US3932410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-Thiadiazolyl-6-alkoxytetrahydropyrimidinones
Assignee: Velsicol Chemical LLC
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Filing: 1974-11-01
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Granted: 1976-01-13
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Expires: 1994-11-01
Abstract
Abstract Disclosed are new compounds of the formula ##EQU1## wherein R 1 is selected from the group consisting of alkyl, alkenyl, haloalkyl, alkoxy, alkylthio, alkylsulfonyl and alkylsulfinyl; R 2 is selected from the group consisting of alkyl, alkenyl, haloalkyl and ##EQU2## wherein R 3 and R 4 are each selected from the group consisting of hydrogen and alkyl; and R 5 is alkyl. The subject compounds are useful as herbicides.
Inventors
- 👤 John Krenzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:03
CPC Classifications
C; C07; C07D; C07D285/00; C07D285/01; C07D285/02; C07D285/04; C07D285/12; C07D285/125; C07D285/135; A; A01; A01N; A01N43/00; A01N43/72; A01N43/82
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
77 words
A compound of the formula ##EQU12## wherein R 1 is selected from the group consisting of lower alkyl, lower alkenyl, lower chloroalkyl, lower bromoalkyl, trifluoromethyl, lower alkoxy, lower alkylthio, lower alkylsulfonyl and lower alkylsulfinyl; R 2 is selected from the group consisting of lower alkyl, lower alkenyl, lower chloroalkyl, lower bromoalkyl, and ##EQU13## wherein R 3 and R 4 are each selected from the group consisting of hydrogen and lower alkyl; and R 5 is lower alkyl.
Claim 2
Dependent Claim
77 words
A compound of the formula ##EQU12## wherein R 1 is selected from the group consisting of lower alkyl, lower alkenyl, lower chloroalkyl, lower bromoalkyl, trifluoromethyl, lower alkoxy, lower alkylthio, lower alkylsulfonyl and lower alkylsulfinyl; R 2 is selected from the group consisting of lower alkyl, lower alkenyl, lower chloroalkyl, lower bromoalkyl, and ##EQU13## wherein R 3 and R 4 are each selected from the group consisting of hydrogen and lower alkyl; and R 5 is lower alkyl.
Claim 3
Dependent Claim
8 words
A compound of claim 1 which is, tetrahydro-1-(5-methyl-1,3,4-thiadiazol-2-yl)-3-methyl-6-methoxy-2(1H)-pyrimidinone.
Claim 4
Dependent Claim
8 words
A compound of claim 1 which is, tetrahydro-1-(5-methoxy-1,3,4-thiadiazol-2-yl)-3-ethyl-6-ethoxy-2(1H)-pyrimidinone.
Claim 5
Dependent Claim
8 words
A compound of claim 1 which is, tetrahydro-1-(5-methylthio-1,3,4-thiadiazol-2-yl)-3-propyl-6-propoxy-2(1H)-pyrimidinone.
Claim 6
Dependent Claim
8 words
A compound of claim 1 which is, tetrahydro-1-(5-methylsulfonyl-1,3,4-thiadiazol-2-yl)-3-allyl-6-butoxy-2(1H)-pyrimidinone.
Claim 7
Dependent Claim
8 words
A compound of claim 1 which is, tetrahydro-1-(5-methylsulfinyl-1,3,4-thiadiazol-2-yl)-3-propargyl-6-hexyloxy-2(1H)-pyrimidinone.
Claim 8
Dependent Claim
8 words
A compound of claim 1 which is, tetrahydro-1-(5-trifluoromethyl-1,3,4-thiadiazol-2-yl)-3-methyl-6-methoxy-2(1H)-pyrimidinone.
Claim 9
Dependent Claim
8 words
A compound of claim 1 which is, tetrahydro-1-(5-t-butyl-1,3,4-thiadiazol-2-yl)-3-methyl-6-methoxy-2(1H)-pyrimidinone.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-01-12 | 1979-07-14 | 1980-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-12 | 1983-07-14 | 1984-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-12 | 1987-07-14 | 1988-01-13 | $7700.00 | Window Closed / Lapsed |