Polymer-supported phosphorus ligands for catalysis

Details Polymer-supported phosphorus ligands for catalysis Polymer-supported phosphorus ligands for catalysis

B - Operations, Transporting

01

J

B01J 31/24 (2006.01) B01J 31/16 (2006.01) C07F 9/46 (2006.01) C07F 9/48 (2006.01) C07F 9/50 (2006.01) C07F 9/52 (2006.01) C07F 9/53 (2006.01) C07F 9/6568 (2006.01) C07F 9/6571 (2006.01) C08F 8/40 (2006.01) C07B 61/00 (2006.01)

Patent

CA 2345639

Novel phosphine and phosphine oxide ligands are prepared using polymeric supports. These compounds can be easily cleaved from the support, and along with the corresponding supported compounds, used as ligands in the preparation of novel, metal-complexed catalysts. The ligands are obtained by combinatorial synthesis. A process for preparing coumarin by contacting salicylaldehyde with an acrylate is also provided.

L'invention concerne la préparation de nouveaux ligands à base de phosphine et d'oxyde de phosphine avec des supports polymères. Ces composés peuvent être facilement détachés du support; conjointement avec les composés correspondants sur supports, ils peuvent servir à la préparation de nouveaux catalyseurs à complexes métalliques. Ces ligands sont obtenus par synthèse combinatoire. L'invention concerne aussi un procédé de fabrication de coumarinique par la mise en contact du salicylaldéhyde et d'un acrylate.

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