DE2500452A1 - Verbessertes kontinuierliches verfahren fuer die herstellung von n-monomethylamid der o,o-dimethyl-dithio- phosphorylessigsaeure als insektizid - Google Patents

Verbessertes kontinuierliches verfahren fuer die herstellung von n-monomethylamid der o,o-dimethyl-dithio- phosphorylessigsaeure als insektizid

Info

Publication number
DE2500452A1
DE2500452A1 DE19752500452 DE2500452A DE2500452A1 DE 2500452 A1 DE2500452 A1 DE 2500452A1 DE 19752500452 DE19752500452 DE 19752500452 DE 2500452 A DE2500452 A DE 2500452A DE 2500452 A1 DE2500452 A1 DE 2500452A1
Authority
DE
Germany
Prior art keywords
acid
reaction
dimethyl
dithio
phosphoric acid
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.)
Withdrawn
Application number
DE19752500452
Other languages
German (de)
English (en)
Inventor
Sergio Bianchi
Mario Bornengo
Alessandro Frangioni
Saverio Grego
Venedig Mestre
Sergio Serdi
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.)
Montedison SpA
Original Assignee
Montedison SpA
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
Priority claimed from IT19333/74A external-priority patent/IT1006881B/it
Priority claimed from IT3013774A external-priority patent/IT1026755B/it
Priority claimed from IT30136/74A external-priority patent/IT1030865B/it
Application filed by Montedison SpA filed Critical Montedison SpA
Publication of DE2500452A1 publication Critical patent/DE2500452A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/06—Phosphorus compounds without P—C bonds
    • C07F9/16—Esters of thiophosphoric acids or thiophosphorous acids
    • C07F9/165—Esters of thiophosphoric acids
    • C07F9/1651—Esters of thiophosphoric acids with hydroxyalkyl compounds with further substituents on alkyl

Landscapes

  • 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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE19752500452 1974-01-11 1975-01-08 Verbessertes kontinuierliches verfahren fuer die herstellung von n-monomethylamid der o,o-dimethyl-dithio- phosphorylessigsaeure als insektizid Withdrawn DE2500452A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT19333/74A IT1006881B (it) 1974-01-11 1974-01-11 Preparazione in continuo di acido o c dimetiltiofosforico e dei suoi sa li alcalini
IT3013774A IT1026755B (it) 1974-12-03 1974-12-03 Preparazione migliorata in continuo della n. monometilamide dell acido o c. dimetilditiofosforila cetico
IT30136/74A IT1030865B (it) 1974-12-03 1974-12-03 Procedimento migliorato per la preparazione dell estere metilico dell acido o o.dimetilditiofo sforilacetico

Publications (1)

Publication Number Publication Date
DE2500452A1 true DE2500452A1 (de) 1975-07-17

Family

ID=27272955

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752500452 Withdrawn DE2500452A1 (de) 1974-01-11 1975-01-08 Verbessertes kontinuierliches verfahren fuer die herstellung von n-monomethylamid der o,o-dimethyl-dithio- phosphorylessigsaeure als insektizid

Country Status (7)

Country Link
JP (1) JPS5736915B2 (cs)
BR (1) BR7500135A (cs)
DD (1) DD118434A5 (cs)
DE (1) DE2500452A1 (cs)
ES (1) ES433697A1 (cs)
FR (1) FR2257597B1 (cs)
GB (1) GB1485585A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4083900A (en) * 1974-12-03 1978-04-11 Montedison S.P.A. Continuous process for the preparation of N-monomethylamide of O,O-dimethyl-dithiophosphoryl acetic acid

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2102036B (en) * 1981-07-01 1984-12-05 Rolls Royce Method of manufacturing composite materials
US7560445B2 (en) 2005-07-06 2009-07-14 Taro Pharmaceuticals North America, Inc. Process for preparing malathion for pharmaceutical use

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4083900A (en) * 1974-12-03 1978-04-11 Montedison S.P.A. Continuous process for the preparation of N-monomethylamide of O,O-dimethyl-dithiophosphoryl acetic acid

Also Published As

Publication number Publication date
JPS50106927A (cs) 1975-08-22
FR2257597B1 (cs) 1977-07-01
BR7500135A (pt) 1975-11-04
DD118434A5 (cs) 1976-03-05
ES433697A1 (es) 1977-02-16
GB1485585A (en) 1977-09-14
FR2257597A1 (cs) 1975-08-08
JPS5736915B2 (cs) 1982-08-06

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8130 Withdrawal