METHOD FOR PRODUCING QUINOLIN-4(1H)-ONE DERIVATIVE
申请人:NIPPON KAYAKU CO., LTD.
公开号:US20210070710A1
公开(公告)日:2021-03-11
[Problem] The present invention provides a method for producing and isolating a target quinolone derivative using general industrial facilities with high purity.
[Solving means] The present invention also provides a method for producing a quinolone derivative, the method including reacting a ketone with an anthranilic acid derivative using an aluminum halide and removing the aluminum halide under basic conditions.
PROCESS FOR PRODUCING 4-CARBONYLOXYQUINOLINE DERIVATIVES
申请人:Shimano Shizuo
公开号:US20130245271A1
公开(公告)日:2013-09-19
An objective of the present invention is to provide a process for producing 4-carbonyl oxyquinoline derivatives useful as agricultural and horticultural pesticides and fungicides. The objective can be attained by a process for producing 4-carbonyl oxyquinoline derivatives represented by general formula (1), the process including reacting a quinolone derivative with a halogenated compound or an acid anhydride in the presence of a phase transfer catalyst and a base.
PROCESS FOR PRODUCING 6-ARYLOXYQUINOLINE DERIVATIVE AND INTERMEDIATE THEREFOR
申请人:Kato Yasuhito
公开号:US20110118468A1
公开(公告)日:2011-05-19
Disclosed is a process for producing 6-aryloxyquinoline derivatives useful as insecticides or fungicides for agricultural and horticultural use. The process comprises a cyclization reaction step of reacting an anthranilic acid derivative represented by general formula (1) with a ketone in the presence of an acid to obtain a quinolone derivative and a condensation reaction step of reacting the quinolone derivative with a halogen compound or an acid anhydride to obtain a quinoline derivative.