Patent · US Active

Preparation process

US8222402B2 · kind B2 · utility

0Cited by

1References

30Claims

0Family size

Assignee

Boehringer Ingelheim International GmbH · DE

Inventors

Kathrin Pachur · Schwendi, DE
Stefan Goepper · Bad Herrenalb, DE
Guenther Huchler · Biberach an der Riß, DE
Michael Konrad · Pfronten, DE
Kathrin Maier · Dachau, DE
Werner Rall · Mittelbiberach, DE
Uwe Ries · Biberach an der Riß, DE
Andreas Zopf · Wassertrüdingen, DE

Key dates

Filing date	Aug 12, 2008
Grant date	Jul 17, 2012
Priority date	—
Expiry date	Apr 4, 2029

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D401/14
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A process for preparing compounds of the formula (I)in which R1.1, R1.2, R1.3 and R2 are as defined in the description.

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