Patent · US Expired

Perfume compositions containing dimethyl heptenonitriles

US4277377A · kind A · utility

7Cited by
4References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 19, 1980
Grant dateJul 7, 1981
Priority date
Expiry dateMar 19, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C255/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Compounds of the formula: ##STR1## wherein n and m are integers having a value of 1 or 2 and n+m=3 and the dashed line indicates two alternative positions of a unit of unsaturation are novel. They possess attractive spicy odors and are useful as ingredients of compounded perfumery compositions. They are readily prepared by the reaction of methyl iso-amyl ketone and cyano-acetic acid.

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