Patent US4472190A successfully refreshed from Google Patents.
← Back to Patent Explorer
US4472190A Expired / Lapsed US ⏱️ 0.0 years remaining

N-Substituted-tetrahydroisophthalimide derivatives

Assignee: Nippon Kayaku Co Ltd
•
Filing: 1982-08-18
•
Granted: 1984-09-18
•
Expires: 2002-08-18
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

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)

US3990880A Cited
US4148625A Cited
JPS54125652A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag