Method for preparing chlorine-containing derivatives of pyridine

Details Method for preparing chlorine-containing derivatives of pyridine Method for preparing chlorine-containing derivatives of pyridine

1985-08-19

1989-02-14

Lee, Mary C.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

570181, 570189, C07D21361, C07C 1700, C07C 2118

Patent

active

048047635

ABSTRACT:
The reactions of chlorination of the pyridine compounds are conducted by means of molecular chlorine, with the use, as free-radical forming initiator, of a decachlorobutane or an octachlorobutene such as octachlorobutene-1 or a crude mixture of these chlorine-containing products obtained by additive chlorination of hexachlorobutadiene-1,3.
Good rates of conversion are obtained, and good yields at moderate temperatures.
The method is applied, for example, to the chlorination of pyridine and beta-picoline.

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