Crystalline modification of 4-(N-methyl-Z-chloro-5pyridy methylamino)-2, 5-dihydrofuran-2-on
View Patent ↗The present invention relates to a defined crystalline modification of the compound of the formula (I), to processes for its preparation and to its use in agrochemical preparations.
1. Crystalline modification I of the compound of formula (I)
wherein an x-ray powder diffractogram thereof, when using Cu Kα radiation, has the following reflection planes
2 Theta/°
16.80
19.58
21.11
21.32
23.23
28.00.
2. Crystalline modification I of a compound of formula I
wherein an x-ray powder diffractogram thereof, when using Cu Kα radiation, has the following reflection planes
2 Theta/°
16.80
19.58
21.11
21.32
22.92
23.23
23.97
28.00.
3. A composition comprising the crystalline modification I of formula (I) according to claim 1 and at least one auxiliary.
4. A composition comprising the crystalline modification I of the compound of formula (I) according to claim 1 , the crystalline modification II of the compound of formula (I) and at least one suitable auxiliary, wherein the composition comprises not more than 20% by weight of the crystalline modification II of the compound of formula (I).
5. A method for controlling pests comprising using the compound of formula (I) of the crystalline modification I according to claim 1 .
6. A method for controlling pests of plants comprising using the compound of formula (I) of the crystalline modification I according to claim 1 .
7. A method for controlling animal parasites comprising using the compound of formula (I) of the crystalline modification I according to claim 1 .
8. A method for controlling insects which destroy industrial materials comprising using the compound of formula (I) of the crystalline modification I according to claim 1 .
9. A method for treating seed comprising using the compound of formula (I) of the crystalline modification I according to claim 1 .
10. A method for controlling unwanted insects, comprising applying the compound of formula (I) of the crystalline modification I according to claim 1 to the insects and/or their habitat and/or seed.
11. A composition comprising the crystalline modification I of the compound of formula (I) according to claim 2 and at least one auxiliary.
12. A composition comprising the crystalline modification I of the compound of formula (I) according to claim 2 , the crystalline modification II of the compound of formula (I) and at least one suitable auxiliary, wherein the composition comprises not more than 20% by weight of the crystalline modification II of the compound of formula (I).
13. A method for controlling pests comprising using the compound of formula (I) of the crystalline modification I according to claim 2 .
14. A method for controlling pests of plants comprising using the compound of formula (I) of the crystalline modification I according to claim 2 .
15. A method for controlling animal parasites comprising using the compound of formula (I) of the crystalline modification I according to claim 2 .
16. A method for controlling insects which destroy industrial materials comprising using the compound of formula (I) of the crystalline modification I according to claim 2 .
17. A method for treating seed comprising using the compound of formula (I) of the crystalline modification I according to claim 2 .
18. A method for controlling unwanted insects, characterized in that a comprising applying the compound of formula (I) of the crystalline modification I according to claim 2 to the insects and/or their habitat and/or seed.
19. Seed treated by a method according to claim 17 .
20. Seed treated by a method according to claim 9 .