NEW OPTICAL ACTIVE PHENYLETHANOL AMINES AND PREPARING METHOD THEREOF
申请人:Shenyang Pharmaceutical University
公开号:EP2045234A1
公开(公告)日:2009-04-08
The invention provides compounds of formula (I) having (-) or (+) configuration, or pharmaceutically acceptable salts thereof, wherein R1 is H or halo; R2 is CF3, CN, or halo; R3 is linear or branched alkyl having 1 to 6 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 β2- receptor agonist and can be used for the treatment of asthma or bronchitis.
OPTICALLY ACTIVE PHENYLETHANOL AMINES AND PREPARING METHOD THEREOF
申请人:Cheng Maosheng
公开号:US20100022656A1
公开(公告)日:2010-01-28
The invention provides compounds of formula (I) having (−) or (+) configuration, or pharmaceutically acceptable salts thereof, wherein R
1
is H or halo; R
2
is CF
3
, CN, or halo; R
3
is linear or branched alkyl having 1 to 6 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
2
-receptor agonist and can be used for the treatment of asthma or bronchitis.