Patent · US Expired

Preparation of E7/Z9-alkadien-1-ols and their derivatives protected at the hydroxyl group

US5089659A · kind A · utility

7Cited by

1References

7Claims

0Family size

Assignee

BASF SE

Inventors

Christiane Brueckner · Ludwigshafen, DE
Ernst Buschmann · Ludwigshafen, DE
Wolfgang Mackenroth · Bad Dürkheim, DE
Walter Himmele · Monsheim, DE
Heinz Eckhardt · Ludwigshafen, DE

Key dates

Filing date	May 19, 1989
Grant date	Feb 18, 1992
Priority date	—
Expiry date	May 19, 2009

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/55
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

E7/Z9 -alkadien-1-ols which may be protected at the hydroxy group are prepared by subjecting a 7-hydroxyheptenal to a Wittig reaction with a phosphorylide to give an acetal compound which is converted by further Wittig reaction with a phosphorylide to an E7/Z9 -alkadienol.

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