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Chretien, J.-M., Mallinger, A., Zammattio, F., Le Grognec, E., Paris, M., Montavon, G. & Quintard, J.-P. (2007) Evaluation of polymer-supported vinyltin reagents in the Stille cross-coupling reaction. Tetrahedron Lett. 48 1781–1785.
Added by: Laurent Cournède (2016-03-10 22:02:30) |
| Type de référence: Article DOI: 10.1016/j.tetlet.2007.01.028 Numéro d'identification (ISBN etc.): 0040-4039 Clé BibTeX: Chretien2007 Voir tous les détails bibliographiques  |
Catégories: IMN Mots-clés: beta-formylvinylanion, derivatives, efficient access, green chemistry, molecules, organic-synthesis, organotin reagents, polymer-supported vinyltins, Stille cross-coupling reaction, tin Créateurs: Chretien, Le Grognec, Mallinger, Montavon, Paris, Quintard, Zammattio Collection: Tetrahedron Lett. |
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The synthesis of two new vinyltin reagents grafted on an insoluble macroporous polymer is reported. These reagents were used in the palladium-catalyzed Stille cross-coupling reaction with aryl halides. In all reactions, the conversion of the starting aryl halide is high and the amount of organotin by-product is particularly low (at the end of the catalytic run, the amount of Sri is up to 16 ppm in the crude reaction mixture removed of the insoluble polymer, and it is less than I ppm in the product purified by chromatography on silica gel). (c) 2007 Elsevier Ltd. All rights reserved.
Added by: Laurent Cournède |