Designing Phase Selectively Soluble Polymer-Supports for Dimethylaminopyridine and Phosphine-Ligated Pd(0) Catalysts |
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Authors: | Khamatnurova Tatyana V. Johnson Mitchel Santana David Bazzi Hassan S. Bergbreiter David E. |
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Affiliation: | 1.Department of Chemistry, Texas A&M University, College Station, TX, 77842-3012, USA ;2.Department of Chemistry, Texas A&M University at Qatar, P.O. Box 23874, Doha, Qatar ; |
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Abstract: | Soluble poly(4-alkylstyrene) containing 4-methyl-, 4-tert-butyl, 4-dodecyl-, and 4-octadecylstyrene were formed either with monomers containing dyes-, ligands, or catalysts or with 5–10 mol% of 4-chloromethylstyrene and studied as supports for ligands or catalysts. Studies with dye-labeled polymers showed that polymers containing longer alkyl groups alone or at ca. 10 mol% loading are highly soluble in heptane can be used to separate and recycle organo- and transition metal catalysts. |
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