US 8,541,450 B2Granted

Process for the preparation of chiral 8-(3-aminopiperidin-1yl)-xanthines

AssigneeBoehringer Ingelheim International GmbH

InventorsWaldemar Pfrengle, Thorsten Pachur

Life of this patent

Estimating the term…

Abstract

The invention relates to enantiomerically pure 3-(phthalimido)piperidines and processes for preparing enantiomerically pure 3-(phthalimido)piperidines.

Claims2

Dependent claims

(R)-3-(Phthalimido)piperidine D-tartrate.

Dependencies are inferred from the claim text.

Facts

Application: 12/413,851Filed 30 Mar 2009 · division
Priority: DE 10 2004 05 40545 Nov 2004
Published: US 2009/0192314 A130 Jul 2009
Granted: 24 Sep 2013
Term ends: Not estimatedThe source records don’t support an estimate.

Classification17 codes

C07D 401/04
Containing two hetero rings: directly linked by a ring-member-to-ring-member bond
A61P 3/00
Drugs for disorders of the metabolism
A61P 3/04
Drugs for disorders of the metabolism: anorexiants; Antiobesity agents
A61P 3/08
Drugs for disorders of the metabolism: for glucose homeostasis

Family

Application11/267,235Parent of this division · filed 4 Nov 2005
US 2009/0192314 A1Pre-grant publication · published 30 Jul 2009
US 7,820,815 B2Parent of this division
US 2006/0142310 A1Published application
US 8,541,450 B2This patent

From the US filing history. Foreign family members aren’t listed.

Timeline

Citations

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