Vapor phase catalytic chlorination of β-picoline

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

Reexamination Certificate

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Reexamination Certificate

active

07345177

ABSTRACT:
2-Chloro-5-trichloromethylpyridine is obtained by chlorinating β-picoline in the vapor phase using a Mordenite zeolite or a supported palladium catalyst.

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patent: 5247093 (1993-09-01), Toomey

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