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:
Nov. 21, 1989
Filed:
Sep. 02, 1988
Ikuo Iijima, Urawa, JP;
Masakatsu Ozeki, Wako, JP;
Yutaka Saiga, Ageo, JP;
Tohru Ishizuka, Kitamoto, JP;
Kunio Nosaka, Kasukabe, JP;
Tanabe Seiyaku Co., Ltd., Osaka, JP;
Abstract
A novel benzofuran derivative of the formula: ##STR1## wherein R.sup.1 is hydrogen atom, a lower alkoxy group or a halogen atom, one of R.sup.2 and R.sup.3 is a lower alkyl group and the other is a lower alkyl group or a phenyl-lower alkyl group, or R.sup.2 and R.sup.3 combine together with adjacent nitrogen atom to form a heteromonocyclic group, Ring A is a substituted or unsubstituted phenyl group, Y is oxygen atom or sulfur atom and n is an integer of 2 or 3, or a pharmaceutically acceptable salt thereof is disclosed. The compound (I) or a pharmaceutically acceptable salt thereof has a potent inhibitory activity against reflective contractions of urinary bladder.