Claims
- 1. A thiophosphoric ester of a 5-hydroxypyrazole having the formula: ##STR17## wherein: R=H, alkyl with from 1 to 7 carbon atoms, optionally substituted with the CN group, or phenyl; and
- R.sup.1 and R.sup.2, equal to or different from each other, =O-alkyl.
- 2. O,O-diethylthiophosphoric ester of 1-methyl-3-(.beta.,.beta.-dichlorovinyl)-5-hydroxypyrazole.
- 3. O,O-diethylthiophosphoric ester of 1-isopropyl-3-(.beta.,.beta.-dichlorovinyl)-5-hydroxypyrazole.
- 4. O,O-diethylthiophosphoric ester of 1-(.beta.-cyanoethyl)-3-(.beta.,.beta.-dichlorovinyl)-5-hydroxypyrazole.
- 5. O,O-diethylthiophosphoric ester of 1-phenyl-3-(.beta.,.beta.-dichlorovinyl)-5-hydroxypyrazole.
- 6. A method for fighting infestations of insects, acari and nematoda, said method consisting in spreading onto the "habitat" of the parasite an effective amount of a compound as defined in claim 1.
- 7. A composition for fighting infestations of insects, acari and nematoda, characterized in that such compositions contain as active ingredient a compound as defined in claim 1, in quantities ranging from 0.1% upwards by weight together with an inert carrier.
Priority Claims (2)
Number |
Date |
Country |
Kind |
31190 A/77 |
Dec 1977 |
ITX |
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31191 A/77 |
Dec 1977 |
ITX |
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Parent Case Info
This is a continuation of application Ser. No. 426,881 filed Sept. 29, 1982 U.S. Pat. No. 4,459,294; in turn a continuation of Ser. No. 182,680, filed Mar. 12, 1980, now U.S. Pat. No. 4,256,802; in turn a continuation-in-part of Ser. No. 971,548 filed Dec. 20, 1978, abandoned.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
3150149 |
Uhlenbroek et al. |
Sep 1964 |
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3825557 |
Hoffmann et al. |
Jul 1974 |
|
4163052 |
Hofer et al. |
Jul 1979 |
|
Continuations (3)
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Number |
Date |
Country |
Parent |
426881 |
Sep 1982 |
|
Parent |
182680 |
Aug 1980 |
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Parent |
129724 |
Mar 1980 |
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Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
971548 |
Dec 1978 |
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