Bis-sulfonium salts of 2,5-dimethylstilbene

Details Bis-sulfonium salts of 2,5-dimethylstilbene Bis-sulfonium salts of 2,5-dimethylstilbene

1992-07-14

1993-05-11

Hollrah, Glennon H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549 80, C07D33316

Patent

active

052102190

ABSTRACT:
Novel conjugated stilbenylene polymers are disclosed having non-linear optical properties, and which can be converted to electrically conductive polymers. Such polymers are produced by reacting a novel bis-cycloalkylene sulfonium salt of 2,5-dimethyl stilbene, e.g. 2,5-(4'-methoxy)-stilbene dimethylene bis-(tetramethylene sulfonium bromide), with alkali metal hydroxide to form a cycloalkylene sulfonium salt precursor polymer, and then heating the precursor polymer under conditions to produce the stilbenylene vinylene polymer, e.q. poly(2,5-(4'-methoxy) stilbenylene vinylene).

REFERENCES:
patent: 4818616 (1989-04-01), Milverton et al.
patent: 4950737 (1990-08-01), Heitz et al.
S. Antoun et al., Journal of Polymer Science: Part C: Polymer Letters, 24, pp. 503-509 (1986).
S. Antoun et al., Polymer Bulletin, 15 pp. 181-184 (1986).

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