Patent number: 6949551
Abstract: Dihalopropene compounds, process for their preparation, compositions comprising them and their use as pesticides What is described are dihalopropene compounds of the formula (I) in which R1 and R2 are halogen, Y is —O—, —S— or —NH—, X is —O—, —S(O)r— or —NR5— (where r=0, 1, 2 and R5 is hydrogen or C1-C8-alkyl), X? is a direct C—C bond, —O—, —S(O)r— or —NR5— (where R5 is as defined above), R3 is hydrogen, halogen, nitro, cyano, C1-C8-alkyl, C1-C8-haloalkyl, C1-C8-alkoxy, C1-C8-haloalkoxy, C3-C10-cycloalkyl or has one of the meanings defined for A, A has the meaning given in the description (inter alia aryl, heterocyclyl), B is a divalent bridge having the meanings given in the description (inter alia alkylene) and R4 is a monovalent C6-C14-aryl radical or nitrogen-containing heteroaryl radical having at least one ring heteroatom which has the meanings given in the description. These compounds can be used for preparing pesticides.
Type:
Grant
Filed:
November 7, 2002
Date of Patent:
September 27, 2005
Assignee:
Bayer Cropscience S.A.
Inventors:
Jörg Tiebes, Ralf Braun, Joachim Dickhaut, Harald Jakobi, Stephen Lindell, Vincent L. Salgado, Eva Wojtech, Daniela Jans, Jutta Maria Waibel, Waltraud Hempel, Ronald Wilhelm