Catalyse par transfert de phase solide-liquide sans solvant : application a la reaction de michael
✍ Scribed by Georges Bram; Jean Sansoulet; Hervé Galons; Younes Bensaid; Claude Combet-Farnoux; Marcel Miocque
- Book ID
- 104228914
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- French
- Weight
- 119 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0040-4039
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✦ Synopsis
Solid-liquid phase transfer catalysis without added promotes MICHAEL reactions. The method is applied here to the methylacetoacetate and fluorene anions on hindered acceptors.
📜 SIMILAR VOLUMES
des Sciences.Cordoue.Espagne Resume:La reaction de Cannizzaro en phase heterogene solide-liquide sous sonication est catalysee par l'hydroxide de baryum active.Le processus par transfert mono glectronique est catalysee par les centres rgducteurs du solide comme le montrent les essais d'empoisonnemen
Additional evidence about an Electron Transfer Catalysis Mechanism (ETC) in the Cannizzaro reaction,cetalyzed by solid bases under sonochen;ical conditions is shown. The reducing sites of basic solids and the ultrasound act in the first step of the ETC mechanism. La reaction de Cannizzaro posS6de un