Patent · US Active

Halogenation of pyridine derivatives

US11591312B2 · kind B2 · utility

0Cited by

1References

14Claims

0Family size

Assignee

BASF SE

Inventors

Bernd Mueller · Ludwigshafen, DE
Michael Rack · Eppelheim, DE
Michael Seet · Ludwigshafen, DE
Sascha Hahn · Ludwigshafen, DE

Key dates

Filing date	Jan 14, 2019
Grant date	Feb 28, 2023
Priority date	—
Expiry date	Aug 26, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D213/61
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a process for the preparation of pyridine derivatives of the formula (I) comprising two steps, namely, a selective chlorination followed by a selective fluorination.

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