Preparation and use of new solvates of beclomethasone...

Details Preparation and use of new solvates of beclomethasone... Preparation and use of new solvates of beclomethasone...

C - Chemistry, Metallurgy

07

J

260/69

C07J 5/00 (2006.01)

Patent

CA 1274503

ABSTRACT OF THE DISCLOSURE Preparation of novel solvates of Beclomethasone 17,21-dipropionate, by dissolution of Beclomethasone 17,21- dipropionate in an ethereal or halogenated hydrocarbon sol- vent and precipation by the addition of di-isopropyl ether. These new solvates are bulk-stable, in both the micronised and non-micronised forms. The micronised form is especially suitable for the preparation of stable aerosols.

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