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:
Mar. 05, 1996
Filed:
Dec. 22, 1993
Takeda Chemical Industries, Ltd., Osaka, JP;
Abstract
This invention relates to a compound represented by the formula ##STR1## wherein the ring A stands for a 5-10 membered aromatic heterocyclic group optionally having, besides R.sup.1 and R.sup.2, further substituents; R.sup.1 stands for an optionally substituted hydrocarbon residue which is optionally bonded through a hetero-atom; R.sup.2 stands for a group capable of liberating proton in a living body or a group convertible thereinto; R.sup.3 stands for an 5-7 membered optionally substituted heterocyclic residue having, as a group capable of constituting the ring, carbonyl group, thiocarbonyl group, an optionally oxidized sulfur atom or a group convertible into them; X shows that the ring Y and the ring W are bonded to each other directly or through a spacer having an atomic length of two or less; the ring W and the ring Y are each an optionally substituted aromatic hydrocarbon or aromatic heterocyclic residue; and n denotes an integer of 1 to 3, or a salt thereof and to an angiotensin II antagonistic agent containing the compound (I) or a salt thereof.