HETEROCYCLIC COMPOUNDS AND THEIR USE AS PESTICIDES
1492882 α - 1,2,4 - Triazolyl - 2 - acetylthiophenes IMPERIAL CHEMICAL INDUSTRIES Ltd 27 Sept 1976 [6 Oct 1975] 40871/75 Heading C2C α - 1,2,4 - Triazolyl - 2 - acetylthiophenes of general formula wherein R 1 , R 2 , R 5 , R 6 and R 7 , same or different, are each H, halogen, nitro or alkyl; R 3 and...
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Zusammenfassung: | 1492882 α - 1,2,4 - Triazolyl - 2 - acetylthiophenes IMPERIAL CHEMICAL INDUSTRIES Ltd 27 Sept 1976 [6 Oct 1975] 40871/75 Heading C2C α - 1,2,4 - Triazolyl - 2 - acetylthiophenes of general formula wherein R 1 , R 2 , R 5 , R 6 and R 7 , same or different, are each H, halogen, nitro or alkyl; R 3 and R 4 , same or different, are each H or optionally substituted hydrocarbyl groups, and Z is -CO- or a functional derivative thereof; or a salt thereof, are prepared by reacting in which X is halogen. In the examples the compounds α - 1,2,4 - triazol - 1 - yl - α - nbutyl - 5 - chloro - 2 - acetylthiophene and α - 1,2,4 - triazol - 1 - yl - α - p - chlorobenzyl- 5 - chloro - 2 - acetylthiophene are prepared. α - Bromo - α - n - butyl - 5 - chloro - 2 - acetylthiophene is prepared by reacting α-bromohexanoyl chloride with 2-chlorothiophene and AlCl 3 . Fungiaidal compositions comprise a compound of Formula I as active ingredient together with a carrier. |
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