerdes.dz:8080/jspui/handle/123456789/428 |
| ISSN: | 0308-2342 |
| Collection(s) : | Publications Internationales
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