Claims
- 1. An organophosphorus compound represented by formula (I): ##STR155## wherein R.sup.1 and R.sup.2 each represents a C.sub.1-4 alkyl;
- X represents O, S, CH.sub.2, (wherein R.sup.3 represents a C.sub.1-3 alkyl), NH or N--R.sup.4 (wherein R.sup.4 represents C.sub.1-4 alkyl substituted with at least one group selected from the group consisting of alkoxy, alkylthio, cyano, alkoxyalkyloxy, alkylamino and halogen; alkenyl; halogen substituted alkenyl; alkynyl; halogen substituted alkynyl; phosphoric acid ester; cyano; a group of formula II: ##STR156## (wherein R.sup.5 represents alkyl, halogen substituted alkyl, alkylamino or halogen substituted alkylamino); or --(R.sup.6).sub.n --CO--R.sup.7 (wherein n is 0 or 1; R.sup.6 represents methylene, alkyl substituted methylene, ethylene and alkyl substituted ethylene; and R.sup.7 represents alkyl, halogen substituted alkyl, alkoxy, halogen substituted alkoxy, alkylthio, alkylamino or hydrogen);
- Z represents N-R.sup.8 (wherein R.sup.8 represents nitro, cyano, alkylsulfonyl, halogen substituted alkylsulfonyl, tosyl, alkylcarbonyl, halogen substituted alkylcarbonyl); or C(CN)R.sup.9 (wherein R.sup.9 represents cyano or alkoxycarbonyl); and
- A represents an ethylene, C.sub.1-3 alkyl substituted ethylene, trimethylene, C.sub.1-3 alkyl substituted trimethylene or --CH.sub.2 NR.sup.10 CH.sub.2 -- (wherein R.sup.10 is C.sub.1-3 alkyl),
- wherein when X is NH or N--R.sup.4, A is trimethylene, C.sub.1-3 alkyl substituted trimethylene or --CH.sub.2 NR.sup.10 CH.sub.2 -- (wherein R.sup.10 is C.sub.1-3 alkyl),
- excluding an organophosphorus compound of formula (I) in which R.sup.1 and R.sup.2 are C.sub.1-4 alkyl, X is NH, Z is cyanoimino or nitroimino, and A is trimethylene or C.sub.1-3 alkyl substituted trimethylene.
- 2. An organophosphorus compound which is O-ethyl-S-sec-butyl-(3-methyl-2-cyanoimino-1-tetrahydropyrimidinyl)phosphonothiolate.
- 3. The organophosphorus compound according to claim 1 which is O-ethyl-S-sec-butyl-1-pyrrolidinyl-phosphonothiolate.
- 4. An insecticidal, acaricidal or nematocidal composition comprising a carrier and as an active ingredient, an organophosphorus compound represented by formula (I): ##STR157## wherein R.sup.1 and R.sup.2 each represents a C.sub.1-4 alkyl;
- X represents O, S, CH.sub.2, CH--R.sup.3 (wherein R.sup.3 represents a C.sub.1-3 alkyl), NH or N--R.sup.4 (wherein R.sup.4 represents C.sub.1-4 alkyl substituted with at least one group selected from the group consisting of alkoxy, alkylthio, cyano, alkoxyalkyloxy, alkylamino and halogen; alkenyl; halogen substituted alkenyl; alkynyl; halogen substituted alkynyl; phosphoric acid ester; cyano; a group of formula II: ##STR158## (wherein R.sup.5 represents alkyl, halogen substituted alkyl, alkylamino or halogen substituted alkylamino); or --(R.sup.6).sub.n --CO--R.sup.7 (wherein n is 0 or 1; R.sup.6 represents methylene, alkyl substituted methylene, ethylene and alkyl substituted ethylene; and R.sup.7 represents alkyl, halogen substituted alkyl, alkoxy, halogen substituted alkoxy, alkylthio, alkylamino or hydrogen );
- Z represents N--R.sup.8 (wherein R.sup.8 represents nitro, cyano, alkylsulfonyl, halogen substituted alkylsulfonyl, tosyl, alkylcarbonyl, halogen substituted alkylcarbonyl); or C(CN)R.sup.9 (wherein R.sup.9 represents cyano or alkoxycarbonyl); and
- A represents an ethylene, C.sub.1-3 alkyl substituted ethylene, trimethylene, C.sub.1-3 alkyl substituted trimethylene or --CH.sub.2 NR.sup.10 CH.sub.2 -- (wherein R.sup.10 is C.sub.1-3 alkyl),
- wherein when X is NH or N--R.sup.4, A is trimethylene, C.sub.1-3 alkyl substituted trimethylene or --CH.sub.2 NR.sup.10 CH.sub.2 -- (wherein R.sup.10 is C.sub.1-3 alkyl),
- excluding an organophosphorus compound of formula (I) in which R.sup.1 and R.sup.2 are C.sub.1-4 alkyl, X is NH, Z is cyanoimino or nitroimino, and A is trimethylene or C.sub.1-3 alkyl substituted trimethylene.
- 5. An insecticidal, acaricidal or nematocidal composition according to claim 4 wherein the active ingredient compound is O-ethyl-S-sec-butyl-1-pyrrolidinyl-phosphonothiolate.
- 6. An insecticidal, acaricidal or nematocidal composition comprising a carrier and as an active ingredient compound O-ethyl-S-sec-butyl-(3-methyl-2-cyanoimino-1-tetrahydropyrimidinyl)phosphonothiolate.
Priority Claims (2)
Number |
Date |
Country |
Kind |
2-178825 |
Jul 1990 |
JPX |
|
3-75327 |
Apr 1991 |
JPX |
|
Parent Case Info
This is a division of application Ser. No. 07/726,211, filed on Jul. 5, 1991, now U.S. Pat. No. 5,280,123.
US Referenced Citations (7)
Foreign Referenced Citations (3)
Number |
Date |
Country |
0464830 |
Jan 1992 |
EPX |
0403376 |
Jun 1966 |
CHX |
1768607 |
Oct 1992 |
SUX |
Divisions (1)
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Number |
Date |
Country |
Parent |
726211 |
Jul 1991 |
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