Claims
- 1. A method of combating a pest selected from insects, arachnids and nematodes comprising applying to crops in need thereof an insecticidally, arachnicidally, or nematicidally effective amount of an O-benzyloxime ether of the formula I whereX is N—C1-C4-alkoxy, Y is O, R1, R2 and R5 are H or C1-C4-alkyl, Z1 and Z2 are identical or different and each is H, halogen, methyl, methoxy or cyano, R3 and R4 are identical or different and each is hydrogen, cyano, straight-chain or branched C1-C10-alkyl, C1-C4-haloalkyl, C3-C6-cycloalkyl, C3-C6-halocycloalkyl, C3-C6-cycloalkyl-C1-C4-alkyl, C1-C4-alkoxy-C1-C4-alkyl, C1-C4-alkylthio-C1-C4-alkyl, arylthio-C1-C4-alkyl, C2-C6-alkenyl, C2-C5-haloalkenyl, C3-C6-cycloalkenyl, C3-C6-halocycloalkenyl, C2-C6-alkynyl, C1-C6-alkoxy, C1-C6-haloalkoxy, C1-C4-alkylthio, benzylthio, C1-C4-alkylcarbonyl, substituted or unsubstituted phenylcarbonyl, substituted or unsubstituted benzylcarbonyl, C1-C4-alkoxycarbonyl, substituted or unsubstituted phenoxycarbonyl, substituted or unsubstituted benzyloxycarbonyl, substituted or unsubstituted aryl, substituted or unsubstituted aryloxy, substituted or unsubstituted arylthio, substituted or unsubstituted aryl-C1-C4-alkyl, substituted or unsubstituted aryl-C2-C4-alkenyl, substituted or unsubstituted aryloxy-C1-C4-alkyl, or substituted or unsubstituted arylthio-C1-C4-alkyl, substituted or unsubstituted hetaryl, substituted or unsubstituted hetaryloxy, substituted or unsubstituted hetarylthio, substituted or unsubstituted heteroaryl-C1-C4-alkyl, substituted or unsubstituted hetaryl-C2-C4-alkenyl, substituted or unsubstituted hetaryloxy-C1-C4-alkyl, substituted or unsubstituted heterocyclyl or substituted or unsubstituted heterocyclyloxy, N(R6)2, where the radicals R6 are identical or different and each is H, C1-C6-alkyl or substituted or unsubstituted phenyl, —CO—N(R7)2, where the radicals R7 are identical or different and each is H or C1-C4-alkyl, substituted or unsubstituted meaning, in addition to hydrogen, the radicals halogen, cyano, nitro, C1-C4-alkyl, C1-C4-alkoxy, C1-C4-haloalkyl, C1-C4-haloalkoxy, C1-C10-alkoximino-C1-C2-alkyl, aryl, aryloxy, benzyloxy, or C3-C6-cycloalkyl, or R3 and R4 together with the carbon atom to which they are attached form cyclopentyl, cyclohexyl, cycloheptyl, adamantyl, camphenyl, tetralyl, indanyl or fluorenyl, each of which may be substituted by the radicals stated above under substituted or unsubstituted, or R3 or R4 may be halogen, or n is an integer from 1 to 4, and R8 is, or, when n>1, the R8's are identical or different and are each H, halogen, cyano, nitro, C1-C4-alkyl, C1-C4-alkoxy, C1-C4-haloalkyl, C1-C4-haloalkoxy, aryl, aryloxy, benzyloxy, hetaryl or hetaryloxy.
- 2. A method according to claim 1 wherein R2 is H.
