US3129261A - Dialkylhalobenzylalkylbenzyl nonphytotoxic quaternary ammonium compounds - Google Patents

Dialkylhalobenzylalkylbenzyl nonphytotoxic quaternary ammonium compounds Download PDF

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Publication number
US3129261A
US3129261A US35112A US3511260A US3129261A US 3129261 A US3129261 A US 3129261A US 35112 A US35112 A US 35112A US 3511260 A US3511260 A US 3511260A US 3129261 A US3129261 A US 3129261A
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Prior art keywords
chloride
quaternary ammonium
compounds
parts
chlorine
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US35112A
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English (en)
Inventor
Lo Chien-Pen
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Rohm and Haas Co
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Rohm and Haas Co
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Priority to US35112A priority Critical patent/US3129261A/en
Priority to GB19830/61A priority patent/GB975926A/en
Priority to BE604811A priority patent/BE604811A/fr
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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
    • A01N33/00Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
    • A01N33/02Amines; Quaternary ammonium compounds
    • A01N33/12Quaternary ammonium compounds

Definitions

  • R is hydrogen or an alkyl group of one to four carbon atoms
  • R is an alkyl group of 9 to 15 carbon atoms
  • the total number of carbon atoms in R and R being not over 16 carbon atoms
  • Y and Y are hydrogen or chlorine, at least one of these being chlorine
  • Y is hydrogen or chlorine
  • the total number of chlorine atoms in the phenyl group carrying the Y substituents being not over three
  • n is an integer with a value of one to two
  • X is an anion.
  • a class of preferred compounds has one methyl substituent and one long alkyl group on this benzyl group.
  • alkyldimethylbenzyl ammonium salts wherein the alkyl group is long-chained, usually dodecyl. These give good fun gicidal action under favorable conditions, but those with alkyl groups providing good solubility for proper ap plication lack persistence and those with longer alkyl groups providing better persistence lack fungitoxicity. At the rates of application needed for good control of scab, these salts cannot be frequently applied Without causing undesirable effects. Thus, under conditions of severe infection or under unfavorable weather conditions, such salts lack the required balance.
  • Quaternary ammonium salts which meet the above strict requirements have been defined by the structural Formula I given above. by reacting a tertiary amine (II) R Cn Zn'l'l N-CHg C am-r R with a polychlorobenzyl halide Cl0flzhalogen l Y1 Y2 This may be desirably done in an inert organic solvent,
  • acetone such as acetone, methyl hexyl ketone, acetonitrile, nitrornethane, ethyl acetate, benzene, toluene, or a naphtha.
  • Temperatures for reaction lie between 25 and 150 C.
  • the quaternary ammonium salt precipitates as 'it is formed and can be separated and freed of solvent.
  • solvent may be distilled from the reaction mixture to leave a residue which can be used as obtained or may be purified as by precipitation, extraction, charcoaling, or recrystallization.
  • Example 1 There are mixed 25 parts of dodecylbenzyldimethylamine, 16.1 parts of 2,4-dichlorobenzyl chloride, and 100 CH3 C 3 CIOGHr-ITP-CH; own
  • dodecylbenzyldiethylamine for the do-decylbenzyldimethylamine.
  • dodecylbenzyldiethyl-2,4-dichlorobenzylammonium chloride is similar in properties to the above compound. It is quite as safe on tender foliage and about as fungitoxic.
  • the above compound dodecylbenzyldimethyl-2,4-dichlorobenzylammonium chloride, has ED values of 1-10 p.p.m. against Alternaria solani and Monolinia fructicola, and of less than 1 p.p.m. against Stemphilz'um sarcz'naeforme.
