Hydroxamic-acid derivatives, method of preparing them and...

C - Chemistry – Metallurgy – 07 – C

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C07C 259/06 (2006.01) A01N 37/50 (2006.01) A01N 39/00 (2006.01) A01N 43/00 (2006.01) A01N 43/16 (2006.01) A01N 43/36 (2006.01) A01N 43/90 (2006.01) A01N 57/24 (2006.01) C07C 317/28 (2006.01) C07C 323/47 (2006.01) C07D 207/36 (2006.01) C07D 213/53 (2006.01) C07D 213/62 (2006.01) C07D 239/52 (2006.01) C07D 277/32 (2006.01) C07D 285/04 (2006.01) C07D 285/08 (2006.01) C07D 307/58 (2006.01) C07D 309/12 (2006.01) C07D 333/32 (2006.01) C07D 417/04 (2006.01) C07F 9/547 (2006.01)

Patent

CA 2182096

The invention concerns hydroxamic-acid derivatives of general formula (I) in which A is hydrogen or a grouping which can be easily splitt off, A1 is hydrogen or alkyl, Ar is an optionally substituted arylene or hetero-arylene group, E is a 1-alkene-1,1-diyl grouping containing an R1 group in the 2- position or is a 2-aza-1-alkene-1,1-diyl grouping containing an R2 group in the 2-position or is an optionally substituted imino (azamethylene, N-R3) grouping, G is oxygen or alkanediyl, alkenediyl or alkynediyl (in each case optionally substituted by halogen, hydroxy, alkyl, haloalkyl or cycloalkyl) or one of the following groupings: -Q-CQ-, -CQ-Q-, -CH2-Q-, -Q-CH2-, -CQ-Q-CH2-, - CH2-Q-CQ-, -Q-CQ-CH2-, -Q-CQ-Q-CH2-, -N=N-, -S(O)n-, -CH2-S(O)n-, -CQ-, -S(O)n- CH2-, -C(R4)=N-O-, -C(R4)=N-O-CH2-, -N(R5)-, -CQ-N(R5)-, -N(R5)-CQ-, -Q-CQ- N(R5)-, -N=C(R4)-Q-CH2-, -CH2-O=N-C(R4)-, -N(R5)-CQ-Q-, -CQ-N(R5)-CQ-Q- or - N(R5)-CQ-Q-CH2- or optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, aryl or heterocyclyl. The invention also concerns a method of preparing such compounds and their use as fungicides. .

Dérivés de l'acide hydroxamique de formule générale (I), dans laquelle A désigne un hydrogène ou un groupement facilement dédoublable, A?1¿ désigne un hydrogène ou un alkyle, Ar désigne un arylène ou un hétéro-arylène, chacun d'eux étant éventuellement substitué, E désigne un groupement 1-alkène-1,1-diyle, renfermant un reste R?1¿ en position 2, ou un groupement 2-aza-1-alkène-1,1-diyle, renfermant un reste R?2¿ en position 2, ou un groupement imino ("azaméthylène", N-R?3¿) éventuellement substitué, G désigne un oxygène, un alkane-diyle, alkène-diyle, alkine-diyle ou l'un des groupements ci-après: -Q-CQ-, -CQ-Q-, -CH¿2?-Q-, -Q-CH¿2?-, -CQ-Q-CH¿2?-, -CH¿2?-Q-CQ-, -Q-CQ-CH¿2?-, -Q-CQ-Q-CH¿2?-, -N=N-, -S(O)¿n?-, -CH¿2?-S(O)¿n?-, -CQ-, -S(O)¿n?-CH¿2?-, -C(R?4¿)=N-O-, -C(R?4¿)=N-O-CH¿2?-, -N(R?5¿)-, -CQ-N(R?5¿)-, -N(R?5¿)-CQ-, -Q-CQ-N(R?5¿)-, -N=C(R?4¿)-Q-CH¿2?-, -CH¿2?-O=N-C(R?4¿)-, -N(R?5¿)-CQ-Q-, -CQ-N(R?5¿)-CQ-Q- ou -N(R?5¿)-CQ-Q-CH¿2?-, chacun d'eux étant éventuellement substitué par un halogène, un hydroxy, alkyle, halogénoalkyle ou cycloalkyle, ou encore, un alkyle, alkényle, alkinyle, cycloalkyle, aryle ou hétérocyclyle, chacun d'eux étant éventuellement substitué, leur procédé de fabrication et leur utilisation comme fongicides.

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