Patent · US Expired

Method for the carbonylation of pentenoic acid and its derivatives thereof

US6844463B2 · kind B2 · utility

9Cited by

6References

12Claims

0Family size

Assignee

BASF SE

Inventors

Michael Slany · Tauberbischofsheim, DE
Martin Schäfer · Arnstadt, DE
Michael Roper · Monsheim, DE

Key dates

Filing date	Dec 3, 2001
Grant date	Jan 18, 2005
Priority date	—
Expiry date	Dec 3, 2021

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C67/38
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Process for the carbonylation of n-pentenoic acid or its derivatives of the formula (I)C4H7—R1 (I)where R1 is —CN or COOR2 where R2 is hydrogen, alkyl or aryl by reaction of a compound of the formula (I) with carbon monoxide and a compound (II) containing a hydroxyl group in the presence of a catalyst system, wherein the catalyst system is obtainable by reaction of

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