Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
John Blacker0
Date of Patent
August 5, 2008
0Patent Application Number
118364220
Date Filed
August 9, 2007
0Patent Primary Examiner
Patent abstract
The present invention relates to a novel process for obtaining (1S,4S)N-methyl-4-(3,4-dichlorophenyl)-1,2,3,4-tetrahydro-1-naphthaleneamine from a mixture of its isomers. The process involves isomerising the 1-position and the 4-position and effecting separation of the desired isomer by methods such as fractured crystallization. The process can be operated as a continuous process.
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