IT1010483B - Processo per il recupero di 4 idrossi 2 4 6 trimetil 2 5 cicloesadien i one purificato - Google Patents

Processo per il recupero di 4 idrossi 2 4 6 trimetil 2 5 cicloesadien i one purificato

Info

Publication number
IT1010483B
IT1010483B IT22392/74A IT2239274A IT1010483B IT 1010483 B IT1010483 B IT 1010483B IT 22392/74 A IT22392/74 A IT 22392/74A IT 2239274 A IT2239274 A IT 2239274A IT 1010483 B IT1010483 B IT 1010483B
Authority
IT
Italy
Prior art keywords
hydroxes
hexadien
trimethyl
recovery
purified cycle
Prior art date
Application number
IT22392/74A
Other languages
English (en)
Original Assignee
Teijin Ltd
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 Teijin Ltd filed Critical Teijin Ltd
Application granted granted Critical
Publication of IT1010483B publication Critical patent/IT1010483B/it

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)
IT22392/74A 1973-05-07 1974-05-07 Processo per il recupero di 4 idrossi 2 4 6 trimetil 2 5 cicloesadien i one purificato IT1010483B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT1010483B true IT1010483B (it) 1977-01-10

Family

ID=12837537

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22392/74A IT1010483B (it) 1973-05-07 1974-05-07 Processo per il recupero di 4 idrossi 2 4 6 trimetil 2 5 cicloesadien i one purificato

Country Status (8)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1063282A (en) * 1973-12-28 1979-09-25 General Electric Company Flame retardant polycarbonate composition
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
JPS49134655A (it) 1974-12-25
FR2228753A1 (it) 1974-12-06
GB1463706A (en) 1977-02-09
BE814587A (fr) 1974-09-02
DE2422065A1 (de) 1974-11-21
AU6849974A (en) 1975-11-06
BR7403702D0 (pt) 1974-11-19
FR2228753B1 (it) 1976-12-17
US3975441A (en) 1976-08-17
DE2422065B2 (de) 1977-02-24
NL7406113A (it) 1974-11-11

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