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:
Sep. 22, 1987

Filed:

Aug. 29, 1985
Applicant:
Inventors:

Yasushi Suzuki, Yokohama, JP;

Yukio Hasegawa, Yamato, JP;

Michitaka Sato, Kawasaki, JP;

Morinobu Saito, Kawasaki, JP;

Norio Yamamoto, Kawasaki, JP;

Katsuhiko Miyasaka, Atsugi, JP;

Takashi Mikami, Yokohama, JP;

Katsuhiko Miyazawa, Kawasaki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514415 ; 548511 ;
Abstract

A compound represented by the formula ##STR1## wherein R.sub.1 represents a lower alkyl group; each of R.sub.2 and R.sub.3 represents an alkyl group having 1 to 3 carbon atoms; and each of R.sub.4, R.sub.5 and R.sub.6 represents a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group, a lower alkanoyloxy group, an aralkyloxy group, a lower alkylthio group, a lower haloalkyl group, a hydroxyl group, a cyano group, a nitro group, an amino group, a mono- or di-(lower alkyl or aralkyl)amino group or a group of the formula ##STR2## in which R.sub.7 represents a lower alkylene group having at least 2 carbon atoms, one of R.sub.8 and R.sub.9 represents a hydrogen atom or a lower alkyl group and the other represents a lower alkyl group, and R.sub.10 represents a hydrogen atom or a lower alkyl group; or any two of R.sub.4, R.sub.5 and R.sub.6 which are adjacent to each other, together, represent a lower alkylenedioxy group, and a salt thereof; and a process for production thereof. This compound has 5-lipoxygenase inhibiting activity and is useful as a medicament.


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