Patent · US Active

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

US9499546B2 · kind B2 · utility

0Cited by

125References

8Claims

0Family size

Assignee

Boehringer Ingelheim International GmbH · DE

Inventors

Waldemar Pfrengle · Seibersbach, DE
Thorsten Pachur · Biberach an der Riß, DE
Thomas Nicola · Ingelheim am Rhein, DE
Adil Duran · Biberach an der Riß, DE

Key dates

Filing date	Oct 6, 2014
Grant date	Nov 22, 2016
Priority date	—
Expiry date	Dec 10, 2034

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07B2200/07
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention relates to an improved process for preparing enantiomerically pure 8-(3-aminopiperidin-1-yl)-xanthines.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.