Patent · US Expired

Cyclopropane carboxylic acid derivatives

US4556666A · kind A · utility

4Cited by
11References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 12, 1983
Grant dateDec 3, 1985
Priority date
Expiry dateOct 12, 2003

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D233/74
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

All stereoisomeric forms and mixtures of stereoisomers of compounds of the formula ##STR1## wherein X is selected from the group consisting of oxygen, sulfur, sulfoxide and sulfone, R.sub.1 and R.sub.3 are individually selected from the group consisting of optionally unsaturated alkyl of 1 to 7 carbon atoms and optionally unsaturated cycloalkyl of 3 to 7 carbon atoms optionally substituted with at least one halogen and optionally interrupted with at least one heteroatom and aryl and aralkyl of 6 to 18 carbon atoms and R.sub.2 is the residue of a R.sub.2 OH alcohol used in pyrethrinoids synthesis having pesticidal activity and their preparation and novel intermediates.

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