Patent · US Expired

Insecticidal O,S-dialkyl esters of pyridylthio-and-pyridyldithio-phosphoric acids

US3968222A · kind A · utility

5Cited by
3References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 16, 1975
Grant dateJul 6, 1976
Priority date
Expiry dateJan 16, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F9/58
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Pyridylthio- or dithiophosphoric acid esters of the formula ##EQU1## wherein R.sub.1 represents n-propyl, isobutyl, sec.-butyl or n-pentyl, PA1 R.sub.2 represents hydrogen, chlorine, bromine, cyano, nitro, (C.sub.1 -C.sub.4 -alkoxy)carbonyl, mono(C.sub.1 -C.sub.4 -alkyl)carbamoyl or di(C.sub.1 -C.sub.4 -alkyl)carbamoyl, PA1 R.sub.3 represents hydrogen, chlorine, bromine or methyl, and PA1 X represents oxygen or sulphur and their use for combating pests are disclosed.

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