GB800220A - O-(3,4-dichlorophenyl) n,n-dialkyl phosphorodiamidothioates - Google Patents

O-(3,4-dichlorophenyl) n,n-dialkyl phosphorodiamidothioates

Info

Publication number
GB800220A
GB800220A GB7216/57A GB721657A GB800220A GB 800220 A GB800220 A GB 800220A GB 7216/57 A GB7216/57 A GB 7216/57A GB 721657 A GB721657 A GB 721657A GB 800220 A GB800220 A GB 800220A
Authority
GB
United Kingdom
Prior art keywords
dichlorophenyl
phosphorodichloridothioate
employed
phosphorodiamidothioates
dialkyl
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.)
Expired
Application number
GB7216/57A
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of GB800220A publication Critical patent/GB800220A/en
Expired legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02Phosphorus compounds
    • C07F9/06Phosphorus compounds without P—C bonds
    • C07F9/22Amides of acids of phosphorus
    • C07F9/24Esteramides
    • C07F9/2404Esteramides the ester moiety containing a substituent or a structure which is considered as characteristic
    • C07F9/242Esteramides the ester moiety containing a substituent or a structure which is considered as characteristic of hydroxyaryl compounds

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)

Abstract

The invention comprises O-(3,4-dichlorophenyl)-N,N1-dialkyl phosphorodiamidothioates having the formula <FORM:0800220/IV (b)/1> in which R represents either methyl or ethyl. They may be prepared by reacting at least four molecular proportions of methylamine or ethylamine in the presence of an inert organic solvent with one molecular proportion of O-(3,4-dichlorophenyl) - phosphorodichloridothioate. The reaction may be effected at from - 10 DEG C. to 30 DEG C. and specified organic solvents are acetone, methyl ethyl ketone, carbon tetrachloride, benzene and methylene chloride. It is preferred to use an aqueous amine and a water-miscible solvent but gaseous amine may also be used by contacting it portionwise with the phosphorodichloridothioate dissolved in the reaction solvent. Examples are given for the production of O-3,4-dichlorophenyl)-N,N1-dimethyl (and N,N1-diethyl) phosphorodiamidothioates respectively, the reaction being carried out in each case with an aqueous solution of the corresponding amine which is added portionwise to the O-(3,4-dichlorophenyl) phosphorodichloridothioate dissolved in benzene. The products are stated to be valuable as pesticides (see Group VI). The O - (3,4 - dichlorophenyl) - phosphorodichloridothioate employed as starting material may be prepared by reacting an excess of phosphorus thiochloride with an alkali metal salt of 3,4-dichlorophenol.ALSO:A pesticidal composition comprises as the active ingredient an O-(3,4-dichlorophenyl)-N,N1-dialkyl phosphorodiamidothioate having the formula <FORM:0800220/VI/1> in which R is methyl or ethyl (see Group IV (b)). The product may be dispersed on a finely-divided carrier and employed as a dust or may be employed in an oil, in water emulsion or in water dispersion.
GB7216/57A 1956-03-05 1957-03-05 O-(3,4-dichlorophenyl) n,n-dialkyl phosphorodiamidothioates Expired GB800220A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US800220XA 1956-03-05 1956-03-05

Publications (1)

Publication Number Publication Date
GB800220A true GB800220A (en) 1958-08-20

Family

ID=22154754

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7216/57A Expired GB800220A (en) 1956-03-05 1957-03-05 O-(3,4-dichlorophenyl) n,n-dialkyl phosphorodiamidothioates

Country Status (1)

Country Link
GB (1) GB800220A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1224312B (en) * 1960-04-22 1966-09-08 Dow Chemical Co Process for the preparation of phosphoric acid-O-chlorophenyl-O-alkylesteramides

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1224312B (en) * 1960-04-22 1966-09-08 Dow Chemical Co Process for the preparation of phosphoric acid-O-chlorophenyl-O-alkylesteramides

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