Process for the synthesis of sublimable oligomers based on pheny

Details Process for the synthesis of sublimable oligomers based on pheny Process for the synthesis of sublimable oligomers based on pheny

1991-06-25

1993-11-30

Niebling, John

Chemistry: electrical and wave energy

Processes and products

204 59R, C25B 300

Patent

active

052661725

ABSTRACT:
The present invention relates to a process for the preparation of sublimable oligomers based on phenylene, linear and of controlled length, by electrochemical coupling of two lower oligomers within a monocompartmental cell with three electrodes, in the presence of an organometallic catalyst, characterized in that it comprises:

REFERENCES:
patent: 4836574 (1989-09-01), Maurice et al.
patent: 4911801 (1990-03-01), Pons
patent: 4986886 (1991-01-01), Wei et al.
patent: 5069823 (1991-12-01), Sato et al.
Chemical Abstract 109: 158525d Oct. 31, 1988.
Chemical Abstract 112: 127714x Apr. 2, 1990.
Schiavon et al "Coupling of organic halides electrocatalyzed by the Ni.sup.11 /N.sup.1 /Ni.sup.0PPh.sub.3 System" Journal of Chemical Society, Dalton Transactions vol. 5, 1981, pp. 1074-1081.

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