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:
Dec. 12, 1995
Filed:
Oct. 04, 1994
Applicant:
Inventors:
Assignee:
Ishihara Sangyo Kaisha Ltd., Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546346 ;
Abstract
A method for producing a substituted pyridine derivative of the formula (II): ##STR1## wherein each of R.sup.1, R.sup.2, R.sup.3 and R.sup.4 is a hydrogen atom, a halogen atom or an alkyl group, and m is an integer of from 1 to 3, which comprises reducing a substituted trichloromethylpyridine derivative of the formula (I): ##STR2## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are as defined above, with use of acetic acid, hydrochloric acid or sulfuric acid, as a proton donor, and zinc, tin or a mixture thereof, as a reducing agent.
Awazu, Takao. (1995). Method for producing substituted pyridine derivatives (U.S. Patent No. 5475112). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5475112
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile