EP0107957A1
Expired / Lapsed
EP
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A dithiolphosphoric acid ester as a soil pesticide
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1983-10-20
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Granted: —
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Expires: 2003-10-20
Abstract
Abstract A dithiolphosphoric acid ester of the formula:wherein R is a methyl or ethyl group, and when R is a methyl group, A is an iso-butyl, sec-butyl or tert-butyl group and B is a methyl, ethyl or n-propyl group, and when R is an ethyl group, either (1) A is a sec-butyl or tert-butyl group and B is a methyl group, or (2) A is an iso-butyl group, and B is a methyl, ethyl or n-propyl group. These esters are useful to combat soil pests.
Inventors
- 👤 Haruyasu Yamamoto
- 👤 Kiyoshi Kasamatsu
- 👤 Takayuki Okabe
- 👤 Kunio Mukai
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 06:46
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; A; A01; A01N; A01N57/00; A01N57/10; A01N57/12; C07F9/16; C07F9/165; C07F9/17
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
76 words
A dithiolphosphoric acid ester of the formula: wherein R is a methyl or ethyl group, and when R is a methyl group, A is an iso-butyl, sec-butyl or tert-butyl group and B is a methyl, ethyl or n-propyl group, and when R is an ethyl group, either (1) A is a sec-butyl or tert-butyl group and B is methyl group, or (2) A is an iso-butyl group and B is a methyl, ethyl or n-propyl group.
Claim 2
Dependent Claim
76 words
A dithiolphosphoric acid ester of the formula: wherein R is a methyl or ethyl group, and when R is a methyl group, A is an iso-butyl, sec-butyl or tert-butyl group and B is a methyl, ethyl or n-propyl group, and when R is an ethyl group, either (1) A is a sec-butyl or tert-butyl group and B is methyl group, or (2) A is an iso-butyl group and B is a methyl, ethyl or n-propyl group.
Claim 3
Dependent Claim
29 words
The dithiolphosphoric acid ester according to claim 1, wherein R is a methyl group, A is an iso- butyl, sec-butyl or tert-butyl group and B is a methyl group.
Claim 4
Dependent Claim
27 words
The dithiolphosphoric acid ester according to claim 1, wherein R is an ethyl group, A is a sec-butyl or tert-butyl group and B is a methyl group.
Claim 5
Dependent Claim
29 words
The dithiolphosphoric acid ester according to claim 1, wherein R is an ethyl group, A is an iso- butyl group and B is a methyl, ethyl or n-propyl group.
Claim 6
Dependent Claim
7 words
A dithiolphosphoric acid ester of the formula:
Claim 7
Dependent Claim
7 words
A dithiolphosphoric acid ester of the formula:
Claim 8
Dependent Claim
7 words
A dithiolphosphoric acid ester of the formula:
Claim 9
Dependent Claim
7 words
A dithiolphosphoric acid ester of the formula:
Claim 10
Independent Claim
91 words
A method of producing a dithiolphosphoric acid ester as defined in any one of the preceding claims which comprises reacting a thiophosphoric acid halide of the formula: wherein R is as defined in any one of claims 1 to 4, R' is A or B as defined in any one of claims 1 to 4 and X is a halogen atom, with an alkylmercaptan of the formula: R"SH wherein R" is the above B when the above R' is A, and is the above A when the above R' is B.
Claim 11
Independent Claim
99 words
A method of producing a dithiolphosphoric acid ester as defined in any one of claims 1 to 6 which comprises reacting a dithiolphasphoric acid salt of the formula: wherein R is as defined in any one of claims 1 to 4, R' is A or B as defined in any one of claims 1 to 4 and M is an alkali metal, with an alkyl halide of the formula: R" - Y wherein R" is the above B when the above R' is the above A, and is the above A when the above R' is the above B.
Claim 12
Dependent Claim
31 words
A soil pesticidal composition which comprises an inert carrier and a pesticidally effective amount of dithiolphosphoric acid ester according to any one of claims 1 to 6 as an active ingredient.
Claim 13
Independent Claim
40 words
A method of killing soil pest which comprises applying to the soil pest or to soil susceptible to infestation by such pests a pesticidally effective amount of the dithiolphosphoric acid ester according to any one of claims 1 to 6.
References Cited (Backward Citations)
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