Method of preparing 2,3,6-trichloropyridine and 2,3,5,6-tetrachl

Details Method of preparing 2,3,6-trichloropyridine and 2,3,5,6-tetrachl Method of preparing 2,3,6-trichloropyridine and 2,3,5,6-tetrachl

1987-03-30

1989-03-07

Schwartz, Richard A.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D21361

Patent

active

048107972

ABSTRACT:
2,3,6-Trichloropyridine and 2,3,5,6-tetrachloropyridine are prepared by continuously reacting chlorine in the gas phase with one or more compounds such as 2,6-dichloropyridine and 2,3,6-trichloropyridine at a temperature of from about 200.degree. C. in the presence of an amount of catalyst effective to catalyze the reaction.

REFERENCES:
patent: 1977662 (1934-10-01), Wibaut et al.
patent: 3899495 (1975-08-01), Beschke et al.
patent: 4281135 (1981-07-01), Perettie et al.
Patent Abstracts of Japan, vol. 8, No. 46 (C-212) (1483), Feb. 29, 1984.
Chemical Abstracts, 100: 138966j (1984) (Japan, Kokai JP 58,206,564, 12/1/83).

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