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:
Oct. 21, 1997
Filed:
Jan. 25, 1995
Hitoshi Oinuma, Ibaraki, JP;
Shinji Suda, Ibaraki, JP;
Naoki Yoneda, Ibaraki, JP;
Makoto Kotake, Chiba, JP;
Kenji Hayashi, Ibaraki, JP;
Kazutoshi Miyake, Ibaraki, JP;
Nobuyuki Mori, Ibaraki, JP;
Mamoru Saito, Ibaraki, JP;
Toshiyuki Matsuoka, Ibaraki, JP;
Masayuki Namiki, Ibaraki, JP;
Takeshi Sudo, Ibaraki, JP;
Shigeru Souda, Ibaraki, JP;
Eisai Co., Ltd., Tokyo, JP;
Abstract
The present invention relates to an amino acid derivative having an angiotensin I-converting enzyme inhibition activity, a vasopressin antagonism and an atrial natriuretic peptide hydrolase inhibition activity. This amino acid derivative is represented by the following general formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom or an acyl group; R.sup.2 represents a hydrogen atom, a lower alkyl group, a cycloalkyl group, an ary group which may have a substituent, a heteroaryl group which may have a substituent, an arylalkyl group which may have a substituent or a heteroarylalkyl group which may have a substituent;