Patent · US Expired

Cyclic cedrene acetals, their preparation and their use

US5892062A · kind A · utility

8Cited by

1References

3Claims

0Family size

Assignee

DRAGOCO Gerberding & Co. AG · DE

Inventors

Wilhelm Pickenhagen · Rinteln, DE
Dietmar Schatkowski · Stadtoldendorf, DE

Key dates

Filing date	Feb 5, 1998
Grant date	Apr 6, 1999
Priority date	—
Expiry date	Feb 5, 2018

Classification

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

Abstract

Cyclic cedrene acetals of the general formula A are described, in which the wavy lines represent the .alpha.- and .beta.-configurations, and R and R.sub.1 are the radicals below: ##STR1## R=R.sub.1 =H R=H, R.sub.1 =Me/R=Me, R.sub.1 =H PA1 R=H, R.sub.1 =Et/R=Et, R.sub.1 =H PA1 R=H, R.sub.1 =Pr/R=Pr, R.sub.1 =H PA1 R=H, R.sub.1 =Bu/R=Bu, R.sub.1 =H PA1 R=H, R.sub.1 =Iso-Bu/R=Iso-Bu, R.sub.1 =H PA1 R=H, R.sub.1 =Pentyl/R=Pentyl, R.sub.1 =H PA1 R=H, R.sub.1 =Iso-Pentyl/R=Iso-Pentyl, R.sub.1 =H PA1 R=H, R.sub.1 =Hexyl/R=Hexyl, R.sub.1 =H PA1 R=R.sub.1 =Me (.alpha.,.beta.) PA1 R=Me, R.sub.1 =Fl/R=Et, R.sub.1 =Me PA1 R=R.sub.1 =Fl (.alpha.,.beta.) PA1 R=Me, R.sub.1 =Pr/R=Pr, R.sub.1 =Me PA1 R=Pt, R.sub.1 =Pr/R=Pr, R=Et PA1 R=R.sub.1 =Cyclobutyl PA1 R=R.sub.1 =Cyclopentyl PA1 R=R.sub.1 =Cyclohexyl.

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