  • This compound is also highly active against such typical pathogens as Agrobacterium tumefaciens (plant galls), Erwinia amylovora (fire blight), Erwinia carolovora (vegetable soft rot), Xanllzomonas phaseoli (bean blight), Xanlhomonas prum' (bacterial soft spot of plum and peach), Corynebacterium flaccumfaciens (bacterial wilt of beans), and Xanthomonas vesicatoria (bacterial spot of peppers and tomatoes).
  • Agrobacterium tumefaciens plant galls
  • Erwinia amylovora fire blight
  • Erwinia carolovora vegetable soft rot
  • Xanllzomonas phaseoli bean blight
  • Corynebacterium flaccumfaciens bacterial wilt of beans
  • Xanthomonas vesicatoria bacterial spot
  • the above prepared compounds give very favorable values in standard antibacterial tests.
  • they are effectively bacteriostatic at 1/ 100,000 against S. typhosa and bactericidal at the same dilution.
  • bactericidal at l/ 200,000.
  • Apple whips were sprayed with solutions containing 0.75 pound per 100 gallons of the above compounds at oneweek intervals for a period of four weeks. No evidence of phytotoxicity was observed even though the whips were held under humid conditions.
  • Apples were treated with a solution contaim'ng one pound of the above compounds per 100 gallons of water. The apples were stored for 24 hours under high humidity, then dried, and stored for seven days. No stains developed on the apples. At the same time, apples thus treated H with dodecyldimethylbenzylammonium chloride developed ghost rings or brown stains.
  • Another method of evaluation distinguishes the action of dodecylbenzyldimethyl 2,4-dichlorobenzylamn1onium chloride and the like from that of dodecylbenzyldimethylbenzylammonium chloride and of dodecyldimethylbenzylammonium chloride as comparison compounds.
  • spores are obtained from lesions of leaves fom the eradication test by washing leaves having lesions with water and collecting spores. These spores are applied to standard coated slides such as used in the slide spore germination test. The inoculated slides are stored under conditions favorable for germination for 24 hours and then examined.
  • Example 2 There are mixed 30.3 parts of dodecylbenzyldimethyl amine, 20 parts of 3,4-dichlorobenzyl chloride, and 120 parts of acetone. The mixture is stirred and heated under reflux for 2.5 hours. Solvent is evaporated to give 38.1 parts of a viscous oil, which contains 21.2% of chlorine and 3% of nitrogen (theory 21.3% and 2.8% respectively for dodecylbenzyldimethyl-3,4-dichlorobenzylammonium chloride).
  • the above compound evaluated by the slide-germination method, has an ED value of less than 5 p.p.m. against Alter/zaria solarzi, Monolirzl'a fructicola, and Stemp/zylium mieforme. It shows no phytotoxicity when applied to young tomato plants in aqueous sprays containing 0.1% or even 1% of the compound.
  • This compound shows superior performance in controlling tomato late blight (Phytophthora infestarzs), requiring only 29 p.p.m. to give an ED value. It has unusual persistence in tests in which plants are sprayed with water to simulate rain.
  • the above compound is bacteriostatic against S. lyp/zosa at 1/ 100,000 and against S. aureus, Micrococcus pyogenes, var. aureus, at 1/ 400,000. It is bactericidal against S. zyphosa at 1/ 10,000 and against S. aureus at 1/400,000.
  • Example 3 There are mixed 26.1 parts of nonylbenzyldimethylamine, 19.6 parts of 3,4-dichlorobenzyl chloride, and parts of acetone. The mixture is heated at reflux temperatures for 3.5 hours and cooled in an ice bath. Solid forms and is collected, washed with cold acetone and dried to give 25.3 parts of a product which by analysis corresponds to nonylbenzyldimethyl-3,4dichlorobenzy1- ammonium chloride. The chlorine content found is 23.9% (23.3% theory) and the nitrogen content is 3.0% (3.1% theory).
  • nonylmethylbenzyldimethyl-3,4-dichlorobenzylammonium salts where the anion is chloride, bromide, acetate, sulfate, methylsulfate, or the like, are somewhat more active than the above nonylbenzyl compound and quite safe on foliage.
