C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 211/56 (2006.01)
Patent
CA 2162400
The present invention relates to a novel process for preparing and resolving 3-amino-2-phenylpireridine and for synthesizing from the enantiomers of such compound certain pharmaceutically active substituted 2-phenyl-3-benzylaminopiperidines. The substituted 2-phenyl-3- benzylaminopoperidines that can be prepared by the processes of this invention are substance P receptor antagonists and are useful in the treatment and prevention of inflammatory and central nervous system disorders, as well as several other disorders.
La présente invention se rapporte à un nouveau procédé de préparation et de résolution de 3-amino-2-phénylpipéridine, et de synthèse, à partir des énantiomères de ce composé, de certaines 2-phényl-3-benzylaminopipéridines substituées pharmaceutiquement actives. Les 2-phényl-3-benzylaminopipéridines substituées, qui peuvent être préparées par les procédés de cette invention, sont des antagonistes du récepteur de la substance P et sont utiles dans le traitement et la prévention de troubles inflammatoires et de troubles du système nerveux central ainsi que de plusieurs autres maladies.
Snyder William M.
Watson Harry A. Jr.
Wilcox Glenn E.
Pfizer Inc.
Smart & Biggar
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