Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kuen Wang Sheu0
Ru Hwu Jih0
Shwu Chen Tsay0
Subhasish K. Chakraborty0
Wei Min Chang0
Asish R. Das0
Balaachary Magendran0
Chin Kun Lu0
...
Date of Patent
October 16, 2007
0Patent Application Number
111795680
Date Filed
July 13, 2005
0Patent Primary Examiner
Patent abstract
The present invention discloses a new process for the synthesis of tamsulosin and its aralkylamine derivatives, especially (R)-(−)-5-{2-[2-(2-alkoxyphenoxy) ethylamino]propyl}-2-alkoxybenzenesulfonamides having the following formula 1 (where R1 and R2 represent C1-C4 alkyl groups) and their hydrochloride thereof, and other various pharmaceutical used salts.
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