Version française

Wednesday October 21 2009

Functionalized Chitosan as a Green, Recyclable, Biopolymer-Supported Catalyst for the [3+2] Huisgen Cycloaddition.

Angew Chem-Int Edit. (2009) 48, 5916-5920.
CEA


Clean and green: Copper(I) complexes of phenanthroline-based ligands anchored on the chitosan polymer are good catalysts for the click cycloaddition of azides with terminal alkynes (see scheme; the scanning electron microscopy image shows the porous structure of the catalyst). These heterogeneous catalytic systems do not require a base or reducing agent and operate in alcohol or water.
 
 
 
Chtchigrovsky M, Primo A, Gonzalez P, Molvinger K, Robitzer M, Quignard F, Taran F. (2009). Functionalized Chitosan as a Green, Recyclable, Biopolymer-Supported Catalyst for the [3+2] Huisgen Cycloaddition. Angew Chem-Int Edit. 48, 5916-5920.