Process for preparing anyhdrous and hydrate forms of antihistaminic piperidine derivatives, polymorphs and pseudomorphs thereof

The present invention is related to novel processes for preparing anhydrous and hydrated forms of piperidine derivatives, polymorphs and pseudomorphs thereof of the formulas which are useful as antihistamines, antiallergic agents and bronchodilators.

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Bibliographic Details
Main Authors MCCARTY FREDERICK J, DEWITT JILL E, HENTON DANIEL R, TRIPP SUSAN I
Format Patent
LanguageEnglish
Published 19.12.2002
Edition7
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Summary:The present invention is related to novel processes for preparing anhydrous and hydrated forms of piperidine derivatives, polymorphs and pseudomorphs thereof of the formulas which are useful as antihistamines, antiallergic agents and bronchodilators.
Bibliography:Application Number: US20020128926