Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1979-09-04
1981-03-17
Rotman, Alan L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C07D21304
Patent
active
042568951
ABSTRACT:
The nuclear iodine substituents borne by an iodopyridine are displaced by introducing gaseous chlorine into the mixture at a temperature of from about 100.degree. C. to about 250.degree. C. The displacement of iodine produces chloropyridines, which can then be conveniently separated from the liberated iodine by conventional methods such as distillation.
REFERENCES:
patent: 4158674 (1979-06-01), Morris
Steiner Edwin C.
Vrieland G. Edwin
Glenn Michael L.
Rotman Alan L.
The Dow Chemical Company
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