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Title:
PROCESS FOR PRODUCING PYRIDINECARBOXAMIDES OR THIOCARBOXAMIDES
Document Type and Number:
WIPO Patent Application WO/1997/024329
Kind Code:
A1
Abstract:
A process for producing N-substituted pyridinecarboxamides or thiocarboxamides which comprises subjecting a metal compound of an optionally substituted pyridine to an addition reaction with a substituted isocyanate or thioisocyanate and then replacing the metal by a proton. It is applicable even to compounds having substituents susceptible to oxidation, and is hence industrially advantageous.

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Inventors:
KANNO HISASHI (JP)
KUBOTA YOSHIKAZU (JP)
Application Number:
PCT/JP1996/003806
Publication Date:
July 10, 1997
Filing Date:
December 26, 1996
Export Citation:
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Assignee:
KUREHA CHEMICAL IND CO LTD (JP)
KANNO HISASHI (JP)
KUBOTA YOSHIKAZU (JP)
International Classes:
A01N43/40; C07D213/81; C07D213/82; C07D213/83; (IPC1-7): C07D213/81; C07D213/82; C07D213/83
Foreign References:
JPH04290805A1992-10-15
US4270946A1981-06-02
US3505344A1970-04-07
JPS5569518A1980-05-26
JPS5013312A1975-02-12
JPH04217959A1992-08-07
JPH01102064A1989-04-19
Other References:
See also references of EP 0881217A4
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