Formoterol polymorphs

Details Formoterol polymorphs Formoterol polymorphs

C - Chemistry, Metallurgy

07

C

C07C 233/43 (2006.01) A61K 9/00 (2006.01) A61K 9/12 (2006.01) A61K 9/14 (2006.01) A61K 31/16 (2006.01) A61P 11/08 (2006.01)

Patent

CA 2333004

A method is disclosed for the preparation of optically pure isomers of formoterol and polymorphs of the novel L-tartrate salt of R,R-formoterol. Pharmaceutical compositions of the polymorphs and salts are also described.

L'invention concerne l'élaboration d'isomères du formotérol et des polymorphes du nouveau L-tartrate du R,R-formotérol optiquement purs. L'invention concerne également des compositions pharmaceutiques des polymorphes et des sels.

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