N-sulphonyl and n-sulphinyl amino acid derivatives as...

C - Chemistry – Metallurgy – 07 – C

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C07C 311/06 (2006.01) A01N 41/06 (2006.01) A01N 41/10 (2006.01) C07C 307/06 (2006.01) C07C 311/14 (2006.01) C07C 311/24 (2006.01) C07C 317/04 (2006.01) C07C 323/67 (2006.01) C07D 295/26 (2006.01)

Patent

CA 2229211

.alpha.-Amino acid amides of formula (I) wherein the substituents are defined as follows: n is the number zero or one; R1 to R7 are as herein defined; R8 is C1-C6alkyl, C3-C6alkenyl or C3-C6alkynyl; R9 is C3-C8cycloalkyl; a C1-C6alkyl, C3-C6alkenyl or C3-C6alkynyl group substituted by one or more halogen atoms; or a group (a) wherein p and q are identical or different and are each independently of the other the number zero or one; and R13, R14, R15 and R16 are identical or different and are each independently of the others hydrogen or C1-C4alkyl; and X is hydrogen, in which case p and q must have the value zero; phenyl unsubstituted or mono- or poly-substituted by halogen, nitro, cyano, carboxy, C2-C6alkenyl, C2-C6alkynyl, C1-C6haloalkyl, C3-C6alkenyloxy, C3-C6alkynyloxy, C3-C7cycloalkyl, C1-C6haloalcoxy, C1-C6alkylthio, C1- C6alcoxycarbonyl, C3-C6alkenyloxycarbonyl, C3-C6alkynyloxycarbonyl, C1-C6alkyl or by C1-C6alkoxy; cyano; -COOR17; -COR18 or a group (b) wherein R17 and R21 are each independently of the other hydrogen, C1-C6alkyl, C3-C6alkenyl or C3- C6alkynyl, and R18 is hydrogen; C1-C6alkyl, C2-C6alkenyl, C2-C6alkynyl or phenyl, unsubstituted or substituted by halogen, nitro, cyano, C1-C4alkyl or by C1-C4alkoxy, and R19 and R20 are identical or different and are each independently of the other hydrogen or C1-C4alkyl, are valuable microbicides. They can be used in plant protection in the form of suitable compositions, for example in the control of fungal diseases.

On décrit des amides .alpha.-aminés de la formule (I) dans laquelle les substituants sont tels que définis ci-dessous: n vaut zéro ou un; R¿1? à R¿7? sont tels que définis dans la description; R¿8? représente alkyle C¿1?-C¿6?, alcényle C¿3?-C¿6? ou alcynyle C¿3?-C¿6?; R¿9? représente cycloalkyle C¿3?-C¿8?; un groupe alkyle C¿1?-C¿6?, alcényle C¿3?-C¿6? ou alcynyle C¿3?-C¿6?, substitué par un ou plusieurs atomes d'halogène; ou un groupe (a) dans lequel p et q sont semblables ou différents et valent chacun indépendamment zéro ou un; et R¿13?, R¿14?, R¿15? et R¿16? sont semblables ou différents et représentent chacun indépendamment hydrogène ou alkyle C¿1?-C¿4?; et X représente hydrogène, auquel cas p et q doivent valoir zéro; phényle non substitué ou substitué un ou plusieurs fois par halogène, nitro, cyano, carboxy, alcényle C¿2?-C¿6?, alcynyle C¿2?-C¿6?, haloalkyle C¿1?-C¿6?, alcényloxy C¿3?-C¿6?, alcynyloxy C¿3?-C¿6?, cycloalkyle C¿3?-C¿7?, haloalcoxy C¿1?-C¿6?, alkylthio C¿1?-C¿6?, alcoxycarbonyle C¿1?-C¿6?, alcényloxycarbonyle C¿3?-C¿6?, alcynyloxycarbonyle C¿3?-C¿6?, alkyle C¿1?-C¿6? ou par alcoxy C¿1?- C¿6?; cyano; -COOR¿17?; -COR¿18? ou un groupe (b) dans lequel R¿17? et R¿21? représentent chacun indépendamment hydrogène, alkyle C¿1?-C¿6?, alcényle C¿3?-C¿6? ou alcynyle C¿3?-C¿6?, et R¿18? représente hydrogène; alkyle C¿1?-C¿6?, alcényle C¿2?-C¿6?, alcynyle C¿2?-C¿6? ou phényle, non substitué ou substitué par halogène, nitro, cyano, alkyle C¿1?-C¿4? ou par alcoxy C¿1?-C¿4?, et R¿19? et R¿20? sont semblables ou différents et représentent chacun indépendamment hydrogène ou alkyle C¿1?-C¿4?. Ces composés constituent de précieux microbicides que l'on peut utiliser dans la protection des plantes, sous la forme de compositions appropriées, par exemple dans la lutte contre les maladies fongiques.

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