Patent · US Expired

Method for preparing 3-(methylthio)propanal

US7119233B2 · kind B2 · utility

5Cited by

9References

34Claims

0Family size

Assignee

Degussa AG · DE

Inventors

Frank Dubner · Friedberg, DE
Christoph Weckbecker · Gelnhausen, DE

Key dates

Filing date	Aug 5, 2005
Grant date	Oct 10, 2006
Priority date	—
Expiry date	Aug 5, 2025

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C319/18
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A method for preparing 3-(methylthio)propanal and 2-hydroxy-4-(methylthio)butanenitrile by catalyzed addition of methylmercaptan to acrolein and hydrogen cyanide to 3-(methylthio)propanal.

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