Patent · US Active

Process for the preparation of chiral hydrazides

US9199919B2 · kind B2 · utility

0Cited by

11References

35Claims

0Family size

Assignee

Sandoz AG · CH

Inventors

Martin Albert · Brixlegg, AT
Dominic De Souza · Regau, AT
Joerg Salchenegger · Kundl, AT
Michael Oberhuber · Bolzano - Bozen, IT

Key dates

Filing date	May 18, 2011
Grant date	Dec 1, 2015
Priority date	—
Expiry date	Jun 8, 2032

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07F7/188
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a process for the preparation of a chiral compound according to formula (V) wherein R1 is preferably an alkyl residue preferably having from 1 to 6 carbon atoms, in particular to a process for the preparation of a chiral compound the crystalline chiral compounds as such, and their use for the preparation of an antifungal agent, in particular posaconazole.

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