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US3928353A
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Pyrimidyl phosphoro-and thiophosphoroamidates
Assignee: Sandoz AG
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Filing: 1973-11-28
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Granted: 1975-12-23
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Expires: 1993-11-28
Abstract
Abstract WHEREIN R1, R2, R3 and R4 are inter alia each alkyl, Q and Y are each oxygen or sulphur and Z is oxygen or >NR5, wherein R5 is hydrogen or alkyl of 1 to 5 carbon atoms. The compounds possess insecticidal activity. The present invention concerns novel pyrimidinyl phosphoric and thiophosphoric acid esters of the formula:
Inventors
- 👤 Karlheinz Milzner
- 👤 Fritz Reisser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:14
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/645; C07F9/6509; C07F9/6512
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA:
Claim 3
Dependent Claim
10 words
A compound according to claim 1, wherein Q is sulphur.
Claim 4
Dependent Claim
10 words
A compound according to claim 2, wherein Y is oxygen.
Claim 5
Dependent Claim
10 words
A compound according to claim 1, wherein Q is oxygen.
Claim 6
Dependent Claim
10 words
A compound according to claim 4, wherein Y is oxygen.
Claim 7
Dependent Claim
10 words
A compound according to claim 5, wherein Z is NH.
Claim 8
Dependent Claim
32 words
A compound according to claim 6, wherein R1 is methyl. or ethyl, R2 is methyl or ethyl, R3 is methyl, ethyl, n-propyl or isopropyl and R4 is methyl, ethyl, n-propyl or isopropyl.
Claim 9
Dependent Claim
8 words
The compound of claim 7, which is O-methyl-N-methyl-O-(2-n-propyl-4-methoxy-pyrimidinyl-6)-phosphoramidate.
Claim 10
Dependent Claim
10 words
A compound of claim 1, in which R3 is alkyl.
References Cited (Backward Citations)
US2754243A
Cited
US3159630A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-22 | 1979-06-23 | 1979-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-22 | 1983-06-23 | 1983-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-22 | 1987-06-23 | 1987-12-23 | $7700.00 | Window Closed / Lapsed |