Claims
- 1. A compound of the formula I ##STR39## wherein R.sub.1 represents hydrogen, C.sub.1 -C.sub.4 -alkyl or cyclopropyl,
- R.sub.2 represents C.sub.3 -C.sub.5 -alkyl, and
- R.sub.3 represents methyl or ethyl, whilst
- Z represents oxygen or sulphur.
- 2. A compound according to claim 1, wherein
- Z represents oxygen.
- 3. A compound according to claim 2, wherein
- R.sub.1 represents methyl, ethyl or cyclopropyl,
- R.sub.2 represents n-propyl or sec. butyl and
- R.sub.3 represents ethyl.
- 4. A compound according to claim 1, wherein
- Z represents sulphur and R.sub.3 represents ethyl.
- 5. A compound according to claim 4, wherein
- R.sub.1 represents methyl or cyclopropyl and
- R.sub.2 represents n-propyl or sec. butyl.
- 6. N-(O-Ethyl-S-n-propyl-thiono-thiol-phosphoryl)-isobutyramidine of the formula ##STR40## according to claim 1.
- 7. N-(O-Ethyl-S-n-propyl-thiono-thiol-phosphoryl)-acetamidine according to claim 1.
- 8. N-(O-Ethyl-S-n-propyl-thiophosphoryl)-acetamidine according to claim 1.
- 9. O-Ethyl-S-sec.butyl-cyclopropanecarbamidino-thiophosphate according to claim 1.
- 10. A pesticidal composition comprising as active ingredient an effective amount of a compound according to claim 1, together with a suitable carrier.
- 11. A composition according to claim 10, wherein the active ingredient is a compound according to claim 2.
- 12. A composition according to claim 10, wherein the active ingredient is a compound according to claim 3.
- 13. A composition according to claim 10, wherein the active ingredient is a compound according to claim 4.
- 14. A composition according to claim 10, wherein the active ingredient is a compound according to claim 5.
- 15. A composition according to claim 10, wherein the active ingredient is N-(O-ethyl-S-n-propyl-thiono-thiol-phosphoryl)-iso-butyramidine.
- 16. A composition according to claim 10, wherein the active ingredient is N-(O-ethyl-S-n-propyl-thiono-thiol-phosphoryl)-acetamidine.
- 17. A composition according to claim 10, wherein the active ingredient is N-(O-ethyl-S-n-propyl-thiophosphoryl)-acetamidine.
- 18. A composition according to claim 10, wherein the active ingredient is O-ethyl-S-sec.butyl-cyclopropanecarbamidinothiophosphate.
- 19. A method of combating nematodes at a locus which comprises applying to the locus an effective amount of a compound according to claim 1.
- 20. A method according to claim 19, wherein the nematodes are plantpathogenic nemathodes.
Priority Claims (2)
Number |
Date |
Country |
Kind |
16473/76 |
Dec 1976 |
CHX |
|
2721/77 |
Mar 1977 |
CHX |
|
CROSS-REFERENCE
This application is a continuation-in-part application of application Ser. No. 862,695, filed Dec. 21, 1977, now abandoned.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
3925517 |
Pissiotas et al. |
Dec 1975 |
|
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
862695 |
Dec 1977 |
|