GB1442290A - Process for the hydroxylation of phenols and phenol ethers in the nucleus - Google Patents

Process for the hydroxylation of phenols and phenol ethers in the nucleus

Info

Publication number
GB1442290A
GB1442290A GB934575A GB934575A GB1442290A GB 1442290 A GB1442290 A GB 1442290A GB 934575 A GB934575 A GB 934575A GB 934575 A GB934575 A GB 934575A GB 1442290 A GB1442290 A GB 1442290A
Authority
GB
United Kingdom
Prior art keywords
phenol
hydroxylation
nucleus
phenols
carried out
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
GB934575A
Other languages
English (en)
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of GB1442290A publication Critical patent/GB1442290A/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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01—Preparation of ethers
    • C07C41/18—Preparation of ethers by reactions not forming ether-oxygen bonds
    • C07C41/26—Preparation of ethers by reactions not forming ether-oxygen bonds by introduction of hydroxy or O-metal groups
    • 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
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB934575A 1974-03-06 1975-03-06 Process for the hydroxylation of phenols and phenol ethers in the nucleus Expired GB1442290A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2410758A DE2410758C3 (de) 1974-03-06 1974-03-06 Verfahren zur Herstellung von mehrwertigen substituierten Phenolen bzw. Monoäthern mehrwertiger Phenole durch Kernhydroxylierung von Phenolen oder Phenoläthern

Publications (1)

Publication Number Publication Date
GB1442290A true GB1442290A (en) 1976-07-14

Family

ID=5909276

Family Applications (1)

Application Number Title Priority Date Filing Date
GB934575A Expired GB1442290A (en) 1974-03-06 1975-03-06 Process for the hydroxylation of phenols and phenol ethers in the nucleus

Country Status (8)

Country Link
US (1) US4045496A (US08088918-20120103-C00476.png)
JP (1) JPS5753330B2 (US08088918-20120103-C00476.png)
BE (1) BE826244A (US08088918-20120103-C00476.png)
DE (1) DE2410758C3 (US08088918-20120103-C00476.png)
FR (1) FR2263217B1 (US08088918-20120103-C00476.png)
GB (1) GB1442290A (US08088918-20120103-C00476.png)
IT (1) IT1029935B (US08088918-20120103-C00476.png)
LU (1) LU71960A1 (US08088918-20120103-C00476.png)

Families Citing this family (16)

* 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
FR2318851A1 (fr) * 1975-07-25 1977-02-18 Rhone Poulenc Ind Procede d'hydroxylation de composes aromatiques
FR2392939A1 (fr) * 1977-06-01 1978-12-29 Midi Salines Est Cie Salins Procede de sterilisation de matieres echangeuses d'ions pour l'adoucissement des eaux, et agents de sterilisation associes
US4258219A (en) * 1978-10-27 1981-03-24 Mitsui Toatsu Chemicals, Inc. Process for producing hydroquinone
US4419528A (en) * 1979-10-05 1983-12-06 Pcuk - Produits Chimiques Ugine Kuhlmann Regioselective preparation of α- or β-naphthol
DE2942366A1 (de) * 1979-10-19 1981-04-30 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung mehrwertiger phenole
FR2483403A1 (fr) * 1980-06-03 1981-12-04 Ugine Kuhlmann Procede de meta-hydroxylation des alkyl-phenols et de leurs ethers en milieu superacide
DE3308763C2 (de) * 1983-03-11 1985-01-24 Degussa Ag, 6000 Frankfurt Verfahren zur Herstellung von Dihydroxybenzolen
DE3308726C2 (de) * 1983-03-11 1991-01-24 Degussa Ag, 6000 Frankfurt Verfahren zur Herstellung von Dihydroxybenzolen
DE3308769C2 (de) * 1983-03-11 1985-01-24 Degussa Ag, 6000 Frankfurt Verfahren zur Herstellung von Dihydroxybenzolen
DE3334854A1 (de) * 1983-09-27 1985-04-11 Degussa Ag, 6000 Frankfurt Verfahren zur herstellung nichtwaessriger wasserstoffperoxidloesungen und deren verwendung
US4814521A (en) * 1985-06-07 1989-03-21 Kureha Kagaku Kogyo Kabushiki Kaisha Process for producing 2,6-dihydroxynaphthalene and 2,6-diacetoxynaphthalene
DE3607923A1 (de) * 1986-03-11 1987-09-17 Degussa Verfahren zur herstellung substituierter trihydroxybenzole
DE3643206C1 (de) * 1986-12-18 1988-03-24 Degussa Verfahren zur Herstellung von substituierten Dihydroxybenzolen
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.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL130076C (US08088918-20120103-C00476.png) * 1965-06-30
FR2071464A5 (US08088918-20120103-C00476.png) * 1969-12-30 1971-09-17 Rhone Poulenc Sa
DE2167040C2 (de) * 1971-07-17 1982-07-08 Brichima S.p.A., Milano Verfahren zur Herstellung von Brenzcatechin und Hydrochinon

Also Published As

Publication number Publication date
DE2410758A1 (de) 1975-09-18
JPS5753330B2 (US08088918-20120103-C00476.png) 1982-11-12
DE2410758B2 (de) 1980-04-30
BE826244A (fr) 1975-09-04
FR2263217A1 (US08088918-20120103-C00476.png) 1975-10-03
JPS50121236A (US08088918-20120103-C00476.png) 1975-09-23
US4045496A (en) 1977-08-30
IT1029935B (it) 1979-03-20
FR2263217B1 (US08088918-20120103-C00476.png) 1979-02-09
DE2410758C3 (de) 1981-01-08
LU71960A1 (US08088918-20120103-C00476.png) 1976-02-04

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee