Optically active phenylethanol amines and preparing method thereof
AssigneeShenyang Pharmaceutical University
InventorsMaosheng Cheng, Li Pan, Dongkai Wang, Ruijuan Xing, Xuyao Chen, Dongmei Zhao
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Abstract
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.
Claims10
Compounds of formula (I) having (−) configuration,
- 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,
- or pharmaceutically acceptable salts thereof.
Dependencies are inferred from the claim text.