C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/305, 260/314
C07D 233/68 (2006.01) C07D 233/90 (2006.01) C07D 471/14 (2006.01) C07D 487/04 (2006.01) C07D 487/14 (2006.01)
Patent
CA 1086749
Abstract The present invention now provides, as new compounds, the 4,5- dichloroimidazole-2-carboxylic acid derivatives of the general formula Image in which the group Image represents a carbon atom which has three bond to hetero-atoms, and their salts with bases. The compounds of the present invention have been found to possess a pesticidal action. The present invention also provides a process for the preparation of a 4,5-dichloroimidazole-2-carboxylic acid derivative of the formula (I), in which (a) 4,5-dichloro-2-dichloromethylene- imidazole or (b) 4,5-dichloro-2-trichloromethylimidazole, or (c) the dimeric ketene of 4,5-dichloroimidazole-2-carboxylic acid, is reacted with a suitable nucleophilic reagent and the reaction product thus formed is optionally subjected to further subsequent reactions.
273757
Beck Gunther
Brandes Wilhelm
Eue Ludwig
Hammann Ingeborg
Heitzer Helmut
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
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