Patent · US Expired

Phenylacetylene derivatives

US6174839A · kind A · utility

0Cited by
18References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 23, 1999
Grant dateJan 16, 2001
Priority date
Expiry dateFeb 23, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F7/0812
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention is related to a novel phenylacetylene derivates of formula: ##STR1## wherein X represents hydrogen, halogen, optionally substituted C.sub.1-6 alkyl; Y represents hydrogen, halogen, cyano, nitro, optionally substituted C.sub.1-6 alkyl, C.sub.1-6 alkoxy, C.sub.3-8 cycloalkoxy, optionally substituted C.sub.1-6 alkylthio, C.sub.3-8 cycloalkylthio, C.sub.1-6 alkylsulfinyl, optionally substituted C.sub.1-6 alkylsulfonyl, C.sub.3-8 cycloalkylsulfonyl, C.sub.1-6 alkylsulfonyloxy, optionally substituted sulfonamide, optionally substituted carboxamide, etc., or Y may form together with Z which is bonded to the vicinal carbon atom a 5- or 6-membered ring; n is 0 or 1; Z represents hydrogen or halogen; m is 1 or 2; R represents hydrogen, halogen, C.sub.1-6 alkyl, tri(C.sub.1-6 alkyl)silyl, COOR.sup.c or CONR.sup.d R.sup.e ; Q represents a heterocyclic group, and their use as herbicid.

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