Preparation of R-5- (2-(2-Ethoxyphenoxyetylamino) -2-Methoxybenzen-Sulphonamide Hydrochloride of High Chemical

• Main Authors: COPAR ANTON, FURLAN BORUT
• Format: Patent
• Language: English
• Published: 07.02.2008
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMISTRY; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; METALLURGY; ORGANIC CHEMISTRY; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES; SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS

In the present invention, the process for the preparation of tamsulosin hydrochloride and subsequent purification with thermal crystallisation to provide essentially pure tamsulosin hydrochloride is disclosed.