Polymer-bound photosensitizing catalysts and photosensitized...

Details Polymer-bound photosensitizing catalysts and photosensitized... Polymer-bound photosensitizing catalysts and photosensitized...

B - Operations, Transporting

01

J

252/121, 204/91.

B01J 31/06 (2006.01) B01J 49/00 (2006.01)

Patent

CA 1044639

ABSTRACT Polymer-bound photosensitizing catalysts are effective in the heterogeneous catalysis of various photosensitized chemical reaction, such as photooxidation reactions, photo- dimerisation reactions, and photocycloaddition reactions, and are thereafter readily separated from the reaction medium and reaction products by simple filtration. The polymer-bound photosensitizing catalysts comprise the nucleophilic displace- ment reaction product of (A) a polymeric material having attached thereto an available leaving group which is capable of being displaced in a nucleophilic displacement reaction with a nucleophilic reagent and (B) a photosensitizing catalytic compound containing in its molecule a nucleophile which is capable of displacing the leaving group attached to the polymeric material in a nucleophilic displacement reaction.

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