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:
Aug. 29, 2006
Filed:
Sep. 25, 2002
Maosheng Cheng, Shenyang, CN;
LI Pan, Shenyang, CN;
Lie Ji, Shenyang, CN;
LI Zhang, Shenyang, CN;
Jianmin Shen, Shenyang, CN;
Guilan Song, Jinzhou, CN;
Zhiging LI, Jinzhou, CN;
Maosheng Cheng, Shenyang, CN;
Li Pan, Shenyang, CN;
Lie Ji, Shenyang, CN;
Li Zhang, Shenyang, CN;
Jianmin Shen, Shenyang, CN;
Guilan Song, Jinzhou, CN;
Zhiging Li, Jinzhou, CN;
Shenyang Pharmaceutical University, Shenyang, CN;
Jinzhou Jiutai Pharmaceutical Co., Ltd., China, Jinzhou, CN;
Abstract
The invention provides compounds of formula (I) and pharmaceutically acceptable salts thereof, wherein Ris H, chlorine, or bromine; Ris electron attractive groups selected from the group consisting of CF, CN, fluorine, CHSO, CFSO, and NO; Ris linear or branched alkyl having 1 to 10 carbon atoms, linear or branched alkoxyalkyl having 2 to 10 carbon atoms, aliphatic alcohol having 1 to 10 carbon atoms, or cycloalkyl having 3 to 6 carbon atoms. The invention also relates to methods for preparing the said compounds and the composition comprising the same. The compounds of the present invention have the effect of β-receptor agonist and can be used for the treatment of asthma and bronchitis