CA995693A - Process for the preparation of dihydroxybenzenes - Google Patents

Process for the preparation of dihydroxybenzenes

Info

Publication number
CA995693A
CA995693A CA147,227A CA147227A CA995693A CA 995693 A CA995693 A CA 995693A CA 147227 A CA147227 A CA 147227A CA 995693 A CA995693 A CA 995693A
Authority
CA
Canada
Prior art keywords
dihydroxybenzenes
preparation
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
CA147,227A
Other languages
English (en)
Other versions
CA147227S (fr
Inventor
Paolo Maggioni
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.)
Brichima SpA
Original Assignee
Brichima 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 Brichima SpA filed Critical Brichima SpA
Application granted granted Critical
Publication of CA995693A publication Critical patent/CA995693A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/60—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by oxidation reactions introducing directly hydroxy groups on a =CH-group belonging to a six-membered aromatic ring with the aid of other oxidants than molecular oxygen or their mixtures with molecular oxygen
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
CA147,227A 1971-07-17 1972-07-17 Process for the preparation of dihydroxybenzenes Expired CA995693A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2696371 1971-07-17

Publications (1)

Publication Number Publication Date
CA995693A true CA995693A (en) 1976-08-24

Family

ID=11220638

Family Applications (1)

Application Number Title Priority Date Filing Date
CA147,227A Expired CA995693A (en) 1971-07-17 1972-07-17 Process for the preparation of dihydroxybenzenes

Country Status (9)

Country Link
US (1) US3836591A (de)
JP (1) JPS5641607B2 (de)
BE (1) BE786368A (de)
CA (1) CA995693A (de)
CH (1) CH575897A5 (de)
DE (2) DE2167040C2 (de)
FR (1) FR2146195B1 (de)
GB (1) GB1347625A (de)
NL (1) NL174344C (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4174460A (en) * 1974-03-06 1979-11-13 Bayer Aktiengesellschaft Process for the hydroxylation of phenols and phenol ethers in the nucleus
DE2410742C3 (de) * 1974-03-06 1981-01-08 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Brenzkatechin und Hydrochinon durch Kernhydroxylierung von Phenol
DE2410758C3 (de) * 1974-03-06 1981-01-08 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von mehrwertigen substituierten Phenolen bzw. Monoäthern mehrwertiger Phenole durch Kernhydroxylierung von Phenolen oder Phenoläthern
GB1448358A (en) * 1974-04-04 1976-09-08 Ube Industries Process for preparint dihydric phenol derivatives
GB1448357A (en) * 1974-04-04 1976-09-08 Ube Industries Process for preparing dihydric phenol derivatives
JPS51101932A (ja) * 1975-03-05 1976-09-08 Ube Industries Nikahoriarukirufuenoorunoseiho
FR2318851A1 (fr) * 1975-07-25 1977-02-18 Rhone Poulenc Ind Procede d'hydroxylation de composes aromatiques
FR2336364A1 (fr) * 1975-12-24 1977-07-22 Rhone Poulenc Ind Hydroxylation de composes aromatiques
DE2658943C3 (de) * 1976-12-24 1982-02-18 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Brenzkatechin und Hydrochinon
DE3031736A1 (de) * 1980-08-22 1982-04-01 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von brenzkatechin und hydrochinon
FR2649695A1 (fr) * 1989-07-11 1991-01-18 Rhone Poulenc Chimie Procede d'hydroxylation de phenols et d'ethers de phenols
FR2655332A1 (fr) * 1989-12-05 1991-06-07 Rhone Poulenc Chimie Procede d'hydroxylation de phenols et d'ethers de phenols.
JP6847581B2 (ja) 2016-02-12 2021-03-24 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 無線通信装置、及び無線通信装置における表示方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1140913A (en) * 1965-10-04 1969-01-22 Ici Ltd Oxidation of aromatic hydrocarbons
FR1479354A (fr) * 1966-03-15 1967-05-05 Rhone Poulenc Sa Procédé d'obtention de polyphénols
FR2071464A5 (de) 1969-12-30 1971-09-17 Rhone Poulenc Sa

Also Published As

Publication number Publication date
NL7209868A (de) 1973-01-19
DE2167040A1 (de) 1977-10-20
JPS5641607B2 (de) 1981-09-29
US3836591A (en) 1974-09-17
DE2167040C2 (de) 1982-07-08
DE2150657A1 (de) 1973-01-25
FR2146195B1 (de) 1974-06-21
DE2150657B2 (de) 1978-03-02
CH575897A5 (de) 1976-05-31
BE786368A (fr) 1972-11-16
NL174344C (nl) 1984-06-01
DE2150657C3 (de) 1978-10-26
FR2146195A1 (de) 1973-03-02
GB1347625A (en) 1974-02-27
JPS4828435A (de) 1973-04-14

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