Arene-ruthenium complexes immobilized on polymers, catalysts...

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Phosphorus or compound containing same

Reexamination Certificate

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C525S326100, C556S016000

Reexamination Certificate

active

07348290

ABSTRACT:
A novel polymer-supported arene-ruthenium complex represented by the following formula:, wherein A represents an organic polymer with a side chain containing an aromatic ring coordinated to Ru, X1and X2represent the same or different halogen atoms, and R represents a hydrocarbon group that may have a substituent is provided for use as a catalyst. This novel polymer-supported arene-ruthenium complex and catalyst thereof can be produced by a simple process, are stable and easy to recover, have a high catalytic activity, and can be used for various organic synthesis reactions. Novel methods for an organic synthesis reaction such as ring-opening metathesis reaction of an olefin compound and reduction of a carbonyl group, using the catalyst are provided.

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Noels, 2000, EP 0970972.
Ryo Akiyama et al., “A Novel Polymer-Supported Arene-Ruthenium Complex for Ring-Closing Olefin Metathesis,”Angew. Chem. Int. Ed., vol. 41, No. 14, pp. 2602-2604 (2002).

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