Processes for preparing anhydrous 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 (I) and (II) of anti-hypersusceptibility agent and bronchia dilatation agent, polymorphs and pseudomorphs thereof of the formulas.

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Bibliographic Details
Main Authors MCCARTY FREDERICK J, DEWITT JILL E, HENTON DANIEL R, TRIPP SUSAN I
Format Patent
LanguageChinese
English
Published 04.07.2012
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 (I) and (II) of anti-hypersusceptibility agent and bronchia dilatation agent, polymorphs and pseudomorphs thereof of the formulas.
Bibliography:Application Number: CN200610103142