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:
May. 09, 1989
Filed:
Dec. 02, 1987
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
Novel benzo-furan(or -thiophene) derivative of the formula: ##STR1## wherein R.sup.1 is hydrogen atom, a lower alkyl group, a cycloalkyl group, a phenyl-lower alkyl group or a substituted or unsubstituted phenyl group, R.sup.2 is hydrogen atom, a lower alkyl group, an acyl group or phenyl group, R.sup.3 is hydrogen atom, a halogen atom, nitro group, a lower alkoxy group, amino group or an acylamino group, R.sup.4 is a group of the formula: ##STR2## A is a lower alkylene group optionally substituted with hydroxy group, B is single bond or a lower alkylene group, one of R.sup.5 and R.sup.6 is hydrogen atom or a lower alkyl group and the other is a lower alkyl group or a phenyl-lower alkyl group, or R.sup.5 and R.sup.6 combine together with adjacent nitrogen atom to form a heteromonocyclic group, R.sup.7 is a lower alkyl group, X is oxygen atom or sulfur atom, Y is oxygen atom, imino group, a lower alkylimino group or a phenyl-lower alkylimino group and a salt thereof are disclosed. Said compound (I) and a salt thereof have a potent inhibitory activity against reflective contraction of urinary bladder.