- 3. A method of synthesizing an O-benzyloxime ether of the formula I whereX is N—C1-C4-alkoxy, Y is O, R1, R2 and R5 are H or C1-C4-alkyl, Z1 and Z2 are identical or different and each is H, halogen, methyl, methoxy or cyano, R3 and R4 are identical or different and each is H, cyano, straight-chain or branched C1-C10-alkyl, C1-C4-haloalkyl, C3-C6-cycloalkyl, C3-C6-halocycloalkyl, C3-C6-cycloalkyl-C1-C4-alkyl, C1-C4-alkoxy-C1-C4-alkyl, C1-C4-alkylthio-C1-C4-alkyl, arylthio-C1-C4-alkyl, C2-C6-alkenyl, C2-C5-haloalkenyl, C3-C6-cycloalkenyl, C3-C6-halocycloalkenyl, C2-C6-alkynyl, C2-C6-alkoxy, C1-C6-haloalkoxy, C1-C4-alkylthio, benzylthio, C1-C4-alkylcarbonyl, substituted or unsubstituted phenylcarbonyl, substituted or unsubstituted benzylcarbonyl, C1-C4-alkoxycarbonyl, substituted or unsubstituted phenoxycarbonyl, substituted or unsubstituted benzyloxycarbonyl, substituted or unsubstituted aryl, substituted or unsubstituted aryloxy, substituted or unsubstituted arylthio, substituted or unsubstituted aryl-C1-C4-alkyl, substituted or unsubstituted aryl-C2-C4-alkenyl, substituted or unsubstituted aryloxy-C1-C4-alkyl, or substituted or unsubstituted arylthio-C1-C4-alkyl, substituted or unsubstituted hetaryl, substituted or unsubstituted hetaryloxy, substituted or unsubstituted hetarylthio, substituted or unsubstituted heteroaryl-C1-C4-alkyl, substituted or unsubstituted hetaryl-C2-C4-alkenyl, substituted or unsubstituted hetaryloxy-C1-C4-alkyl, substituted or unsubstituted heterocyclyl or substituted or unsubstituted heterocyclyloxy, N(R6)2, where the radicals R6 are identical or different and each is H, C1-C6-alkyl or substituted or unsubstituted phenyl, —CO—N(R7)2, where the radicals R7 are identical or different and each is H or C1-C4-alkyl, substituted or unsubstituted meaning, in addition to hydrogen, the radicals halogen, cyano, nitro, C1-C4-alkyl, C1-C4-alkoxy, C1-C4-haloalkyl, C1-C4-haloalkoxy, C1-C10-alkoximino-C1-C2-alkyl, aryl, aryloxy, benzyloxy, or C3-C6-cycloalkyl, or R3 and R4 together with the carbon atom to which they are attached form cyclopentyl, cyclohexyl, cycloheptyl, adamantyl, camphenyl, tetralyl, indanyl or fluorenyl, each of which may be substituted by the radicals stated above under substituted or unsubstituted, R3 or R4 may be halogen; comprising: a) reacting an imidoether of the formula (III) wherein R1, R2, X, Y, Z1 and Z2 are defined as above and R8 is, or, when n>1, the R8's are identical or different and each, H, halogen, cyano, nitro, C1-C4-alkyl, C1-C4alkoxy, C1-C4-haloalkyl, C1-C4-haloalkoxy, aryl aryloxy, benzyloxy, hetaryl or hetaryloxy, to form an O-substituted hydroxylamine of the formula (IV) wherein R1, R2, X, Y, Z1 and Z2 are defined as above; and b) reacting said O-substituted hydroxylamine with a carbonyl compound of formula R3R4═O, where R3 and R4 are defined above.
Priority Claims (2)
Number |
Date |
Country |
Kind |
40 20 388 |
Jun 1990 |
DE |
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40 20 384 |
Jun 1990 |
DE |
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Parent Case Info
This is a CONTINUATION of application Ser. No. 08/440,128 filed on May 12, 1995, now abandoned, which is a Division of Ser. No. 08/328,516, filed on Oct. 25, 1994, (pending) which is a Division of application Ser. No. 08/165,413, filed on Dec. 13, 1993, (now U.S. Pat. No. 5,387,607), which is a Division of application Ser. No. 07/962,340, filed on Oct. 15, 1992, (now U.S. Pat. No. 5,292,759), which is a Division of application, Ser. No. 07/722,209, filed on Jun. 27, 1991, (now U.S. Pat. No. 5,194,662).
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Name |
Date |
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5055471 |
deFraine et al. |
Oct 1991 |
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5221691 |
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Jun 1993 |
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5238956 |
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414153 |
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EP |
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Continuations (1)
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Number |
Date |
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Parent |
08/440128 |
May 1995 |
US |
Child |
08/630091 |
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US |