Preparation of 2-chloro-5-trichloromethyl pyridine from lower ch

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

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C07D21361

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044979550

ABSTRACT:
A non-catalytic liquid phase chlorination of lower chlorinated beta-picolines comprising 3-trichloromethyl pyridine, 2-chloro-5-dichloromethyl pyridine, or mixtures thereof, to improve the yield of 2-chloro-5-trichloromethyl pyridine, an intermediate useful in the preparation of medicines and agricultural chemicals, especially herbicides.

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