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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


Mecanisme de transfert mono electronique
✍ A Fuentes; J.V Sinisterra 📂 Article 📅 1986 🏛 Elsevier Science 🌐 French ⚖ 236 KB

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

Evidence d'un mecanisme de catalyse par
✍ A. Fuentes; J.M. Marinas; J.V. Sinisterra 📂 Article 📅 1987 🏛 Elsevier Science 🌐 French ⚖ 214 KB

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