Patent · US Expired

1,1-dialkoxy- or 1,1-(alpha, omega-methylenedioxy)-non-2-yn-9-01 and their OH-protected derivatives

US4877891A · kind A · utility

4Cited by

1References

1Claims

0Family size

Assignee

BASF SE

Inventors

Rainer Becker · Bad Dürkheim, DE
Walter Seufert · Speyer, DE
Ernst Buschmann · Ludwigshafen, DE
Christiane Bruchner · Ludwigshafen, DE

Key dates

Filing date	Aug 5, 1988
Grant date	Oct 31, 1989
Priority date	—
Expiry date	Aug 5, 2008

Classification

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

Abstract

1,1-dialkoxy- or 1,1-(.alpha.,.omega.-methylenedioxy)-non-2-yn-9-ol and their OH-protected derivatives of the general formula I ##STR1## where R.sup.1 and R.sup.2 are each C.sub.1 -C.sub.6 -alkyl or together form an alkylene chain of 2 to 5 carbon atoms and X is hydrogen or a protective group which can be eliminated, their preparation and their use as intermediates.

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