  • nonylethylbenzyldimethyldichlorobenzylammonium chloride or bromide and nonylbutylbenzyldimethyldichlorobenzylammonium chloride or bromide are both elfective in controlling fungi and bacteria which attack growing plants and are also safely used thereon, even with repeated applications.
  • Example 4 In the same way as in Example 2, there are reacted 33 parts of dodecylmethylbenzyldimethylamine and 19.6 parts of 3,4-dichlorobenzyl chloride in parts of acetone. After removal of solvent, there is obtained 51 parts of a yellow oil which corresponds in composition to OH: CH3 312 25 C1 CH:ITICH2 I C1 .7. CH ⁇
  • the chlorine content is 21.3% and the nitrogen content is 2.7%.
  • This compound gives an ED value of 1 to 10 p.p.m. against Alternaria solani, Monolinia fructicola, and Stemphylium maeforme.
  • this compound was both bacteriostatic and bactericidal to S. typhosa at 1/ 100,000 and was both bacteriostatic and bactericidal to S. aureus at 1/800,000.
  • Example 5 A trichlorobenzyl chloride is prepared by chloromethylating a commercial trichlorobenzene which contains about 70% 1,2,4-trichlorobenzene and 30% 1,2,3-trichlorobenzene. This benzyl chloride is mainly 2,4,5-trichlorobenzyl chloride.
  • aqueous sprays of the above compound it may be desirable to take it up with a small proportion of a non-ionic wetting agent such as octylphenoxypolyethoxyethanol to ensure good dispersion on foliage.
  • a non-ionic wetting agent such as octylphenoxypolyethoxyethanol
  • Example 6 The method of Example 1 is followed to react dodecylmethylbenzyldimethylamine and 2,4-dichlorobenzylchloride to form dodecylmethylbenzyldimethyl-Z,4-dich1orobenzylammonium chloride, 2. yellow oil, which contains 21.0% of chlorine and 2.7% of nitrogen. The yield is practically quantitative.
  • This compound has an ED value of about l-lO p.p.m. against Monolinia fructicola and between 10 and 50 against Alternaria solani and Stemphylium mimeforme.
  • the compound eradicates completely 70% of the lesions of Venturia inaequalis on apple seedlings. It has a protective value of 87% and a 93% value in persistence tests.
  • the above chlorides may be converted into other salts by exchanging the chloride ion for other anions, such as sulfate, methyl sulfate, acetate, phosphate, benzenesulfonate, toluenesulfonate, naphthalenesulfonates, or like anions.
  • other anions such as sulfate, methyl sulfate, acetate, phosphate, benzenesulfonate, toluenesulfonate, naphthalenesulfonates, or like anions.
  • emulsion concentrates For example, the above quaternary ammonium compounds can be taken up with about an equal volume of isopropanol.
  • This solution ('80 parts) is mixed with 16 parts of Xylene or an aromatic naphtha and 4 parts of a solventand water-soluble alkylphenoxypolyethoxyethanol wetting agent to provide a self-emulsifying composition.
  • such emulsion concentrate may contain from about 20% to about 60% of a defined quaternary ammonium salt, about 40% to of organic solvent for said salt, and 0% to 10% of a non-ionic emulsifier soluble in the solvent-salt mixture.
  • a non-ionic emulsifier soluble in the solvent-salt mixture.
  • alkylphenoxypolyethoxyethanols there may be used ethylene oxide condensates of long-chained alcohols, mercaptans, fatty acids, hydroxy esters or amines or mixed ethylene oxide-propylene oxide condensates of these and similar materials.
  • R is selected from the class consisting of hydro gen and alkyl groups of not over four carbon atoms
  • R is an alkyl group of 9 to 15 carbon atoms, the total number of carbon atoms in R and R being not over 16 carbon atoms
  • Y and Y are selected from the class consisting of hydrogen and chlorine, at least one of these being chlorine
  • Y is selected from the class consisting of hydrogen and chlorine, the total number of chlorine atoms on the phenyl group carrying the Y substituents being two to three
  • n is an integer with a value of one to two
  • X is an anion from the class consisting of chloride and bromide.

