Poly(alkylpyridine-2,5-diyl) and preparation thereof

Details Poly(alkylpyridine-2,5-diyl) and preparation thereof Poly(alkylpyridine-2,5-diyl) and preparation thereof

1993-05-27

1995-07-25

Seidleck, James J.

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

Synthetic resins

Nitrogen-containing reactant

C08G 7300

Patent

active

054363160

ABSTRACT:
A polymer including poly(alkylpyridine-2,5-diyl) which has a chemical formula: ##STR1## wherein R is an alkyl group having not less than 3 carbon atoms, and n is a degree of polymerization and is not less than 30, and a process for manufacturing the polymer which includes the steps of (a) providing at least one 2,5-dihalogenated alkylpyridine which includes an alkyl group having not less than 3 carbon atoms; and (b) polymerizing the at least one 2,5-dihalogenated alkylpyridine by adding an effective amount thereto of substance which is effective to remove halogen atoms therefrom, which substance is selected from the group consisting of (a) a metal which is capable of dehalogenating 2,5-dihalogenated alkylpyridine and (b) a compound containing said metal which is capable of dehalogenating 2,5-dihalogenated alkylpyridine.

REFERENCES:
Yamamoto et al., "A Soluble Poly(arylene) . . . ", Chemistry Letters, The Chem. Soc. Jap. (1988) pp. 153-154.
Maruyama et al., "Preparation and Properties . . . ", Chemistry Letters, The Chem. Soc. Jap. (1992) pp. 643-646.
Maruyama et al., ".pi.-Conjugated Soluble . . . ", Macromolecules, Am. Chem. Soc., vol. 26, No. 15 (1993) pp. 4055-4057.
Synthesis, Sep. 1984, pp. 736-738, "A Convenient Synthesis of Bipyridines by Nickel-Phosphine Complex-Mediated Homo Coupling of Halopyridines", Tiecco et al.

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