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:
Feb. 21, 1984
Filed:
Aug. 25, 1982
Applicant:
Inventors:
Takehiro Amano, Urawa, JP;
Kensei Yoshikawa, Kitamoto, JP;
Tatsuhiko Sano, Ohmiya, JP;
Yutaka Ohuchi, Ohmiya, JP;
Michihiro Ishiguro, Kurashiki, JP;
Manzo Shiono, Kurashiki, JP;
Yoshiji Fujita, Kurashiki, JP;
Takashi Nishida, Kurashiki, JP;
Assignee:
Taisho Pharmaceutical Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07L / ;
U.S. Cl.
CPC ...
560 56 ; 560100 ; 560101 ; 560102 ; 560104 ; 560105 ; 562493 ; 562495 ; 562496 ; 546 89 ; 546121 ; 548224 ; 548565 ; 549 79 ;
Abstract
A process for producing an .alpha.-arylalkanoic acid ester represented by the general formula ##STR1## wherein Ar represents an aryl group which may optionally be substituted, and R.sup.1 and R.sup.2, independently from each other, represent a lower alkyl group, which comprises reacting a Grignard reagent prepared from an aryl halide of the general formula