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  • 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)
  • Agricultural Chemicals And Associated Chemicals (AREA)
US35112A 1960-06-10 1960-06-10 Dialkylhalobenzylalkylbenzyl nonphytotoxic quaternary ammonium compounds Expired - Lifetime US3129261A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US35112A US3129261A (en) 1960-06-10 1960-06-10 Dialkylhalobenzylalkylbenzyl nonphytotoxic quaternary ammonium compounds
GB19830/61A GB975926A (en) 1960-06-10 1961-06-01 Pesticidal compounds
BE604811A BE604811A (fr) 1960-06-10 1961-06-09 Nouveaux composés d'ammonium quaternaire, non phytotoxiques

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100228035A1 (en) * 2002-04-05 2010-09-09 University Of South Alabama Functionalized Ionic Liquids, and Methods of Use Thereof

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2097640A (en) * 1933-03-27 1937-11-02 Ici Ltd Quaternary ammonium compounds
GB647258A (en) * 1942-09-04 1950-12-06 Parke Davis & Co Quarternary ammonium compounds and preserving and disinfecting compositions containing them
US2569803A (en) * 1949-06-29 1951-10-02 Rohm & Haas Bis (alkylbenzyl) dimethyl ammonium halides
CH285479A (fr) * 1948-04-07 1952-09-15 D Innovations Chimiques Sinnov Procédé de préparation d'un mélange de chlorures de diméthyl-benzyl-dodécylbenzyl-ammonium.
US2664444A (en) * 1951-11-20 1953-12-29 Winthrop Stearns Inc N-(n-dodecyl)-n-(3,4-dichlorophenethyl)-n, n-dimethyl-ammonium compounds
US2691676A (en) * 1952-06-02 1954-10-12 Sterling Drug Inc N, n-di-(n-octyl)-n-methyl-n-(3, 4-dichlorobenzyl) ammonium chloride and process for preparing the same
US2694715A (en) * 1949-12-20 1954-11-16 California Research Corp Process of producing quaternary ammonium salts and products thereof
US2763589A (en) * 1953-02-24 1956-09-18 Us Rubber Co Fungicidal compositions of n-phenylchlorophthalamic acids and derivatives thereof and method of applying to plants
US2787573A (en) * 1951-05-21 1957-04-02 Pennsylvania Salt Mfg Co Pesticidal compositions and their use

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2097640A (en) * 1933-03-27 1937-11-02 Ici Ltd Quaternary ammonium compounds
GB647258A (en) * 1942-09-04 1950-12-06 Parke Davis & Co Quarternary ammonium compounds and preserving and disinfecting compositions containing them
CH285479A (fr) * 1948-04-07 1952-09-15 D Innovations Chimiques Sinnov Procédé de préparation d'un mélange de chlorures de diméthyl-benzyl-dodécylbenzyl-ammonium.
US2569803A (en) * 1949-06-29 1951-10-02 Rohm & Haas Bis (alkylbenzyl) dimethyl ammonium halides
US2694715A (en) * 1949-12-20 1954-11-16 California Research Corp Process of producing quaternary ammonium salts and products thereof
US2787573A (en) * 1951-05-21 1957-04-02 Pennsylvania Salt Mfg Co Pesticidal compositions and their use
US2664444A (en) * 1951-11-20 1953-12-29 Winthrop Stearns Inc N-(n-dodecyl)-n-(3,4-dichlorophenethyl)-n, n-dimethyl-ammonium compounds
US2691676A (en) * 1952-06-02 1954-10-12 Sterling Drug Inc N, n-di-(n-octyl)-n-methyl-n-(3, 4-dichlorobenzyl) ammonium chloride and process for preparing the same
US2763589A (en) * 1953-02-24 1956-09-18 Us Rubber Co Fungicidal compositions of n-phenylchlorophthalamic acids and derivatives thereof and method of applying to plants

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100228035A1 (en) * 2002-04-05 2010-09-09 University Of South Alabama Functionalized Ionic Liquids, and Methods of Use Thereof
US8674135B2 (en) * 2002-04-05 2014-03-18 University Of South Alabama Functionalized ionic liquids, and methods of use thereof

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Publication number Publication date
GB975926A (en) 1964-11-25
BE604811A (fr) 1961-11-11

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