Patent · US Expired

Process for the preparation of pyridine derivatives

US6303790A · kind A · utility

9Cited by

0References

14Claims

0Family size

Assignee

Hoffmann-La Roche Inc. · US

Inventors

Hans Hilpert · Reinach, CH
Fabienne Hoffmann-Emery · Basel, CH
Goesta Rimmler · Bad Krozingen, DE
Mark Rogers-Evans · Bottmingen, CH
Helmut Stahr · Lörrach, DE
Pius Waldmeier · Wegenstetten, CH

Key dates

Filing date	Nov 20, 2000
Grant date	Oct 16, 2001
Priority date	—
Expiry date	Nov 20, 2020

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D213/82
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A process is described for preparing certain 4-alkyl- or 4-aryl-pyridine derivatives.

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