PROCESS FOR PREPARATION OF 1-(2S,3S)-2-BENZHYDR YL-N-(5-TERT-BUTYL-2-METHOXYBENZYL)QUINUCLIDIN-3-AMINE

PROCESS FOR PREPARATION OF 1-(2S,3S)-2-BENZHYDR YL-N-(5-TERT-BUTYL-2-METHOXYBENZYL)QUINUCLIDIN-3-AMINE

This invention relates to an improved process for the preparation of (2S,3S)-2-benzhydryl-N-(5-tent-butyl-2-methoxybenzyl)quinuclidin-3-amine, (hereinafter "compound of Formula I") and its pharmaceutically acceptable salts. In particular, the invention is directed to an improved synthesis...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: RONALD JAMES POST, JULIAN DUNCAN SMITH, PATRICIA ANN BASFORD, GERALDINE PATRICIA TABER
Format: Patent
Sprache:eng ; por
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:This invention relates to an improved process for the preparation of (2S,3S)-2-benzhydryl-N-(5-tent-butyl-2-methoxybenzyl)quinuclidin-3-amine, (hereinafter "compound of Formula I") and its pharmaceutically acceptable salts. In particular, the invention is directed to an improved synthesis of the monohydrate citrate salt of the compound of Formula (Ia).