Patent · US Expired

Novel 3-(phosphoryloxy) and (phosphonyloxy)-thiophenes

US4128562A · kind A · utility

2Cited by
3References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 14, 1977
Grant dateDec 5, 1978
Priority date
Expiry dateNov 14, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F9/655345
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Novel 3-(phosphoryloxy) or (phosphonyloxy)-thiophenes of the formula ##STR1## wherein R is alkyl of 1 to 4 carbon atoms, R.sub.1 is selected from the group consisting of alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms and ##STR2## wherein R' and R" are individually selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms, R.sub.2 is selected from the group consisting of cyano, alkoxy carbonyl of 2 to 4 carbon atoms and ##STR3## wherein Z is selected from the group consisting of phenyl and alkyl of 1 to 4 carbon atoms, R.sub.3 is selected from the group consisting of alkyl of 1 to 6 carbon atoms, alkoxy of 1 to 6 carbon atoms, alkylthio of 1 to 6 carbon atoms, phenyl, morpholino, piperidinyl and alkoxy carbonyl of 2 to 4 carbon atoms and X is selected from the group consisting of oxygen and sulfur having pesticidal properties and their preparation.

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