BE827325A - Procede ameliore de preparation de composes azoiques de haute purete - Google Patents

Procede ameliore de preparation de composes azoiques de haute purete

Info

Publication number
BE827325A
BE827325A BE154891A BE154891A BE827325A BE 827325 A BE827325 A BE 827325A BE 154891 A BE154891 A BE 154891A BE 154891 A BE154891 A BE 154891A BE 827325 A BE827325 A BE 827325A
Authority
BE
Belgium
Prior art keywords
preparation
high purity
improved process
azoic compounds
azoic
Prior art date
Application number
BE154891A
Other languages
English (en)
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 filed Critical
Publication of BE827325A publication Critical patent/BE827325A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C07C255/63—Carboxylic acid nitriles containing cyano groups and nitrogen atoms further bound to other hetero atoms, other than oxygen atoms of nitro or nitroso groups, bound to the same carbon skeleton
    • C07C255/65—Carboxylic acid nitriles containing cyano groups and nitrogen atoms further bound to other hetero atoms, other than oxygen atoms of nitro or nitroso groups, bound to the same carbon skeleton with the nitrogen atoms further bound to nitrogen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE154891A 1974-04-02 1975-03-28 Procede ameliore de preparation de composes azoiques de haute purete BE827325A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/457,386 US3937696A (en) 1974-04-02 1974-04-02 Process for preparing higher purity azo compounds

Publications (1)

Publication Number Publication Date
BE827325A true BE827325A (fr) 1975-09-29

Family

ID=23816520

Family Applications (1)

Application Number Title Priority Date Filing Date
BE154891A BE827325A (fr) 1974-04-02 1975-03-28 Procede ameliore de preparation de composes azoiques de haute purete

Country Status (9)

Country Link
US (1) US3937696A (fr)
JP (1) JPS5653538B2 (fr)
BE (1) BE827325A (fr)
CA (1) CA1050973A (fr)
DE (1) DE2514390A1 (fr)
FR (1) FR2265731B1 (fr)
GB (1) GB1458494A (fr)
IT (1) IT1034770B (fr)
NL (1) NL7503266A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4051124A (en) * 1976-05-14 1977-09-27 E. I. Du Pont De Nemours And Company Process for producing an azonitrile with improved color from an aminonitrile in an aqueous system comprising mixed surface active compounds
US4272435A (en) * 1977-10-12 1981-06-09 Sumitomo Chemical Company, Limited Process for the preparation of azo compounds from amino compounds in the presence of a phase transfer catalyst
US4218371A (en) * 1977-11-14 1980-08-19 E. I. Du Pont De Nemours And Company Process for preparing 2,2'-azobis(2,4-dimethyl-4-methoxypentanenitrile)
JPS55104247A (en) * 1979-02-06 1980-08-09 Sumitomo Chem Co Ltd Improved preparation of azo compound
US4315856A (en) * 1980-02-04 1982-02-16 E. I. Du Pont De Nemours And Company Process for preparing 2,2-azobis(2,4-dimethylpentanenitrile)
US4612368A (en) * 1981-06-03 1986-09-16 E. I. Du Pont De Nemours And Company Process for preparing 2,2'-azobis(2-methylbutanenitrile)
US20050236853A1 (en) * 2004-04-19 2005-10-27 Demetroulakos Pam C Hand-held hinged device for manipulating objects

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL121529C (fr) * 1962-02-08
US3207714A (en) * 1963-01-11 1965-09-21 Rohm & Haas Foamable resinous compositions employing azo-bis-alkylphosphonates and correspondingacids
US3783148A (en) * 1971-08-31 1974-01-01 Du Pont Process for the preparation of symmetrical azo compounds

Also Published As

Publication number Publication date
FR2265731A1 (fr) 1975-10-24
GB1458494A (en) 1976-12-15
NL7503266A (nl) 1975-10-06
IT1034770B (it) 1979-10-10
CA1050973A (fr) 1979-03-20
FR2265731B1 (fr) 1980-04-11
US3937696A (en) 1976-02-10
JPS50135028A (fr) 1975-10-25
JPS5653538B2 (fr) 1981-12-19
DE2514390A1 (de) 1975-10-09

Similar Documents

Publication Publication Date Title
BE837073A (fr) Nouveau procede de preparation de composes bis-indoliques
FR2283114A1 (fr) Procede de preparation de butanediols
BE814937A (fr) Procede de transformation de composes cephalosporiniques
RO64663A (fr) Procede de preparation des composes de 3-halogene-cephalosporine
BE831309A (fr) Procede de preparation de composes thiazolazo
ZA745676B (en) Process for the manufacture of substituted amino-benzoic acid derivatives
BE828672A (fr) Procede de preparation du butyne-diol
EG11155A (en) Process for the preparation of 7-acylaminodesaceto xycephalosporanic acid derivatives
BE827325A (fr) Procede ameliore de preparation de composes azoiques de haute purete
FR2281928A1 (fr) Procede de preparation de 2-methyltetrahydropyrimidines 1-substituees
BE829779A (fr) Procede de preparation de pyrazolo-benzazepines
RO72708A (fr) Procede de preparation du perchloratmethylmercaptane
BE811172A (fr) Procede de preparation de composes n
RO68951A (fr) Procede pour la preparation des nouveaux composes de 8-oxyquinolin-metal-dimethyldithiocarbamate
FR2292699A1 (fr) Procede de preparation de composes du type peptides
RO64595A (fr) Procede pour la preparation des composes 3-halogene-cephalosporines e-cephalo sporines
RO72817A (fr) Procede pour la preparation des composes de octennitryle
BE818472A (fr) Procede de production d'hexafluoroarseniate de lithium de haute purete
BE810137A (fr) Procede de preparation de composes hydraziniques
GB1408552A (en) Process for the manufacture of 1-nitrobenzene-2-carboxylic acid alkyl ester-5-carboxylic acid amides
RO72839A (fr) Procede de preparation des derives de thienopyridine
BE819046A (fr) Procede nouveau de preparation de 3,-thiobis (2-methoxy-1-azabenzanthrone)
KE2800A (en) Process for the manufacture of 6-id(-)-alpha-aminophenylacetamido/-penicillanic acid
BE830109A (fr) Procede de preparation de composes du type alpha-diol-gamma-dioxo
BE837431A (fr) Procede de preparation des composes alpha-hydroxycarbonyles

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: E.I. DU PONT DE NEMOURS AND CY

Effective date: 19850328