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Details for Patent: 5,578,610

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Summary for Patent: 5,578,610

Title: Piperidine derivatives
Abstract:The present invention relates to substantially pure piperidine derivative compounds of the formulae: ##STR1## wherein R.sub.1 is hydrogen or hydroxy; R.sub.2 is hydrogen; or R.sub.1 and R.sub.2 taken together form a second bond between the carbon atoms bearing R.sub.1 and R.sub.2 ; R.sub.3 is --COOH or --COOR.sub.4 ; R.sub.4 has 1 to 6 carbon atoms; A, B, and D are the substituents of their respective rings each of which may be different or the same and are hydrogen, halogens, alkyl, hydroxy, alkoxy, or other substituents. A process of preparing such piperidine derivative compounds in substantially pure form is also disclosed.
Inventor(s): D'Ambra; Thomas E. (Wynantskill, NY)
Assignee: Albany Molecular Research, Inc. (Albany, NY)
Application Number:08/456,273
Patent Claim Types:
see list of patent claims
Compound; Composition; Use; Process;
Patent PDF download available with subscription

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International Patent Family for Patent: 5,578,610

Country Document Number Publication Date Supplementary Protection Certificate SPC Country SPC Expiration
Spain2129130Jun 01, 1999
New Zealand286116Mar 24, 1997
Canada2181089May 23, 2000
Denmark1026147Mar 22, 2004
HungaryT73235Jul 29, 1996
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Preferred citation:

Friedman, Y. Location of pharmaceutical innovation: 2000–2009 Nature Reviews Drug Discovery 9, 835–836 (2010).

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