Modified Suzuki-method for polymerization of aromatic monomers

Details Modified Suzuki-method for polymerization of aromatic monomers Modified Suzuki-method for polymerization of aromatic monomers

2007-02-06

2007-02-06

Troung, Duc (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From boron-containing reactant

C528S397000, C528S347000, C528S400000, C528S487000

Reexamination Certificate

active

10493643

ABSTRACT:
A process for preparing high molecular weight polymers or copolymers by Suzuki coupling. The catalyst used in the process comprises a source of palladium and a source of a phosphine characterized in that at least one substituent on the phosphine is an ortho substituted aryl group. The process is suitable for the preparation of polymers for use in electronic and optoelectronic applications.

REFERENCES:
patent: 5777070 (1998-07-01), Inbasekaran et al.
patent: WO 96/16449 (1996-05-01), None
patent: WO 00/53656 (2000-09-01), None
Application of “Transfer-Free” Suzuki Coupling Protocols Toward the Synthesis of “Unambiguously Linear” Poly(p-phenylenes), Goodson et al., Macromolecules 31, 1998, pp. 2047-2056.
“Palladium-Catalyzed Synthesis of Pure, Regiodefined Polymeric Triarylamines”, Goodson et al., Journal of the American Chemical Society, 121, 1999, pp. 7527-7539.
“Highly Active Palladium Catalysts for Suzuki Coupling Reactions”, Wolfe et al., Journal of the American Chemical Society, 121, 1999, pp. 9550-9561.
International Search Report in PCT/GB02/04743 dated Feb. 27, 2003.

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