JPS57144293A - Beta-phenethylphosphonic ester derivative, its preparation and herbicide containing the same as active constituent - Google Patents

Beta-phenethylphosphonic ester derivative, its preparation and herbicide containing the same as active constituent

Info

Publication number
JPS57144293A
JPS57144293A JP56030994A JP3099481A JPS57144293A JP S57144293 A JPS57144293 A JP S57144293A JP 56030994 A JP56030994 A JP 56030994A JP 3099481 A JP3099481 A JP 3099481A JP S57144293 A JPS57144293 A JP S57144293A
Authority
JP
Japan
Prior art keywords
phenethylphosphonic
beta
preparation
same
alkyl
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
Application number
JP56030994A
Other languages
Japanese (ja)
Inventor
Mitsuru Sasaki
Haruhiko Kato
Keiji Matsumoto
Kunio Mukai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to JP56030994A priority Critical patent/JPS57144293A/en
Publication of JPS57144293A publication Critical patent/JPS57144293A/en
Pending legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

NEW MATERIAL:A compound of formulaI[R1 is ≥2C lower alkyl; R2 and R3 are H, alkyl, (phenyl)alkenyl; alkynyl, alkylthio, phenylthio or (substituted)aralkyl; however, are not H at the same time; R4 is H or methyl; X is halogen; n is an integer 0W2].
EXAMPLE: O,O,α-Triisopropyl β-phenethylphosphonate.
USE: A selective herbicide, having powerful weeding action on a wide range of weeds by the foliar treatment after the germination with very low phytotoxicity to important crops, e.g. cotton, soybenas, rice plants, etc., and particularly exhibiting improved selectivity for cotton by the foliar treatment.
PROCESS: A β-phenethylphosphonic ester of formula II is reacted with a halide of the formula R5Y[R5 is alkyl, alkynyl or (substituted)aralkyl; Y is halogen]in the presence of a base to give the compound of formulaI(R2 and R3 are R5; or R2 is R5 and R3 is H).
COPYRIGHT: (C)1982,JPO&Japio
JP56030994A 1981-03-03 1981-03-03 Beta-phenethylphosphonic ester derivative, its preparation and herbicide containing the same as active constituent Pending JPS57144293A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56030994A JPS57144293A (en) 1981-03-03 1981-03-03 Beta-phenethylphosphonic ester derivative, its preparation and herbicide containing the same as active constituent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56030994A JPS57144293A (en) 1981-03-03 1981-03-03 Beta-phenethylphosphonic ester derivative, its preparation and herbicide containing the same as active constituent

Publications (1)

Publication Number Publication Date
JPS57144293A true JPS57144293A (en) 1982-09-06

Family

ID=12319148

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56030994A Pending JPS57144293A (en) 1981-03-03 1981-03-03 Beta-phenethylphosphonic ester derivative, its preparation and herbicide containing the same as active constituent

Country Status (1)

Country Link
JP (1) JPS57144293A (en)

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