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.

Date of Patent:
Aug. 15, 1995

Filed:

Apr. 20, 1994
Applicant:
Inventors:

Yasuo Isomura, Ibaraki, JP;

Seijiro Akamatsu, Ibaraki, JP;

Toru Yoden, Ibaraki, JP;

Masafumi Kudou, Ibaraki, JP;

Akira Suga, Ibaraki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562621 ; 562623 ;
Abstract

##STR1## A compound represented by general formula (I), a pharmaceutical composition containing same, a process for the production thereof, and an intermediate therefor. In formula (I) R.sup.1 represents lower alkyl which may be substituted by a substituent selected from the group consisting of mercapto, lower alkylthio, arylthio and lower acylthio; R.sup.2, R.sup.3 and R.sup.4 may be the same or different from one another and each represents lower alkyl; X represents oxygen or sulfur; and Y represents a single bond or lower alkylene. The compound (I) has a matrix metalloprotease inhibitory activity and is useful for preventing and treating diseases caused by the progress of connective tissue breakage.


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