Derivatives of 3-hydroxy-4-aryl-5-oxadiazoline with herbicide action, composition, and method of controlling undesirable vegetation

 

Describes derivatives of 3-hydroxy-4-aryl-5-oxadiazoline formula Iin which R1, R2and R3each independently of one another denotes a halogen atom, a C1-C4alkyl, C2-C4alkenyl,2-C4quinil, C1-C6alkoxy; R4and R5together form a group-C-R14(R15)-C-R16(R17)-O-C-R18(R19)-C-R20(R21)-(Z2), in which each of R14, R15, R16, R17, R18, R19, R20, R21independently of one another denotes hydrogen or C1-C4alkyl or where alkylene ring is connected by bridge to place a ring atom of the group Z2; G represents a hydrogen atom,- (X1R30With(X2)-X3-R31; X1, X2and X3each independently from each other represents an oxygen atom; R30and R31each independently from each other represents C1-C5alkyl, and salts and diastereoisomeric the compounds of formula I and a herbicide composition comprising a compound of formula I, the method of controlling undesirable vegetation. Also described herbicide composition of selective action, UCLA antagonist for herbicides or the compounds of formula (X)or the compounds of formula (XI)or the compounds of formula (XII)or the compounds of formula (XVIII)
Also presented a method for selective weed control which includes the processing of agricultural crops herbicide-effective amount of compound (I) and an effective amount of an antagonist for herbicides protective agent of the formula X, XI, XII, XVIII. 5 C. 10 C.p. f-crystals, 27 PL.

Description text in facsimile form (see graphic part)and


Claims

1. Derivatives of 3-hydroxy-4-aryl-5-oxadiazoline formula I

in which R1, R2and R3each independently of one another denotes a halogen atom, a C1-C4alkyl, C2-C4alkenyl,2-C4quinil,3-C6cycloalkyl,1-C6alkoxy, C1-C4alkylsulphonyl and CH2HE;

R4and R5together form a group-C-R14(R15)-C-R16(R17)-O-C-R18(R19)-C-R20(R21)- (Z2), in which each of R14, R15, R16, R17, R18, R19Lenovo ring is connected by bridge to place a ring atom of the group Z2;

G denotes a hydrogen atom,- (X1)-R30, -C(X2)-X3-R31;

X1, X2and X3each independently from each other represents an oxygen atom;

R30and R31each independently from each other represents C1-C5alkyl, and salts and diastereoisomeric the compounds of formula I.

2. Connection on p. 1, in which G denotes a hydrogen atom.

3. Connection on p. 1 of which one ring atom of the group2associated bridge connection using alkalinous ring, which together with the carbon atoms of Z2includes 2-6 carbon atoms and may be interrupted by oxygen atoms.

4. Connection on p. 1, in which each of R1, R2and R3independently of one another denotes a halogen atom, a C1-C4alkyl, C2-C4alkenyl,2-C4quinil or1-C6alkoxy.

5. Connection on p. 1, in which R2denotes a halogen atom, methyl, ethyl or ethinyl.

6. Connection on p. 1, in which G denotes the group-C(X1)-R30or-C(X2)-(X3)-R31in which each of X1, X2and X3denotes an oxygen atom, and each of R30and R31independently of the other independently of one another denotes methyl, ethyl, isopropyl, vinyl, allyl, ethinyl, methoxy, bromine atom.

8. Connection on p. 1, in which each of R30and R31and R36independently of one another denotes a hydrogen atom, a C1-C5alkyl.

9. Herbicide composition that includes herbicide effective amount of the compounds of formula I in an inert carrier.

10. The composition according to p. 9, which includes introduced into the tank for spray adjuvants.

11. The method of controlling undesirable vegetation in which these plants or their growth process herbicide effective amount of the active compound of formula I or a composition, which includes this a valid connection.

12. Herbicide composition of selective action, which in addition to the usual inert auxiliary components for preparing the composition comprises as active ingredient a mixture of a) herbicide effective amount of the compounds of formula I and b) an effective amount which is an antagonist for herbicides or the compounds of formula X

in which R37denotes a hydrogen atom, a C1-C6alkyl or C1-C6alkoxy - or3-C6ALC formula XI

in which E represents a nitrogen atom or Metin;

R38means-CCL3, phenyl or galatarasay phenyl;

R39and R40each independently of one another denotes hydrogen atom or halogen;

R41stands With1-C4alkyl,

or the compounds of formula XII

in which R44and R45each independently of one another denotes hydrogen atom or halogen,

R46, R47and R48each independently from each other represents C1-C4alkyl,

or the compounds of formula XVIII

in which R103denotes a hydrogen atom, a C1-C6alkyl, C3-C6cycloalkyl,3-C6alkenyl,3-C6quinil;

each of R104, R105and R106independently of one another denotes a hydrogen atom, a C1-C6alkyl, C3-C6cycloalkyl or1-C6alkoxy, provided that the value of one of the substituents R104, R105and R106other than a hydrogen atom.

13. The composition according to p. 12, which includes an effective amount which is an antagonist for herbici the th atom, With1-C8alkyl or C1-C6alkoxy - or3-C6alkenylbenzenes1-C8alkyl, a X6denotes a hydrogen atom or chlorine, or the compounds of formula XI

in which E represents a nitrogen atom or Metin;

R38means-CCL3, phenyl or galatarasay phenyl;

R39and R40each independently of one another denotes hydrogen atom or halogen;

R41stands With1-C4alkyl,

or the compounds of formula XII

in which R44and R45each independently of one another denotes hydrogen atom or halogen,

R46, R47and R48each independently from each other represents C1-C4alkyl.

14. The composition according to p. 12, which includes introduced into the tank for spray adjuvants.

15. Process for the selective combating of weeds and grasses among agricultural crops, which includes the processing of these crops, their seeds or seedlings or land on which they are grown, herbicide effective amount of a herbicide of formula I and an effective amount which is an antagonist for herbicides C is p>

08.12.1998 on PP.3-8, 10.

 

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