Process for preparing flunisolide

Details Process for preparing flunisolide Process for preparing flunisolide

1980-05-16

1981-06-16

Roberts, Elbert L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07J 7100

Patent

active

042737109

ABSTRACT:
A unique crystalline form of flunisolide is prepared by crystallizing flunisolide from a solution of an alkanol of three or four carbon atoms, e.g. n-butanol, containing 0.2 to 5%, preferably 1.0 to 4.0% by volume water.

REFERENCES:
patent: 3197469 (1965-07-01), Fried et al.

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