Patent · US Active

Process 054

US7816545B2 · kind B2 · utility

0Cited by

3References

4Claims

0Family size

Assignee

ASTRAZENECA AB · SE

Inventors

Rhony Aufdenblatten · Visp, CH
Martin Bohlin · Stockholm, SE
Laurent Ducry · Sierre, CH
Ulrika Lindblad · Malung, SE
Mattias Magnusson · Malung, SE

Key dates

Filing date	Nov 14, 2008
Grant date	Oct 19, 2010
Priority date	—
Expiry date	Nov 14, 2028

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D317/44
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention is directed to a process for the preparation of a diastereomerically pure dibenzoyl-L-tartrate salt of a compound of formula (III)and to products of said process.

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