Patent · US Active

Method of preparing chiral cyclic β-aminocarboxamides

US8466318B2 · kind B2 · utility

0Cited by

2References

6Claims

0Family size

Assignee

Boehringer Ingelheim International GmbH · DE

Inventors

Guenter Linz · Mittelbiberach, DE
Gerd Kraemer · Eberhardzell, DE
Zeno Andreas Leuter · Weingarten, DE
Markus Ostermeier · Biberach an der Riß, DE
Werner Rall · Mittelbiberach, DE
Claudia Ochs · Wassertrüdingen, DE
Rolf Schmid · Gelterkinden, CH

Key dates

Filing date	May 15, 2007
Grant date	Jun 18, 2013
Priority date	—
Expiry date	Jun 11, 2029

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C2601/10
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention encompasses a process for preparing compounds of formula (1),wherein a compound of formula (2)is reacted in the presence of a catalyst and a solvent under hydrogen pressure to form a compound of formula (1) and wherein A and R1—R4 are defined herein.

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