JPS54125652A - Tetrahydrophthalisoimide and herbicides comprising it - Google Patents
Tetrahydrophthalisoimide and herbicides comprising itInfo
- Publication number
- JPS54125652A JPS54125652A JP3278478A JP3278478A JPS54125652A JP S54125652 A JPS54125652 A JP S54125652A JP 3278478 A JP3278478 A JP 3278478A JP 3278478 A JP3278478 A JP 3278478A JP S54125652 A JPS54125652 A JP S54125652A
- Authority
- JP
- Japan
- Prior art keywords
- formula
- tetrahydrophthalisoimide
- benzyloxyphenyl
- herbicides
- rice
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
NEW MATERIAL:A N-(p-benzyloxyphenyl)-3,4,5,6-tetrahydrophthalisoimide of formula I: (R1 and R2 are H or CH3 groups; R3 is H, halogen, or lower alkyl group).
USE: Herbicides effective for barnyard grass and three-square grass which are narrow leaved weeds, very little damage to rice plants, and useful before and after the rice-planting.
PROCESS: A 2-[(p-benzyloxyphenyl) carbamoyl]-1-cyclohexene-1-carboxylic acid of formula II is dehydrated in the presence of dicyclohexylcarbodiimide of formula III or trifluoroacetic anhydride and triethylamine in a solvent, e.g. CCl4, THF, or dioxane, at-10W50°C to give the desired compound of formula I.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3278478A JPS54125652A (en) | 1978-03-22 | 1978-03-22 | Tetrahydrophthalisoimide and herbicides comprising it |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3278478A JPS54125652A (en) | 1978-03-22 | 1978-03-22 | Tetrahydrophthalisoimide and herbicides comprising it |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54125652A true JPS54125652A (en) | 1979-09-29 |
Family
ID=12368469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3278478A Pending JPS54125652A (en) | 1978-03-22 | 1978-03-22 | Tetrahydrophthalisoimide and herbicides comprising it |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54125652A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4472190A (en) * | 1981-08-25 | 1984-09-18 | Nippon Kayaku Kabushiki Kaisha | N-Substituted-tetrahydroisophthalimide derivatives |
JPH02142745A (en) * | 1988-11-24 | 1990-05-31 | Arakawa Chem Ind Co Ltd | Optically active compound, production thereof and liquid crystal composition |
-
1978
- 1978-03-22 JP JP3278478A patent/JPS54125652A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4472190A (en) * | 1981-08-25 | 1984-09-18 | Nippon Kayaku Kabushiki Kaisha | N-Substituted-tetrahydroisophthalimide derivatives |
JPH02142745A (en) * | 1988-11-24 | 1990-05-31 | Arakawa Chem Ind Co Ltd | Optically active compound, production thereof and liquid crystal composition |
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