BE639645A - - Google Patents

Info

Publication number
BE639645A
BE639645A BE639645DA BE639645A BE 639645 A BE639645 A BE 639645A BE 639645D A BE639645D A BE 639645DA BE 639645 A BE639645 A BE 639645A
Authority
BE
Belgium
Prior art keywords
emi
compounds
compositions
hydrogen
formula
Prior art date
Application number
Other languages
French (fr)
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.)
Publication of BE639645A publication Critical patent/BE639645A/fr

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N39/00Biocides, pest repellants or attractants, or plant growth regulators containing aryloxy- or arylthio-aliphatic or cycloaliphatic compounds, containing the group or, e.g. phenoxyethylamine, phenylthio-acetonitrile, phenoxyacetone

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

       

   <EMI ID=1.1> 

  
 <EMI ID=2.1>   <EMI ID=3.1> 

  
quee ainsi que leurs esters (voir brevet français no.

  
1 114 414 du 28 septembre 1954). Cependant, ces composes connus ne possèdent pas une activité herbicide particulièrement puissante et, avant tout, n'exercent pas une action sélective. Parmi ces composes antérieurement .connus,

  
 <EMI ID=4.1> 

  

 <EMI ID=5.1> 


  
 <EMI ID=6.1> 

  
l'hydrogène et des restes alkyle comprenant de 1 à 2 atomes de carbone, X signifie de l'hydrogène, des restes alkyle comprenant de 1 à 2 atomes de carbone et/ou atomes d'halogène et

  
 <EMI ID=7.1> 

  
ont la propriété d'influencer fortement la croissance des plantes.

  
On peut qualifier d'absolument surprenant le fait que les

  
 <EMI ID=8.1>   <EMI ID=9.1> 

  
acétique. Ceci est valable notamment pour la lutte contre le millet, une mauvaise herbe qui envahit des plantations de riz. De plus, on a constate avec surprise que les divers composés conformes à l'invention exercent aussi une action sélective. Il est possible, par exemple, de

  
 <EMI ID=10.1> 

  
bien dans lea plantations de coton que dans celles de l'avoine.

  
 <EMI ID=11.1> 

  
l'invention sont nettement caractérisées par la formule

  
 <EMI ID=12.1> 

  
tandis que X représente de l'hydrogène, et en particulier du oulore. Le noyau aromatique est substitua de préférence par 2 à 4 atomes de chlore.

  
Comme exemples de composés utilisables selon l'invention, on mentionnera en particulier les suivante!
 <EMI ID=13.1> 
 
 <EMI ID=14.1> 
 <EMI ID=15.1> 

  
anémie 20 (1879) page 267. 

  
Les nouveaux composée peuvent être préparée de façon  simple suivant des méthodes connues dans leur principe*, 

  
Il est possible, par exemple, de préparer les composée  à partir des nitriles correspondants de l'acide phenoxy-

  
 <EMI ID=16.1> 

  
température ambiante. On peut aussi obtenir les composée

  
 <EMI ID=17.1> 

  
phospnore conjointement dans un solvant inerte, par exem- 

  
 <EMI ID=18.1> 

  
influencer la oroissanoe des plantes, de préférence comme

  
 <EMI ID=19.1> 

  
exemple entre les semailles et la levée des plantes cul-

  
 <EMI ID=20.1> 

  
levée des plantes cultivées. 

  
 <EMI ID=21.1> 

  
sèment sous la forme des compositions habituelles. Les compositions peuvent se présenter à l'état liquide, par exemple soua la forme d'émulsions ou de dispersions, ou à l'état solide, par exemple sous la forme de poudres* La préparation des compositions liquides et solides s'effectue de manière connue avec

  
 <EMI ID=22.1> 

  
ces à expérimenter, dans une concentration déterminée. La concentration dépend essentiellement de la quantité de produit actif appliquée par unité de surface. 3 semaines après le traitement on procède l'évaluation des dommages causes. Les résultats obtenus sont rassembles au tableau ci-après!  
 <EMI ID=23.1> 
  <EMI ID=24.1>   <EMI ID=25.1> 
 <EMI ID=26.1> 
 <EMI ID=27.1> 

  
 <EMI ID=28.1> 

  
de carbone et/ou atomes d'halogène et n désigne un nombre entier de 1 à 3. 

  
 <EMI ID=29.1> 

  
risé en ce que l'on applique des composés de formule



   <EMI ID = 1.1>

  
 <EMI ID = 2.1> <EMI ID = 3.1>

  
quee as well as their esters (see French patent no.

  
1,114,414 of September 28, 1954). However, these known compounds do not possess a particularly potent herbicidal activity and, above all, do not exert a selective action. Among these previously known compounds,

  
 <EMI ID = 4.1>

  

 <EMI ID = 5.1>


  
 <EMI ID = 6.1>

  
hydrogen and alkyl radicals comprising from 1 to 2 carbon atoms, X signifies hydrogen, alkyl radicals comprising from 1 to 2 carbon atoms and / or halogen atoms and

  
 <EMI ID = 7.1>

  
have the property of strongly influencing the growth of plants.

