Title:
METHOD FOR PRODUCING PYRIDINE COMPOUND
Document Type and Number:
Japanese Patent JP2023132937
Kind Code:
A
Abstract:
To provide a novel method for producing a pyridine compound useful as a precursor of a heterocyclic amide compound useful as a herbicide.SOLUTION: There is provided a method for producing a pyridine compound represented by the formula (1), which comprises: a step of reacting a cyanoacetate ester compound represented by the formula (2) with an enone compound represented by the formula (3) in the presence of a base, followed by cyclization reaction by acid treatment to form a pyridine compound represented by the formula (1); a step of extracting the resulting reaction product into an aqueous layer, followed by re-extracting into an organic layer; and a step of purifying the reaction product. (wherein, R1 represents an alkyl group having 1 to 3 carbon atoms and R2 represents an alkyl group having 1 to 4 carbon atoms.)SELECTED DRAWING: None
Inventors:
NAKAYA KIYOHIKO
IYOBE YOKO
NANJO YUSUKE
IYOBE YOKO
NANJO YUSUKE
Application Number:
JP2022038547A
Publication Date:
September 22, 2023
Filing Date:
March 11, 2022
Export Citation:
Assignee:
NISSAN CHEMICAL CORP
International Classes:
C07D213/803
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