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:
May. 29, 2007
Filed:
May. 09, 2006
Yoshitomo Tohyama, Ashiya, JP;
Takashi Komori, Osaka, JP;
Yuzuru Sanemitsu, Hyogo, JP;
Sumitomo Chemical Company, Limited, Osaka, JP;
Abstract
The present invention provides a process for producing the pyridine compound [d]: [wherein Rand Rare as defined below],which has an excellent herbicidal activity, by making a pyridine compound [a]: [wherein Rrepresents a C1–C6 alkoxy group, Rrepresents a halogen atom, cyano group or nitro group, and Rρεπρεσεντσ α ηψδρογεν ατομ ορ ηαλογεν ατομ] ρεαχτ ωιτη αν α-diazoester compound [f]:NCHCOR[f][wherein Ris defined above]in the presence of an acid.