Intermediates and processes for preparing benzothiophene...

Details Intermediates and processes for preparing benzothiophene... Intermediates and processes for preparing benzothiophene...

C - Chemistry, Metallurgy

07

D

C07D 409/12 (2006.01) C07D 333/56 (2006.01) C07D 413/12 (2006.01)

Patent

CA 2145614

The present invention provides a novel process for preparing a compound of formula I Image I wherein R1 and R2 combine to form C4-C6 polymethylene, -CH2CH(CH3)CH2CH2-, -CH2C(CH3)2CH2CH2-, or -CH2CH2OCH2CH2-; or a pharmaceutically acceptable salt or solvate thereof, comprising a) reacting a compound of formula II Image II with a compound of formula III Image III

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