BE814587A - Procede de recuperation de 4-hydroxy-2 - Google Patents

Procede de recuperation de 4-hydroxy-2

Info

Publication number
BE814587A
BE814587A BE143953A BE143953A BE814587A BE 814587 A BE814587 A BE 814587A BE 143953 A BE143953 A BE 143953A BE 143953 A BE143953 A BE 143953A BE 814587 A BE814587 A BE 814587A
Authority
BE
Belgium
Prior art keywords
hydroxy
recovery process
recovery
Prior art date
Application number
BE143953A
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 BE814587A publication Critical patent/BE814587A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/80—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/29—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
    • C07C45/37—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups
    • C07C45/39—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups being a secondary hydroxyl group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/516—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of nitrogen-containing compounds to >C = O groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE143953A 1973-05-07 1974-05-06 Procede de recuperation de 4-hydroxy-2 BE814587A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48049668A JPS49134655A (fr) 1973-05-07 1973-05-07

Publications (1)

Publication Number Publication Date
BE814587A true BE814587A (fr) 1974-09-02

Family

ID=12837537

Family Applications (1)

Application Number Title Priority Date Filing Date
BE143953A BE814587A (fr) 1973-05-07 1974-05-06 Procede de recuperation de 4-hydroxy-2

Country Status (8)

Country Link
US (1) US3975441A (fr)
JP (1) JPS49134655A (fr)
BE (1) BE814587A (fr)
BR (1) BR7403702D0 (fr)
FR (1) FR2228753B1 (fr)
GB (1) GB1463706A (fr)
IT (1) IT1010483B (fr)
NL (1) NL7406113A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1063282A (fr) * 1973-12-28 1979-09-25 General Electric Company Compose de polycarbonates retardateur de la combustion
US4111977A (en) * 1975-12-22 1978-09-05 General Electric Company Flame retardant polycarbonate composition
FR2368458A1 (fr) * 1976-10-25 1978-05-19 Rhone Poulenc Ind Procede de preparation d'hydroxy-4 alcoyl-4 cyclohexadiene-2,5 one-1

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3462348A (en) * 1968-03-25 1969-08-19 Exxon Research Engineering Co Purification of isophorone by plural stage distillation
US3758596A (en) * 1969-04-21 1973-09-11 Ici Ltd Process for the production of phenolic compounds and intermediates for use therein
US3840023A (en) * 1972-01-19 1974-10-08 Firmenich & Cie Flavored tobacco composition

Also Published As

Publication number Publication date
GB1463706A (en) 1977-02-09
US3975441A (en) 1976-08-17
JPS49134655A (fr) 1974-12-25
NL7406113A (fr) 1974-11-11
AU6849974A (en) 1975-11-06
BR7403702D0 (pt) 1974-11-19
DE2422065B2 (de) 1977-02-24
FR2228753B1 (fr) 1976-12-17
DE2422065A1 (de) 1974-11-21
IT1010483B (it) 1977-01-10
FR2228753A1 (fr) 1974-12-06

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