IT1029935B - Procedimento per idrossilare nelnucleo fenoli e eteri fenolici - Google Patents
Procedimento per idrossilare nelnucleo fenoli e eteri fenoliciInfo
- Publication number
- IT1029935B IT1029935B IT48438/75A IT4843875A IT1029935B IT 1029935 B IT1029935 B IT 1029935B IT 48438/75 A IT48438/75 A IT 48438/75A IT 4843875 A IT4843875 A IT 4843875A IT 1029935 B IT1029935 B IT 1029935B
- Authority
- IT
- Italy
- Prior art keywords
- hydroxyling
- procedure
- phenolic ethers
- phenols
- core
- Prior art date
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)
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 |
|---|---|
| IT1029935B true IT1029935B (it) | 1979-03-20 |
Family
ID=5909276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT48438/75A IT1029935B (it) | 1974-03-06 | 1975-03-04 | Procedimento per idrossilare nelnucleo fenoli e eteri fenolici |
Country Status (8)
Families Citing this family (16)
| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL130076C (US07935154-20110503-C00006.png) * | 1965-06-30 | |||
| FR2071464A5 (US07935154-20110503-C00006.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 |
-
1974
- 1974-03-06 DE DE2410758A patent/DE2410758C3/de not_active Expired
-
1975
- 1975-02-28 US US05/553,939 patent/US4045496A/en not_active Expired - Lifetime
- 1975-03-04 LU LU71960A patent/LU71960A1/xx unknown
- 1975-03-04 JP JP50025712A patent/JPS5753330B2/ja not_active Expired
- 1975-03-04 IT IT48438/75A patent/IT1029935B/it active
- 1975-03-04 BE BE153959A patent/BE826244A/xx not_active IP Right Cessation
- 1975-03-06 FR FR757507047A patent/FR2263217B1/fr not_active Expired
- 1975-03-06 GB GB934575A patent/GB1442290A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2410758A1 (de) | 1975-09-18 |
| JPS5753330B2 (US07935154-20110503-C00006.png) | 1982-11-12 |
| GB1442290A (en) | 1976-07-14 |
| DE2410758B2 (de) | 1980-04-30 |
| BE826244A (fr) | 1975-09-04 |
| FR2263217A1 (US07935154-20110503-C00006.png) | 1975-10-03 |
| JPS50121236A (US07935154-20110503-C00006.png) | 1975-09-23 |
| US4045496A (en) | 1977-08-30 |
| FR2263217B1 (US07935154-20110503-C00006.png) | 1979-02-09 |
| DE2410758C3 (de) | 1981-01-08 |
| LU71960A1 (US07935154-20110503-C00006.png) | 1976-02-04 |
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