Patent · US Expired

Preparation of 1,4-butanediol and tetrahydrofuran

US5008408A · kind A · utility

6Cited by

4References

7Claims

0Family size

Assignee

BASF SE

Inventors

Rolf Fischer · Heidelberg, DE
Juergen Frank · Ludwigshafen, DE
Franz Merger · Bischofswerda, DE
Hans-Juergen Weyer · Mannheim, DE

Key dates

Filing date	Mar 7, 1990
Grant date	Apr 16, 1991
Priority date	—
Expiry date	Mar 7, 2010

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C29/141
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Mixtures which contain 1,4-butanediol and tetrahydrofuran are prepared by heating 4-hydroxybutyraldehyde of the formula ##STR1## at 20.degree.-300.degree. C. in the presence or absence of 1,4-butanediol and subjecting the resulting acetals of the formulae ##STR2## to a catalytic hydrogenation at 50.degree.-300.degree. C. and 1-350 bar.

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