Patent · US Expired

Continuous process for the cyanoalkylation of compounds having one or more NH functions

US6861548B2 · kind B2 · utility

0Cited by

5References

30Claims

0Family size

Assignee

BASF SE

Inventors

Thomas Greindl · Bad Dürkheim, DE
Gerold Braun · Ludwigshafen, DE
Friedrich Wirsing · Speyer, DE
Georg Krug · Bad Kissingen, DE

Key dates

Filing date	Sep 9, 2002
Grant date	Mar 1, 2005
Priority date	—
Expiry date	Jan 16, 2023

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/582
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention relates to a continuous process, carried out in two steps, for the cyanoalkylation of compounds having one or more NH functions by reaction thereof with carbonyl compounds and hydrocyanic acid, in which the first step is carried out without pressure at a temperature which is below the boiling point of the reaction mixture.

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