The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 15, 2017
Filed:
Apr. 24, 2014
Applicant:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Inventors:
Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 237/12 (2006.01); C07D 237/14 (2006.01); C07D 237/18 (2006.01);
U.S. Cl.
CPC ...
C07D 237/12 (2013.01); C07D 237/14 (2013.01); C07D 237/18 (2013.01);
Abstract
A pyridazine compound represented by formula [1]: which is useful as an active ingredient of a plant disease control agent can be produced, by steps of obtaining a compound represented by formula [3]: by reacting a compound represented by formula [4]: with a compound represented by formula [5]: obtaining a compound represented by formula [2]: by deprotecting the compound [3]; and reacting the compound [2] with a chlorinating agent.