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;

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