BE781466A - PROCESS FOR THE PREPARATION OF HYDROXYALDEHYDES - Google Patents

PROCESS FOR THE PREPARATION OF HYDROXYALDEHYDES

Info

Publication number
BE781466A
BE781466A BE781466A BE781466A BE781466A BE 781466 A BE781466 A BE 781466A BE 781466 A BE781466 A BE 781466A BE 781466 A BE781466 A BE 781466A BE 781466 A BE781466 A BE 781466A
Authority
BE
Belgium
Prior art keywords
hydroxyaldehydes
preparation
Prior art date
Application number
BE781466A
Other languages
French (fr)
Original Assignee
Haarmann & Reimer Gmbh
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 Haarmann & Reimer Gmbh filed Critical Haarmann & Reimer Gmbh
Publication of BE781466A publication Critical patent/BE781466A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
    • C11B9/00—Essential oils; Perfumes
    • C11B9/0061—Essential oils; Perfumes compounds containing a six-membered aromatic ring not condensed with another ring
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L27/00—Spices; Flavouring agents or condiments; Artificial sweetening agents; Table salts; Dietetic salt substitutes; Preparation or treatment thereof
    • A23L27/20—Synthetic spices, flavouring agents or condiments
    • A23L27/204—Aromatic compounds
    • 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
    • C07C45/29—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
    • C07C45/292—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 with chromium derivatives
    • 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
    • C07C45/296—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 with lead derivatives
    • 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
    • C07C45/30—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with halogen containing compounds, e.g. hypohalogenation
    • 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
    • C07C45/31—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with compounds containing mercury atoms, which may be regenerated in situ, e.g. by oxygen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
    • C07C59/40—Unsaturated compounds
    • C07C59/42—Unsaturated compounds containing hydroxy or O-metal groups
    • C07C59/52—Unsaturated compounds containing hydroxy or O-metal groups a hydroxy or O-metal group being bound to a carbon atom of a six-membered aromatic ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
    • C07C59/40—Unsaturated compounds
    • C07C59/58—Unsaturated compounds containing ether groups, groups, groups, or groups
    • C07C59/64—Unsaturated compounds containing ether groups, groups, groups, or groups containing six-membered aromatic rings
BE781466A 1971-03-31 1972-03-30 PROCESS FOR THE PREPARATION OF HYDROXYALDEHYDES BE781466A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2115551A DE2115551C3 (en) 1971-03-31 1971-03-31 Process for the production of aromatic hydroxyaldehydes

Publications (1)

Publication Number Publication Date
BE781466A true BE781466A (en) 1972-10-02

Family

ID=5803351

Family Applications (1)

Application Number Title Priority Date Filing Date
BE781466A BE781466A (en) 1971-03-31 1972-03-30 PROCESS FOR THE PREPARATION OF HYDROXYALDEHYDES

Country Status (15)

Country Link
AT (1) AT326636B (en)
BE (1) BE781466A (en)
CA (1) CA969556A (en)
CH (1) CH566952A5 (en)
CS (1) CS156536B2 (en)
DD (1) DD95227A5 (en)
DE (1) DE2115551C3 (en)
DK (1) DK132400C (en)
FR (1) FR2132364B1 (en)
GB (1) GB1377243A (en)
IT (1) IT952421B (en)
NL (1) NL7204369A (en)
NO (1) NO137891C (en)
PL (1) PL84513B1 (en)
SU (1) SU437270A3 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2376112A1 (en) * 1976-12-30 1978-07-28 Hoechst France PROCESS FOR MANUFACTURING NEW A-CHLOROARYLACETIC ACIDS AND A-CHLOROARYLACETIC ACIDS OBTAINED BY THIS PROCESS
GB1576334A (en) * 1977-05-26 1980-10-08 Ici Ltd N-alkyl and n,n-dialkyl derivatives thereof process for the manufacture of p-hydroxyphenylglycine and
EP0003825B1 (en) * 1978-02-20 1981-02-11 Diamalt Aktiengesellschaft Process for the preparation of 4-hydroxyphenylacetic acid
SE441524B (en) * 1978-05-19 1985-10-14 Ici Ltd SOLID SODIUM OR POTASSIUM P-HYDROXIMANDELATE MONOHYDRATE AND SET FOR ITS PREPARATION
FR2440350A1 (en) * 1978-11-03 1980-05-30 Hoechst France PROCESS FOR PRODUCING RACEMIC PARAHYDROXYMANDELIC ACID
FR2456722A1 (en) * 1979-05-14 1980-12-12 Hoechst France CRYSTALLIZED SODIUM PARFORMYLPHENOLATE, PROCESS FOR THE PREPARATION THEREOF AND APPLICATION THEREOF
FR2427322A1 (en) * 1979-06-15 1979-12-28 Hoechst France RACEMIC CRYSTALLIZED SODIUM PARAHYDROXYMANDELATE, ITS PREPARATION PROCESS AND ITS APPLICATION TO THE PREPARATION OF CRYSTALLIZED SODIUM PARAFORMYLPHENOLATE
FR2461693A1 (en) * 1979-07-24 1981-02-06 Brichima Spa Hydroxy and alkoxy aromatic aldehyde prepn. - by oxidn. of phenyl glycolic acid deriv. by air or oxygen in presence of copper catalyst
WO1981000404A1 (en) * 1979-08-09 1981-02-19 Beecham Group Ltd Process for the isolation of a solid salt of p-hydroxy-mandelic acid;some salts of p-hydroxymandelic acid
GB9121656D0 (en) * 1991-10-11 1991-11-27 Ici Plc Chemical process
FR2931476B1 (en) 2008-05-22 2012-12-28 Rhodia Operations PROCESS FOR SEPARATING PHENOLIC COMPOUND IN SOLIFIED FORM
FR2950886B1 (en) 2009-10-02 2011-10-28 Rhodia Operations PROCESS FOR SEPARATING PHENOLIC COMPOUNDS IN SALIVED FORM
CN111848377B (en) * 2020-08-18 2022-12-06 重庆化工职业学院 Preparation method of ethyl vanillin

Also Published As

Publication number Publication date
ATA261272A (en) 1975-03-15
DK132400B (en) 1975-12-01
CH566952A5 (en) 1975-09-30
DE2115551A1 (en) 1972-10-12
FR2132364B1 (en) 1976-03-05
NO137891B (en) 1978-02-06
IT952421B (en) 1973-07-20
DK132400C (en) 1976-05-03
FR2132364A1 (en) 1972-11-17
PL84513B1 (en) 1976-04-30
DE2115551C3 (en) 1980-01-10
CA969556A (en) 1975-06-17
CS156536B2 (en) 1974-07-24
SU437270A3 (en) 1974-07-25
DD95227A5 (en) 1973-01-20
NL7204369A (en) 1972-10-03
NO137891C (en) 1978-05-16
DE2115551B2 (en) 1979-05-17
GB1377243A (en) 1974-12-11
AT326636B (en) 1975-12-29

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