ES8503325A1 - Procedimiento para la preparacion de ureas asimetricas sustituidas - Google Patents

Procedimiento para la preparacion de ureas asimetricas sustituidas

Info

Publication number
ES8503325A1
ES8503325A1 ES525595A ES525595A ES8503325A1 ES 8503325 A1 ES8503325 A1 ES 8503325A1 ES 525595 A ES525595 A ES 525595A ES 525595 A ES525595 A ES 525595A ES 8503325 A1 ES8503325 A1 ES 8503325A1
Authority
ES
Spain
Prior art keywords
producing substituted
substituted asymmetric
asymmetric ureas
ureas
producing
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
ES525595A
Other languages
English (en)
Other versions
ES525595A0 (es
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.)
Anic SpA
Original Assignee
Anic 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
Application filed by Anic SpA filed Critical Anic SpA
Publication of ES525595A0 publication Critical patent/ES525595A0/es
Publication of ES8503325A1 publication Critical patent/ES8503325A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
    • C07C273/14—Separation; Purification; Stabilisation; Use of additives
    • C07C273/16—Separation; Purification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C275/00—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C275/28—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of urea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C275/00—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C275/28—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of urea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
    • C07C275/30—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of urea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton being further substituted by halogen atoms, or by nitro or nitroso groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/14—The ring being saturated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

PROCEDIMIENTO PARA LA PREPARACION DE UREAS ASIMETRICAS SUSTITUIDAS, DE FORMULA GENERAL (I).COMPRENDE LAS SIGUIENTES OPERACIONES: PRIMERA, SE PONE EN CONTACTO, EN UNA PRIMERA ETAPA DE REACCION, UN DIALQUILCARBONATO DE FORMULA GENERAL (II) CON UNA AMINA AROMATICA DE FORMULA: R1NH2; SEGUNDA, SE DESTILAN DE LA REACCION EL DIALQUILCARBONATO INALTERADO Y EL ALCOHOLCOPRODUCIDO; Y POR ULTIMO, SE PONE EN CONTACTO, EN UNA SEGUNDA ETAPA DE REACCION, EL RESIDUO DE LA DESTILACION CON UNA AMINA ALIFATICA DE FORMULA: R2R3NH.DE APLICACION EN LA FORMULACION DE PESTICIDAS Y EN PARTICULAR DE HERBICIDAS.
ES525595A 1982-08-25 1983-08-25 Procedimiento para la preparacion de ureas asimetricas sustituidas Expired ES8503325A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT22967/82A IT1152510B (it) 1982-08-25 1982-08-25 Procedimento per la produzione di uree asimmetriche sostituite

Publications (2)

Publication Number Publication Date
ES525595A0 ES525595A0 (es) 1985-02-16
ES8503325A1 true ES8503325A1 (es) 1985-02-16

Family

ID=11202397

Family Applications (1)

Application Number Title Priority Date Filing Date
ES525595A Expired ES8503325A1 (es) 1982-08-25 1983-08-25 Procedimiento para la preparacion de ureas asimetricas sustituidas

Country Status (12)

Country Link
EP (1) EP0103919B1 (es)
JP (1) JPS5959657A (es)
KR (1) KR860001548B1 (es)
AT (1) ATE24483T1 (es)
BR (1) BR8304606A (es)
CA (1) CA1206484A (es)
DE (1) DE3368604D1 (es)
ES (1) ES8503325A1 (es)
IL (1) IL69512A (es)
IT (1) IT1152510B (es)
MX (1) MX156269A (es)
ZA (1) ZA836112B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2577221B1 (fr) * 1985-02-11 1987-02-20 Rhone Poulenc Agrochimie Procede de preparation d'une phenyluree substituee
DE3942462A1 (de) * 1989-12-22 1991-06-27 Bayer Ag Difluorphenylharnstoffe
DE4028040A1 (de) * 1990-09-05 1992-03-12 Chemie Linz Deutschland Verfahren zur n-alkylierung von harnstoffen
KR100555792B1 (ko) * 1999-02-02 2006-03-03 제일모직주식회사 비대칭 선형 탄산 에스테르의 제조방법

