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. 06, 1985
Filed:
Sep. 30, 1983
Applicant:
Inventors:
Assignees:
Yamamoto Chemical Industrial Company, Limited, Wakayama, JP;
Osaka Municipal Government, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
544172 ; 544399 ; 546238 ; 548573 ; 560 53 ; 562463 ; 549403 ; 514869 ; 514929 ;
Abstract
This invention relates to derivatives of 3-propionylsalicylic acid represented by the formula (1) ##STR1## wherein R represents a hydrogen atom, a lower alkyl group or a group ##STR2## (wherein R.sup.1 and R.sup.2 represent a lower alkyl group or R.sup.1 and R.sup.2, when taken together with the nitrogen atom to which they are attached, may form a heterocyclic ring with or without an intervening hetero atom, and n is an integer of 1 to 4), and X represents a hydrogen atom or a halogen atom, R being the group ##STR3## when X is a hydrogen atom. This invention also relates to processes for preparing the same.