Patent · US Expired

Preparation of 3-methyl-2-buten-1-al

US4192820A · kind A · utility

2Cited by

3References

10Claims

0Family size

Assignee

BASF SE

Inventors

Bernd Meissner · Heidelberg, DE
Werner Fliege
Otto Woerz · Friedelsheim, DE
Christian Dudeck
Hans Diehm · Mannheim, DE

Key dates

Filing date	Mar 28, 1978
Grant date	Mar 11, 1980
Priority date	—
Expiry date	Mar 28, 1998

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C45/67
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

3-Methyl-2-buten-1-al is prepared by isomerizing 3-methyl-3-buten-1-al in the presence of acidic or basic compounds. The product is a starting material for the manufacture of dyes, pesticides, pharmaceuticals, plastics and scents.

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