Global Patent Index - EP 1272475 A1

EP 1272475 A1 20030108 - 2-PHENYL-2H-PYRIDAZINE-3-ONES

Title (en)

2-PHENYL-2H-PYRIDAZINE-3-ONES

Title (de)

2-PHENYL-2H-PYRIDAZIN-3-ONE

Title (fr)

2-PHENYLE-2H-PYRIDAZINE-3-ONE

Publication

EP 1272475 A1 20030108 (DE)

Application

EP 01929551 A 20010412

Priority

  • DE 10018632 A 20000414
  • EP 0104213 W 20010412

Abstract (en)

[origin: WO0179182A1] The invention relates to 2-phenyl-2H-pyridazine-3-ones of general formula (I), wherein the variables R<1>, R<2>, X, Y and Z have the following meanings: X represents halogen; Y represents fluorine or chlorine; Z represents oxygen; R<1> represents hydrogen or C1-C4 alkyl; R<2> represents chlorine, OR<3> or NR<4>R<5>, wherein R<3>, R<4> and R<5> have the meanings as cited in Claim No. 1; Z can also represent a group NR<6> if R<2> represents a group OR<7>, wherein R<6> and R<7> have the meanings as cited in Claim No. 1. The invention also relates to the agriculturally suitable salts of compounds of formula (I). The invention additionally relates to the use of compounds (I) and the salts thereof as herbicides and/or for the desiccation and/or defoliation of plants, to herbicidal agents, and to agents for desiccating and/or defoliating plants, which contain, as active substances, compounds (I) and/or the salts thereof. Lastly, the invention relates to methods for controlling unwanted plant growth (harmful plants) and for the desiccation and/or defoliation of plants using compounds (I) and/or the salts thereof.

IPC 1-7

C07D 237/14; A01N 43/58

IPC 8 full level

A01N 43/58 (2006.01); C07D 237/14 (2006.01)

CPC (source: EP US)

A01N 43/58 (2013.01 - EP US); C07D 237/14 (2013.01 - EP US)

Citation (search report)

See references of WO 0179182A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

DOCDB simple family (publication)

WO 0179182 A1 20011025; AU 5628701 A 20011030; CA 2406217 A1 20011025; EP 1272475 A1 20030108; US 2003162662 A1 20030828

DOCDB simple family (application)

EP 0104213 W 20010412; AU 5628701 A 20010412; CA 2406217 A 20010412; EP 01929551 A 20010412; US 25732902 A 20021010