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:
Sep. 29, 1998
Filed:
Apr. 17, 1997
Chikao Nishino, Yokohama, JP;
Fumitaka Sato, Yokohama, JP;
Tomohiro Uetake, Tokyo, JP;
Hirotada Fukunishi, Yokohama, JP;
Nao Kojima, Tokyo, JP;
Shiseido Co. Ltd., Tokyo, JP;
Abstract
The invention provides a compound which has anti-ulcer effect and antibacterial activity against Helicobacter pyroli. This compound is an alkylenediamine derivative or salt which has a general formula of (1): ##STR1## wherein each of R.sub.4, R.sub.5, and R.sub.6 is hydrogen or lower alkyl; n represents an integer of 1 to 6; Y is --CH.sub.2 --, --O--, or --N(R.sub.7)--, wherein R.sub.7 is lower alkyl, aryl, carbamoyl lower alkyl, aralkyl, or a heterocyclic group having 5 to 9 carbon numbers; and, W is a group expressed by formulas 2 or 3: ##STR2## wherein (1) in formula 2: each of R.sub.1 and R.sub.2 is hydrogen, lower alkoxy, alkenyloxy, or a halogen atom; each of R.sub.3 and R.sub.3 is methyl, prenyl, or geranyl; when one of R.sub.3 and R.sub.3 is prenyl or geranyl, the other must be a methyl group; and X is oxygen or sulfur; and (2) in formula 3, R.sub.10 is a lower alkyl, and R.sub.11 is a halogen atom.