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US4472190A
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N-Substituted-tetrahydroisophthalimide derivatives
Assignee: Nippon Kayaku Co Ltd
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Filing: 1982-08-18
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Granted: 1984-09-18
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Expires: 2002-08-18
Abstract
Abstract A new N-substituted tetrahydroisophthalimde derivative represented by the formula: ##STR1## Wherein R 1 and R 2 are hydrogen or halogen, R 3 is hydrogen or lower alkyl and R 4 is alkyl which may be substituted by halogen or lower alkoxy, and preparation methods thereof and herbicidal composition comprising one or more of said derivatives as active ingredients, is disclosed.
Inventors
- 👤 Mikio Yanagi
- 👤 Osamu Yamada
- 👤 Fumio Futatsuya
- 👤 Atsuhiko Shida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:21
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/77; C07D307/87; C07D307/90; A; A01; A01N; A01N43/00; A01N43/02; A01N43/04; A01N43/06; A01N43/12
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
45 words
An N-substituted-tetrahydroisophthalimide derivative represented by the formula: ##STR16## wherein R 1 and R 2 are hydrogen or halogen, R 3 is hydrogen or lower alkyl and R 4 is alkyl having 1 to 8 carbon atoms which may be substituted by halogen or lower alkoxy.
Claim 2
Dependent Claim
45 words
An N-substituted-tetrahydroisophthalimide derivative represented by the formula: ##STR16## wherein R 1 and R 2 are hydrogen or halogen, R 3 is hydrogen or lower alkyl and R 4 is alkyl having 1 to 8 carbon atoms which may be substituted by halogen or lower alkoxy.
Claim 3
Dependent Claim
43 words
The N-substituted-tetrahydroisophthalimide derivative according to claim 1 wherein R 1 and R 2 are hydrogen or halogen, R 3 is hydrogen or lower alkyl and R 4 is chain alkyl having 1 to 8 carbon atoms which may be substituted by lower alkoxy.
Claim 4
Dependent Claim
39 words
The N-substituted-tetrahydroisophthalimide derivative according to claim 1 wherein R 1 is Cl or Br, R 2 is hydrogen, Cl or F, R 3 is hydrogen or methyl and R 4 is chain alkyl having 2 to 4 carbon atoms.
Claim 5
Dependent Claim
11 words
The compound of claim 3 which is N-(4-chloro-3-ethoxycarbonylphenyl) Δ 1 -tetrahydroisophthalimide.
Claim 6
Dependent Claim
11 words
The compound of claim 3 which is N-(4-chloro-3-isopropoxycarbonylphenyl) Δ 1 -tetrahydroisophthalimide.
Claim 7
Dependent Claim
11 words
The compound of claim 3 which is N-(4-chloro-3-sec-butoxycarbonylphenyl) Δ 1 -tetrahydroisophthalimide.
Claim 8
Dependent Claim
23 words
The compound of claim 3 which is represented by the formula: ##STR17## wherein methyl is bonded at 4- or 5-position of tetrahydrobenzene ring.
Claim 9
Dependent Claim
11 words
The compound of claim 3 which is N-(4,6-dichloro-3-isopropoxycarbonylphenyl) Δ 1 -tetrahydroisophthalimide.
Claim 10
Dependent Claim
11 words
The compound of claim 3 which is N-(4-bromo-3-isopropoxycarbonylphenyl) Δ 1 -tetrahydroisophthalimide.
Claim 11
Dependent Claim
23 words
The compound of claim 3 which is represented by the formula: ##STR18## wherein methyl is bonded at 4- or 5-position of tetrahydrobenzene ring.
Claim 12
Dependent Claim
11 words
The compound of claim 3 which is N-(4-chloro-6-fluoro-3-isopropoxycarbonylphenyl) Δ 1 -tetrahydroisophthalimide.
Claim 13
Dependent Claim
23 words
The compound of claim 3 which is represented by the formula: ##STR19## wherein methyl is bonded at 4- or 5-position of tetrahydrobenzene ring.
Claim 14
Dependent Claim
11 words
The compound of claim 3 which is N-(4-bromo-6-fluoro-3-isopropoxycarbonylphenyl) Δ 1 -tetrahydroisophthalimide.
Claim 15
Dependent Claim
23 words
The compound of claim 3 which is represented by the formula: ##STR20## wherein methyl is bonded at 4- or 5-position of tetrahydrobenzene ring.
Claim 16
Dependent Claim
60 words
A herbicidal composition comprising an effective herbicidal amount of an N-substituted-tetrahydroisophthalimide derivative as an active ingredient, represented by the formula: ##STR21## wherein R 1 and R 2 are hydrogen or halogen, R 3 is hydrogen or lower alkyl and R 4 is alkyl having 1 to 8 carbon atoms which may be substituted by hydrogen or lower alkoxy and adjuvants.
Claim 17
Dependent Claim
60 words
A herbicidal composition comprising an effective herbicidal amount of an N-substituted-tetrahydroisophthalimide derivative as an active ingredient, represented by the formula: ##STR21## wherein R 1 and R 2 are hydrogen or halogen, R 3 is hydrogen or lower alkyl and R 4 is alkyl having 1 to 8 carbon atoms which may be substituted by hydrogen or lower alkoxy and adjuvants.
Claim 18
Dependent Claim
34 words
A herbicidal composition according to claim 15 comprising 0.1 to 95% by weight of an N-substituted-tetrahydroisophthalimide derivative as an active ingredient as claimed in claim 1 and 5 to 99.9% by weight of adjuvants.
Claim 19
Dependent Claim
55 words
The herbicidal composition according to claim 15 comprising N-substituted-tetrahydroisophthalimide derivative as an active ingredient, represented by the formula (1) wherein R 1 and R 2 are hydrogen or halogen, R 3 is hydrogen or lower alkyl and R 4 is chain alkyl having 1 to 8 carbon atoms which may be substituted by lower alkoxy.
Claim 20
Dependent Claim
51 words
The herbicidal composition according to claim 15 comprising N-substituted-tetrahyaroisophthalimide derivative as an active ingredient, represented by the formula (1) wherein R 1 is Cl or Br, R 2 is hydrogen, Cl or F, R 3 is hydrogen or methyl and R 4 is chain alkyl having 2 to 4 carbon atoms.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1987-09-18 | 1988-03-19 | 1988-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-09-18 | 1992-03-19 | 1992-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-09-18 | 1996-03-19 | 1996-09-18 | $7700.00 | Window Closed / Lapsed |