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3161676A (en) * 1962-05-21 1964-12-15 Berkeley Chemical Corp Preparation of substituted alkyl ureas
US3763217A (en) * 1970-12-03 1973-10-02 Halcon International Inc Preparation of carbamates

Also Published As

Publication number Publication date
MX156269A (es) 1988-08-03
CA1206484A (en) 1986-06-24
IT1152510B (it) 1987-01-07
IL69512A (en) 1989-01-31
DE3368604D1 (en) 1987-02-05
KR840006201A (ko) 1984-11-22
ES525595A0 (es) 1985-02-16
EP0103919A2 (en) 1984-03-28
EP0103919B1 (en) 1986-12-30
IL69512A0 (en) 1983-11-30
EP0103919A3 (en) 1984-07-04
ATE24483T1 (de) 1987-01-15
IT8222967A0 (it) 1982-08-25
KR860001548B1 (ko) 1986-10-04
JPS5959657A (ja) 1984-04-05
ZA836112B (en) 1984-04-25
BR8304606A (pt) 1984-04-03
JPH0417947B2 (es) 1992-03-26

Similar Documents

Publication Publication Date Title
DE69129119D1 (en) A process for the production of polyalkylenoxide
DE3265984D1 (en) Process for producing ethylene glycol and/or glycolic acid ester, catalyst composition used therefor, and process for the production of this composition
HUT46597A (en) Process for treating the crude alkali of bayer process
GB1515661A (en) Process for production of 4,4-isopropylidene-bis(2,6-dibromo)phenol
ES8503325A1 (es) Procedimiento para la preparacion de ureas asimetricas sustituidas
HUT44788A (en) Process for production of new imidazo- triazolo-1,4-benzodiazepins
ES2023560A6 (es) Procedimiento para la produccion de hidrato de cefradina y solvato de cefradina y dimetilformamida.
ZA88513B (en) A process for the manufacture of n,n(dibenzohexatrienylene)ureas
ES464141A1 (es) Un procedimiento para la conversion enzimatica de una peni- cilina a un acido 6-aminopenicilanico.
ES8206472A1 (es) Procedimiento para la obtencion de n-(ciclohexiltio)-ftali- mida
IL71171A (en) Process for producing alkyl isocyanates
FR2275455A1 (fr) Nouvelle methode de preparation de desoxyvincaminates d'hydroxy-2 alkyle
YU165289A (en) Process for producing cyclohexan-1,3,5-triones
ES2019047A6 (es) Un procedimiento para la preparacion de benzamidas.
ES8305686A1 (es) "un procedimiento de preparacion de amino-4-butiramida y sus sales".
UA8016A1 (uk) N-алкіл-2-азабіцікло(2,2,1)-гептан в якості каталізатора для одержання пенополіуретана
JPS5250000A (en) Method for producing fibrous alkali tianate
ZA908511B (en) Pressing not delayed release of active compound,process for its production and use of polyhydroxybutyric acid for the production of such a pressing
ES464207A1 (es) Procedimiento para la preparacion de colorantes monoazo ca- tionicos y acuosolubles.
EP0264924A3 (en) Process for augmenting the yield of 2,5,6-trimethylcyclohexen-2-one-1
ES2007062A6 (es) Un procedimiento para la preparacion de 1-(2-nitorfenil)-2-(metilsulfato de 2-(1-metil)piridinio)etanol
JPS53149905A (en) Preparation of alpha,omega-alkanediols
DE2960856D1 (en) Substituted n-halogenomethyl anilides, process for their preparation and use
PT69533A (en) Process for producing novel ureas
IE872279L (en) Crystalline n-(s-3-methylheptanoyl)-d-gamma-glutamyl-glycyl¹-d-alanine.

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20010402