C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 487/04 (2006.01) A01N 43/54 (2006.01)
Patent
CA 2487544
The invention relates to novel pyrazolopyrimidines of formula (I) wherein R1, R2, R3, X1 and X2 have the designations cited in the description, to a method for producing said substances, and to the use of the same for controlling harmful organisms. The invention also relates to novel intermediates of formulae (II), (V) and (VI), and to methods for producing the same.
L'invention concerne de nouvelles pyrazolopyrimidines de formule (I), dans laquelle R?1¿, R?2¿, R?3¿, X?1¿ et X?2¿ ont les significations indiquées dans la description, un procédé de production de ces substances et leur utilisation pour lutter contre des organismes nuisibles. L'invention concerne également de nouveaux intermédiaires représentés par les formules (II), (V) et (VI), ainsi que des procédés de production de ces intermédiaires.
Dunkel Ralf
Ebbert Ronald
Elbe Hans-Ludwig
Gayer Herbert
Gebauer Olaf
Bayer Cropscience Aktiengesellschaft
Fetherstonhaugh & Co.
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