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EP0177032B1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Tetrahydrophthalimides, and their production and use

Assignee: Sumitomo Chemical Co Ltd
•
Filing: 1985-10-02
•
Granted: 1990-01-10
•
Expires: 2005-10-02
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Abstract

No abstract record available.

Inventors

  • 👤 Toru Haga
  • 👤 Eiki Nagano
  • 👤 Ryo Sato
  • 👤 Kouichi Morita

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-05 18:35
CPC Classifications
C; C07; C07D; C07D403/00; C07D403/02; C07D403/04; A; A01; A01N; A01N43/00; A01N43/48; A01N43/60; C07D209/00; C07D209/02; C07D209/44; C07D209/48

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 90 words
A compound of the formula: wherein R 1 is a C 1 ―C 5 alkyl group, a C 3 -C 5 alkenyl group, a C 3― C 5 alkynyl group or a C 1 ―C 3 alkoxymethyl group, X is a hydrogen atom, a fluorine atom or a chlorine atom and A is a group of the formula: in which R 2 is a hydrogen atom or a methyl group, R 3 is a hydrogen atom or a methyl group and the nitrogen atom is bonded to the benzene ring.
Claim 2
Dependent Claim 90 words
A compound of the formula: wherein R 1 is a C 1 ―C 5 alkyl group, a C 3 -C 5 alkenyl group, a C 3― C 5 alkynyl group or a C 1 ―C 3 alkoxymethyl group, X is a hydrogen atom, a fluorine atom or a chlorine atom and A is a group of the formula: in which R 2 is a hydrogen atom or a methyl group, R 3 is a hydrogen atom or a methyl group and the nitrogen atom is bonded to the benzene ring.
Claim 3
Dependent Claim 12 words
The compound according to claim 1, wherein X is a fluorine atom.
Claim 4
Dependent Claim 14 words
The compound according to claim 1, wherein A is CH 2 ―NH― or ―CH=N―.
Claim 5
Dependent Claim 22 words
The compound according to claim 1, wherein A is―CHz―NH― or-CH=N- and R 1 is―CH 2 C≡CH or -CH 2 CH=CH 2 .
Claim 6
Dependent Claim 9 words
The compound according to claim 1, which is 2-[1-(2-propenyl)-2(1H)-quinoxalinon-7-yl]-4,5,6,7-tetrahydro-2H-isoindole-1,3-dione.
Claim 7
Dependent Claim 9 words
The compound according to claim 1, which is 2-[3,4-dihydro-1-(2-propynyl)-2(1H)-quinoxalinon-7-yl]-4,5,6,7-tetrahydro-2H-isoindole-1,3-dione.
Claim 8
Dependent Claim 9 words
The compound according to claim 1, which is 2-[6-fluoro-1-(2-propenyl)-2(1H)-quinoxalinon-7-yl]-4,5,6,7-tetrahydro-2H-isoindole-1,3-dione.
Claim 9
Dependent Claim 9 words
The compound according to claim 1, which is 2-[3,4-dihydro-6-fluoro-1-(2-propynyl)-2(1H)-quinoxalinon-7-yl]-4,5,6,7-tetrahydro-2H-isoindole-1,3-dione.
Claim 10
Dependent Claim 53 words
A process for preparing the compound according to claim 1, which comprises reacting a quinoxaline of the formula: wherein X and A are each as defined above with a halide of the formula: wherein R 1 is as defined above and Y is a chlorine atom, a bromine atom or an iodine atom.
Claim 11
Dependent Claim 25 words
A composition which comprises as an active ingredient a herbicidally effective amount of the compound according to claim 1, and an inert carrier or diluent.
Claim 12
Dependent Claim 34 words
A method for exterminating harmful weeds which comprises applying as an active ingredient a herbicidally effective amount of the compound according to claim 1 to the area where the weeds grow or will grow.
Claim 13
Dependent Claim 11 words
Use of the compound according to claim 1 as a herbicide.
Claim 14
Dependent Claim 53 words
A compound of the formula: wherein X is a hydrogen atom, a fluorine atom or a chlorine atom and A is in which R 2 is a hydrogen atom or a methyl group, R 3 is a hydrogen atom or a methyl group and the nitrogen atom is bonded to the benzene ring.
Claim 15
Dependent Claim 53 words
A compound of the formula: wherein X is a hydrogen atom, a fluorine atom or a chlorine atom and A is in which R 2 is a hydrogen atom or a methyl group, R 3 is a hydrogen atom or a methyl group and the nitrogen atom is bonded to the benzene ring.

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