Patent · US Expired

1-(3-Pyridyl)-2,2,2-trihaloethyl compounds

US4189486A · kind A · utility

1Cited by
3References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 23, 1977
Grant dateFeb 19, 1980
Priority date
Expiry dateDec 23, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D213/30
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

1-(3-Pyridyl)-2,2,2-trihaloethyl compounds of the general formula I ##STR1## in which n is 0 or 1, R represents oxygen, hydrogen or an organic radical having at the most 12 C-atoms, m is 0 when R is oxygen, m is 1/2 or 1 when R is hydrogen or an aliphatic or aralkyl radical, and X represents a negative ion, R' represents a radical of the general formula II ##STR2## wherein V, Y, Z represent chlorine or bromine and may be identical or different, but are preferably identical; A represents hydrogen or a radical of the general formula III ##STR3## wherein B' is oxygen or sulphur, and B stands for an organic radical having up to 12 C atoms, or for an amino group of the general formula IV ##STR4## wherein F and D are identical or different, and represent hydrogen or organic radicals having at most 12 C-atoms; A may further be a sulphonyl group of the general formula --SO.sub.2 --B, in which B has the same meaning as in formula III. The invention also relates to a process of making the compounds, which are effective ingredients of fungicides and seed-dressing agents.

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