Patent · US Active

Process for the preparation of halogenated hydrocarbons with at least 3 carbon atoms in the presence of iron and a phosphite

US7947856B2 · kind B2 · utility

0Cited by

6References

10Claims

0Family size

Assignee

SOLVAY (Société Anonyme) · BE

Inventors

Veronique Mathieu · Wavre, BE
Francine Janssens · Vilvoorde, BE

Key dates

Filing date	Oct 5, 2007
Grant date	May 24, 2011
Priority date	—
Expiry date	Dec 7, 2027

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C17/278
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A telomerisation process is described whereby haloalkanes like tetrachloromethane are added to halogenated olefins like 2-chloroprop-1-ene in the presence of an iron catalyst and a phosphite. The reaction products, e.g. 1,1,1,3,3-pentachlorobutane, can be fluorinated.

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