JPS57149267A - N-substituted-delta1-tetrahydrophthalimide derivative, its preparation and herbicide containing the same as active constituent - Google Patents
N-substituted-delta1-tetrahydrophthalimide derivative, its preparation and herbicide containing the same as active constituentInfo
- Publication number
- JPS57149267A JPS57149267A JP56106286A JP10628681A JPS57149267A JP S57149267 A JPS57149267 A JP S57149267A JP 56106286 A JP56106286 A JP 56106286A JP 10628681 A JP10628681 A JP 10628681A JP S57149267 A JPS57149267 A JP S57149267A
- Authority
- JP
- Japan
- Prior art keywords
- compound expressed
- formula
- substituted
- tetrahydrophthalimide
- delta1
- 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
Landscapes
- Indole Compounds (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
NEW MATERIAL:An N-substituted-Δ1-tetrahydrophthalimide derivative expressed by formulaI(R1 is halogen; R2 is H or halogen; R3 is H or lower alkyl; R4 is alkyl having a cyano group).
EXAMPLE: N-[4-Chloro-3-( 1'-cyanoethoxy )carbonylphenyl]-Δ1-tetrahydrophthalimide.
USE: A herbicide, capable of exhibiting a high weeding activity, and improved weeding effects on annula and perenyial weeds in paddy fields even in a small amount of the chemical, and further effects by the pre-emergence treatment and treatment in the growth period in plowed fields.
PROCESS: A compound expressed by formula II is reacted with a compound expressed by formula III under mild conditions to give a compound expressed by formula IV, which is then cyclized under heating or esterified to afford a compound expressed by formula V. The resultant compound expressed by formula V is then cyclized under heating to give the compound expressed by formulaI.
COPYRIGHT: (C)1982,JPO&Japio
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN4605MA1981 | 1981-03-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57149267A true JPS57149267A (en) | 1982-09-14 |
Family
ID=11096897
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56106286A Pending JPS57149267A (en) | 1981-03-09 | 1981-07-09 | N-substituted-delta1-tetrahydrophthalimide derivative, its preparation and herbicide containing the same as active constituent |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57149267A (en) |
-
1981
- 1981-07-09 JP JP56106286A patent/JPS57149267A/en active Pending
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