Patent · US Expired

Process for the stereoselective preparation of 8.alpha., 12-oxido-13, 14,15, 16-tetranorlabdane

US5274134A · kind A · utility

9Cited by

0References

4Claims

0Family size

Assignee

Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

Klaus Bruns · Uerdingen, DE
Theo Stalberg · Monheim, DE

Key dates

Filing date	Oct 11, 1991
Grant date	Dec 28, 1993
Priority date	—
Expiry date	Oct 11, 2011

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11B9/0076
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention relates to a process for the stereo-selective preparation of 8.alpha.,12-oxido-13,14,15,16-tetranorlabdane by dehydration of 8.alpha.,12-dihydroxy-13,14,15,16-tetranorlabdane with acid-charged aluminium oxides.

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