JPS5748990A - 2-nitro-5-substituted phenylphosphinic derivative, its preparation and herbicide - Google Patents
2-nitro-5-substituted phenylphosphinic derivative, its preparation and herbicideInfo
- Publication number
- JPS5748990A JPS5748990A JP12470980A JP12470980A JPS5748990A JP S5748990 A JPS5748990 A JP S5748990A JP 12470980 A JP12470980 A JP 12470980A JP 12470980 A JP12470980 A JP 12470980A JP S5748990 A JPS5748990 A JP S5748990A
- Authority
- JP
- Japan
- Prior art keywords
- derivative
- herbicide
- preparation
- formula
- nitro
- 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
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
NEW MATERIAL:The titled derivative of formula I (R1, R2 are lower alkyl, haloalkyl; R3 is substituted phenyl, substituted pyridyl).
EXAMPLE: Methyl 5-(2-chloro-4-trifluoromethylphenoxy)-2-nitrophenylmethylphosphinate.
USE: Herbicide for rice paddies: they show high herbicidal activity against annual and prennial weeds, especially against prennial weeds such as arrowheads. Further, their activity is prompt.
PREPARATION: For example, the reaction between a dinitrobenzene derivative of formula II and a dialkyl phosphonite of formula III is effected in the presence or absence of an inert solvent such as acetonitrile, preferably at room temperature for 30minW3hr.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12470980A JPS5748990A (en) | 1980-09-10 | 1980-09-10 | 2-nitro-5-substituted phenylphosphinic derivative, its preparation and herbicide |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12470980A JPS5748990A (en) | 1980-09-10 | 1980-09-10 | 2-nitro-5-substituted phenylphosphinic derivative, its preparation and herbicide |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5748990A true JPS5748990A (en) | 1982-03-20 |
Family
ID=14892155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12470980A Pending JPS5748990A (en) | 1980-09-10 | 1980-09-10 | 2-nitro-5-substituted phenylphosphinic derivative, its preparation and herbicide |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5748990A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4499271A (en) * | 1982-08-20 | 1985-02-12 | Zoecon Corporation | 3-Phosphinyloxy-4-(substituted phenoxy)alkenoic acid esters |
JPS6161089U (en) * | 1984-09-26 | 1986-04-24 | ||
JP5087633B2 (en) * | 2007-10-01 | 2012-12-05 | 三鷹光器株式会社 | Solar heat utilization system and plant cultivation and livestock breeding method using the same |
-
1980
- 1980-09-10 JP JP12470980A patent/JPS5748990A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4499271A (en) * | 1982-08-20 | 1985-02-12 | Zoecon Corporation | 3-Phosphinyloxy-4-(substituted phenoxy)alkenoic acid esters |
JPS6161089U (en) * | 1984-09-26 | 1986-04-24 | ||
JPH0137737Y2 (en) * | 1984-09-26 | 1989-11-14 | ||
JP5087633B2 (en) * | 2007-10-01 | 2012-12-05 | 三鷹光器株式会社 | Solar heat utilization system and plant cultivation and livestock breeding method using the same |
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