  
It can be described as absolutely surprising that the

  
 <EMI ID = 8.1> <EMI ID = 9.1>

  
acetic. This is particularly valid for the fight against millet, a weed which invades rice plantations. In addition, it was surprisingly found that the various compounds in accordance with the invention also exert a selective action. It is possible, for example, to

  
 <EMI ID = 10.1>

  
well in cotton plantations than in oats.

  
 <EMI ID = 11.1>

  
the invention are clearly characterized by the formula

  
 <EMI ID = 12.1>

  
while X represents hydrogen, and in particular oulore. The aromatic nucleus is preferably substituted by 2 to 4 chlorine atoms.

  
As examples of compounds which can be used according to the invention, the following will be mentioned in particular!
 <EMI ID = 13.1>
 
 <EMI ID = 14.1>
 <EMI ID = 15.1>

  
anemia 20 (1879) page 267.

  
The new compounds can be prepared in a simple way using methods known in principle *,

  
It is possible, for example, to prepare the compounds from the corresponding nitriles of phenoxy- acid.

  
 <EMI ID = 16.1>

  
ambient temperature. We can also get the composite

  
 <EMI ID = 17.1>

  
phosphate together in an inert solvent, e.g.

  
 <EMI ID = 18.1>

  
influence plant growth, preferably as

  
 <EMI ID = 19.1>

  
example between sowing and the emergence of cul-

  
 <EMI ID = 20.1>

  
emergence of cultivated plants.

  
 <EMI ID = 21.1>

  
sown in the form of the usual compositions. The compositions can be in the liquid state, for example in the form of emulsions or dispersions, or in the solid state, for example in the form of powders. The preparation of the liquid and solid compositions is carried out in a known with

  
 <EMI ID = 22.1>

  
these to be experienced, in a determined concentration. The concentration depends essentially on the amount of active product applied per unit area. 3 weeks after the treatment, the damage caused is assessed. The results obtained are collated in the table below!
 <EMI ID = 23.1>
  <EMI ID = 24.1> <EMI ID = 25.1>
 <EMI ID = 26.1>
 <EMI ID = 27.1>

  
 <EMI ID = 28.1>

  
of carbon and / or halogen atoms and n denotes an integer from 1 to 3.

  
 <EMI ID = 29.1>

  
ized in that one applies compounds of formula


    

Claims (1)

suivant la revendication A. according to claim A. C) Procédé de préparation d'agents de lutte contre les mauvaises herbes, caractérisé en ce que l'on utilise comme agent actif des composés de formule suivant la revendication A. C) Process for the preparation of agents for controlling weeds, characterized in that compounds of the formula according to claim A.
BE639645D 1963-11-05 BE639645A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR952752A FR1374682A (en) 1963-11-05 1963-11-05 Agents for influencing plant growth

Publications (1)

Publication Number Publication Date
BE639645A true BE639645A (en)

Family

ID=8815855

Family Applications (1)

Application Number Title Priority Date Filing Date
BE639645D BE639645A (en) 1963-11-05

Country Status (3)

Country Link
BE (1) BE639645A (en)
FR (1) FR1374682A (en)
NL (1) NL300226A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3715380A (en) * 1971-09-23 1973-02-06 Allied Chem Alkyl-n-alkyl-chlorophenoxythioacetimidates
US3725452A (en) * 1969-09-24 1973-04-03 Allied Chem Benzyl-n-(n-butyl) chlorophenoxythiobutyrimidates
EP0034823A2 (en) * 1980-02-21 1981-09-02 The Wellcome Foundation Limited Pesticidal amines, preparation and use

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MC1329A1 (en) * 1979-05-17 1981-04-21 Wellcome Found ARYLOXY- AND ARYLAMINO-ALKANE-THIOCARBOXAMIDES, THEIR PREPARATION AND THEIR APPLICATION AS ACTIVE INGREDIENTS OF PESTICIDE PRODUCTS

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3725452A (en) * 1969-09-24 1973-04-03 Allied Chem Benzyl-n-(n-butyl) chlorophenoxythiobutyrimidates
US3715380A (en) * 1971-09-23 1973-02-06 Allied Chem Alkyl-n-alkyl-chlorophenoxythioacetimidates
EP0034823A2 (en) * 1980-02-21 1981-09-02 The Wellcome Foundation Limited Pesticidal amines, preparation and use
EP0034823A3 (en) * 1980-02-21 1981-12-23 The Wellcome Foundation Limited Pesticidal amines, preparation and use

Also Published As

Publication number Publication date
FR1374682A (en) 1964-10-09
NL300226A (en)

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