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. 09, 1988
Filed:
May. 22, 1986
Tanabe Seiyaku Co., Ltd., , JP;
Abstract
Novel quinazolinone compounds of the formula: ##STR1## wherein R is hydrogen atom or a lower alkyl, R.sup.1 is a lower alkyl, a substituted or unsubstituted phenyl or an aralkyl, and R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are the same or different and are each hydrogen atom, a halogen atom, a lower alkyl, a lower alkoxy, a lower alkoxycarbonyl or a lower alkoxycarbonyl-lower alkenyl, or two adjacent groups of R.sup.2,R.sup.3, R.sup.4 and R.sup.5 when taken together form methylenedioxy and the other two are hydrogen atom, and a salt thereof, which are useful for the prophylaxis and treatment of various diabetic complications, and processes for the preparation thereof, and a pharmaceutical composition containing said compound as an active ingredient.