Patent number: 6455515
Abstract: Salicylohydrazide derivatives of the formula I
in which the index and the substituents have the following meanings:
X is halogen, NO2, cyano, alkyl or alkoxy;
m is 0, 1, 2 or 3, it being possible for the substituents X to differ from each other if n is greater than 1;
R1 is NO2, NH2 or NH—CO—A;
A is hydrogen, alkyl, alkoxy, NH2, NHCH3 or N(CH3)2;
R2 is hydrogen, cyano, alkyl, alkenyl, alkynyl, haloalkyl, alkoxy or alkylthio;
it being possible for the hydrocarbon radicals to be unsubstituted or substituted,
R3 is phenyl, naphthyl, cycloalkyl, 5-membered or 6-membered hetaryl or 5-membered or 6-membered heterocyclyl containing one to three N atoms and/or one O or S atom or one or two O and/or S atoms, the ring systems being unsubstituted or substituted;
the preparation of these compounds, compositions comprising them, and their use for controlling harmful fungi.
Type:
Grant
Filed:
June 14, 2001
Date of Patent:
September 24, 2002
Assignee:
BASF Aktiengesellschaft
Inventors:
Andreas Gypser, Thomas Grote, Joachim Rheinheimer, Ingo Rose, Peter Schäfer, Oliver Cullmann, Markus Gewehr, Wassilios Grammenos, Jordi Tormo i Blasco, Bernd Müller, Hubert Sauter, Eberhard Ammermann, Siegfried Strathmann, Gisela Lorenz, Reinhard Stierl