Patent · US Expired

Method of imparting a pleasant odor

US4521331A · kind A · utility

6Cited by
3References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 2, 1982
Grant dateJun 4, 1985
Priority date
Expiry dateNov 2, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D333/32
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

All possible isomeric forms and mixtures thereof of a compound of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of alkyl of 1 to 8 carbon atoms and alkenyl of 2 to 8 carbon atoms and R is selected from the group consisting of (a) hydrogen, (b) alkyl of 1 to 12 carbon atoms and alkenyl and alkynyl of 2 to 12 carbon atoms optionally substituted with cyano, saturated or unsaturated cycloalkyl or bicycloalkyl of 3 to 12 carbon atoms also optionally substituted, and optionally interrupted by an oxygen atom or containing a keto group, (c) cycloalkyl of 3 to 12 carbon atoms optionally having at least one double bond and at least one alkyl substituent of 1 to 4 carbon atoms, (d) aryl, arylalkyl, aralkenyl and aralkynyl of 6 to 20 carbon atoms optionally substituted on the aryl ring and the alkyl, alkenyl or alkynyl being optionally interrupted with an oxygen or containing a ketone group and (e) heteroaryl, heteroaralkyl, heteroaralkenyl and heteroaralkynyl optionally substituted on the heteroaryl ring and the alkyl, alkenyl and alkynyl being optionally interrupted with an oxygen atom or having a keto group with the proviso that R is not methyl when R.sub.1 is 2…

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