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. 09, 2000
Filed:
Dec. 21, 1998
Applicant:
Inventors:
Hiroshi Ikawa, Tokyo, JP;
Masato Nishimura, Oume, JP;
Assignee:
Fujirebio Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546342 ;
Abstract
A method of producing a 2-naphthamide derivative of formula (I) that can be employed as an antiallergic agent or an agent for curing allergosis, and compounds for producing the 2-naphthamide derivative are provided: ##STR1## wherein R.sup.1 and R.sup.2 are each independently an unsubstituted or substituted aromatic hydrocarbon group, or an unsubstituted or substituted aromatic heterocyclic group; R.sup.3 is an acyl group, an alkoxylcarbonyl group, a substituted carbamoyl group, or an unsubstituted or substituted alkyl group.