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, polymorphs and pseudomorphs thereof of formulae (I) and (II) which are useful as antihistamines, antiallergic agents and bronchodilators. (see formula I and II) La présente inven...

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Bibliographic Details
Main Authors MCCARTY, FREDERICK J, DEWITT, JILL E, TRIPP, SUSAN I, HENTON, DANIEL
Format Patent
LanguageEnglish
French
Published 17.04.2012
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, polymorphs and pseudomorphs thereof of formulae (I) and (II) which are useful as antihistamines, antiallergic agents and bronchodilators. (see formula I and II) La présente invention se rapporte à de nouveaux procédés de préparation de formes anhydres et hydratées de dérivés de pipéridine, polymorphes et pseudomorphes de ces dernières répondant aux formules (I) et (II). Les substances préparées sont utiles comme antihistaminiques, agents antiallergiques et bronchodilatateurs (voir les formules I et II).
Bibliography:Application Number: CA19952585705