Patent · US Expired

Preparation of butadiene dinitriles

US4410465A · kind A · utility

0Cited by

1References

8Claims

0Family size

Assignee

BASF SE

Inventors

Rolf-Dieter Acker · Leimen, DE
Gerhard Hamprecht · Weinheim, DE

Key dates

Filing date	Jan 8, 1982
Grant date	Oct 18, 1983
Priority date	—
Expiry date	Jan 8, 2002

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D213/85
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Butadiene dinitriles are prepared by reacting a quaternary ammonium compound with malodinitrile in the presence of an alkanol and then reacting the product with an alkali metal compound. The butadiene dinitriles obtainable by the process of the invention are valuable starting materials for the preparation of dyes, pesticides, drugs and vitamins.

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