Patent US4429119A successfully refreshed from Google Patents.
US4429119A
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5-Deoxy-3-O-arylmethyl or substituted arylmethyl-1, 2-0-alkylidene-alpha-D-xylofuranose herbicide derivatives
Assignee: Chevron USA Inc
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Filing: 1982-08-18
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Granted: 1984-01-31
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Expires: 2002-08-18
Abstract
Abstract 5-Deoxy-3-0-arylmethyl or substituted arylmethyl-1,2-0-alkylidene-a-D-xylofuranose and 5-C-alkyl and alkenyl derivatives thereof. The compounds are useful as herbicides and plant growth regulators.
Inventors
- 👤 William Loh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:31
CPC Classifications
C; C07; C07H; C07H9/00; C07H9/02; C07H9/04; A; A01; A01N; A01N43/00; A01N43/90; C07D; C07D307/00; C07D307/02; C07D307/04; C07D307/10
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
133 words
A compound having the formula: ##STR14## wherein R is lower alkyl having 1 through 4 carbon atoms or alkenyl having 2 through 4 carbon atoms; R 1 is 2-trifluoromethylphenyl, aryl having 6 through 10 carbon atoms or substituted aryl having 1 through 4 substituents independently selected from the group of lower alkyl having 1 through 4 carbon atoms, lower alkoxy having 1 through 4 carbon atoms, and halo, with the proviso that when R 1 is substituted aryl having more than two halo substituents or is 2,3- or 2,4-dihalophenyl, then R is alkyl; and R 2 and R 3 are independently hydrogen or lower alkyl with the proviso that when R is methyl, butyl, vinyl, 2-allyl or but-1-enyl, and R 2 and R 3 are each methyl, then R 1 is not phenyl.
Claim 2
Dependent Claim
133 words
A compound having the formula: ##STR14## wherein R is lower alkyl having 1 through 4 carbon atoms or alkenyl having 2 through 4 carbon atoms; R 1 is 2-trifluoromethylphenyl, aryl having 6 through 10 carbon atoms or substituted aryl having 1 through 4 substituents independently selected from the group of lower alkyl having 1 through 4 carbon atoms, lower alkoxy having 1 through 4 carbon atoms, and halo, with the proviso that when R 1 is substituted aryl having more than two halo substituents or is 2,3- or 2,4-dihalophenyl, then R is alkyl; and R 2 and R 3 are independently hydrogen or lower alkyl with the proviso that when R is methyl, butyl, vinyl, 2-allyl or but-1-enyl, and R 2 and R 3 are each methyl, then R 1 is not phenyl.
Claim 3
Dependent Claim
28 words
The compound of claim 1 wherein R 1 is aryl or monosubstituted aryl having a sole substituent selected from the group of lower alkyl, lower alkoxy, and halo.
Claim 4
Dependent Claim
21 words
The compound of claim 2 wherein R 1 is phenyl or monosubstituted phenyl having its sole substituent at the 2 position.
Claim 5
Dependent Claim
10 words
The compound of claim 3 wherein R is lower alkyl.
Claim 6
Dependent Claim
21 words
The compound of claim 4 wherein R is ethyl or propyl and R 1 is phenyl, 2-chlorophenyl, or 2-fluorophenyl or 2-methylphenyl.
Claim 7
Dependent Claim
14 words
The compound of claim 5 wherein R 2 and R 3 are each methyl.
Claim 8
Dependent Claim
10 words
The compound of claim 1 wherein R is lower alkyl.
Claim 9
Dependent Claim
11 words
The compound of claim 7 wherein R is ethyl or propyl.
Claim 10
Dependent Claim
15 words
The compound of claim 1 wherein R is alkenyl having 2 through 4 carbon atoms.
Claim 11
Dependent Claim
23 words
The compound of claim 9 wherein R 2 and R 3 are each methyl and R 1 is phenyl, 2-chlorophenyl, 2-fluorophenyl or 2-methylphenyl.
Claim 12
Dependent Claim
14 words
The compound of claim 1 wherein R 2 and R 3 are each methyl.
Claim 13
Dependent Claim
14 words
The compound of claim 11 wherein R is ethyl and R 1 is phenyl.
Claim 14
Dependent Claim
14 words
The compound of claim 11 wherein R is ethyl and R 1 is 2-chlorophenyl.
Claim 15
Dependent Claim
14 words
The compound of claim 11 wherein R is ethyl and R 1 is 2-fluorophenyl.
Claim 16
Dependent Claim
14 words
The compound of claim 11 wherein R is ethyl and R 1 is 2-methylphenyl.
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) | 1987-01-30 | 1987-08-01 | 1988-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-30 | 1991-08-01 | 1992-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-30 | 1995-08-01 | 1996-01-31 | $7700.00 | Window Closed / Lapsed |