Patent · US Expired

Acetyl-tri-and-tetramethyl-octahydronaphthalenes and fragrance compositions containing same

US5180709A · kind A · utility

3Cited by
2References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 31, 1991
Grant dateJan 19, 1993
Priority date
Expiry dateMay 31, 2011

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D311/20
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention concerns novel odorants of formula I wherein R is hydrogen or methyl. ##STR1## The invention also concerns fragrance compositions containing I. Formula I is intended to particularly embrace as the racemates, (.+-.)-3.alpha.-acetyl-3.beta.,4.beta.,5,5-tetramethyl-2,3,4,4a.beta.,5,6, 7,8-octahydronapthalene and (.+-.)-3.alpha.-acetyl-4.beta.,5,5-trimethyl-2,3.beta.,4,4a.beta.,5,6,7,8- octahydronapthalene.

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