Process for preparation of 2-vinylpyridine from acetylene and ac

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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546350, 546352, 546 4, 252413, 260439R, 260439CY, C07D21312

Patent

active

042660610

ABSTRACT:
A process is described for the catalytic, selective preparation of 2-vinylpyridine from acetylene and acrylonitrile using a cyclopentadienylcobalt catalyst or .pi.-allylcobalt catalyst at elevated temperature in an inert solvent, wherein the acrylonitrile concentration is up to 2 mols/liter and the reaction is carried out at a temperature over 140.degree. C. and up to 180.degree. C., the reaction time being not more than 50 minutes.

REFERENCES:
patent: 3829429 (1974-08-01), Clement
patent: 4006149 (1977-02-01), Bonnemann et al.
patent: 4212978 (1980-07-01), Hardt
Wakatsuki et al. "Synthesis", (1976) No. 1, pp. 26-28.

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