IT1034821B - Procedimento per preparare derivati fenolici diidrici - Google Patents
Procedimento per preparare derivati fenolici diidriciInfo
- Publication number
- IT1034821B IT1034821B IT2197275A IT2197275A IT1034821B IT 1034821 B IT1034821 B IT 1034821B IT 2197275 A IT2197275 A IT 2197275A IT 2197275 A IT2197275 A IT 2197275A IT 1034821 B IT1034821 B IT 1034821B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- phenolic derivatives
- dihydric phenolic
- preparing dihydric
- preparing
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP49037318A JPS5238546B2 (de) | 1974-04-04 | 1974-04-04 | |
JP49049811A JPS5238548B2 (de) | 1974-05-07 | 1974-05-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1034821B true IT1034821B (it) | 1979-10-10 |
Family
ID=26376452
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2197275A IT1034821B (it) | 1974-04-04 | 1975-04-03 | Procedimento per preparare derivati fenolici diidrici |
Country Status (7)
Country | Link |
---|---|
CS (1) | CS190471B2 (de) |
DE (1) | DE2514742C3 (de) |
FR (1) | FR2266683B1 (de) |
GB (1) | GB1448358A (de) |
HU (1) | HU172431B (de) |
IT (1) | IT1034821B (de) |
SU (1) | SU689614A3 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2336364A1 (fr) * | 1975-12-24 | 1977-07-22 | Rhone Poulenc Ind | Hydroxylation de composes aromatiques |
IT1150699B (it) * | 1982-03-19 | 1986-12-17 | Anic Spa | Procedimento per la ossidrilazione di idrocarburi aromatici |
FR2649695A1 (fr) * | 1989-07-11 | 1991-01-18 | Rhone Poulenc Chimie | Procede d'hydroxylation de phenols et d'ethers de phenols |
FR2667598B1 (fr) * | 1990-10-08 | 1994-05-20 | Rhone Poulenc Chimie | Procede d'hydroxylation de composes phenoliques. |
EP0558376B1 (de) * | 1992-02-26 | 1997-10-08 | Rhone-Poulenc Chimie | Verfahren zur Monohydroxylierung von Phenolverbindungen |
FR2687663B1 (fr) * | 1992-02-26 | 1994-05-20 | Rhone Poulenc Chimie | Procede d'hydroxylation de composes phenoliques. |
FR2687662B1 (fr) * | 1992-02-26 | 1995-06-09 | Rhone Poulenc Chimie | Procede d'hydroxylation de composes phenoliques. |
FR2689505B1 (fr) * | 1992-04-03 | 1995-06-09 | Rhone Poulenc Chimie | Procede d'hydroxylation de composes phenoliques. |
FR2693457B1 (fr) * | 1992-07-10 | 1994-09-02 | Rhone Poulenc Chimie | Procédé d'hydroxylation de composés phénoliques. |
FR2700332B1 (fr) * | 1993-01-08 | 1995-03-10 | Rhone Poulenc Chimie | Procédé d'hydroxylation de composés phénoliques. |
FR2700333B1 (fr) * | 1993-01-08 | 1995-03-10 | Rhone Poulenc Chimie | Procédé de préparation de composés aromatiques dihydroxyles. |
DE69417773T2 (de) * | 1993-01-08 | 1999-11-11 | Rhodia Chimie, Courbevoie | Verfahren zur Herstellung eines p-Fuchsons |
FR2744720B1 (fr) * | 1996-02-09 | 1998-04-10 | Rhone Poulenc Chimie | Procede d'hydroxylation de composes phenoliques |
FR2932178B1 (fr) * | 2008-06-09 | 2012-12-07 | Rhodia Operations | Procede d'hydroxylation de phenols et d'ethers de phenols |
FR2944012B1 (fr) | 2009-04-06 | 2011-05-20 | Rhodia Operations | Procede d'hydroxylation de phenols et d'ethers de phenols. |
CN114426463B (zh) * | 2020-10-13 | 2024-05-28 | 中国石油化工股份有限公司 | 制备间苯二酚的方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3481989A (en) * | 1967-06-01 | 1969-12-02 | Universal Oil Prod Co | Substitution of aromatic compounds |
FR2071464A5 (de) * | 1969-12-30 | 1971-09-17 | Rhone Poulenc Sa | |
CA919707A (en) * | 1970-12-29 | 1973-01-23 | Mitsubishi Chemical Industries Limited | Process for preparing catechol and hydroquinone |
JPS5111103B1 (de) * | 1970-12-30 | 1976-04-08 | ||
DE2167040C2 (de) * | 1971-07-17 | 1982-07-08 | Brichima S.p.A., Milano | Verfahren zur Herstellung von Brenzcatechin und Hydrochinon |
DE2138735A1 (de) * | 1971-08-03 | 1973-03-01 | Haarmann & Reimer Gmbh | Verfahren zur herstellung von polyhydroxybenzolen |
IT964049B (it) * | 1972-08-18 | 1974-01-21 | Brichima Spa | Processo per la preparazione di difenoli |
-
1975
- 1975-03-18 GB GB1112775A patent/GB1448358A/en not_active Expired
- 1975-04-02 HU HU75UE00000062A patent/HU172431B/hu unknown
- 1975-04-03 IT IT2197275A patent/IT1034821B/it active
- 1975-04-03 CS CS228875A patent/CS190471B2/cs unknown
- 1975-04-04 FR FR7510616A patent/FR2266683B1/fr not_active Expired
- 1975-04-04 SU SU752120400A patent/SU689614A3/ru active
- 1975-04-04 DE DE19752514742 patent/DE2514742C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2514742B2 (de) | 1981-02-05 |
FR2266683B1 (de) | 1978-10-13 |
SU689614A3 (ru) | 1979-09-30 |
FR2266683A1 (de) | 1975-10-31 |
DE2514742C3 (de) | 1985-05-15 |
GB1448358A (en) | 1976-09-08 |
HU172431B (hu) | 1978-08-28 |
CS190471B2 (en) | 1979-05-31 |
DE2514742A1 (de) | 1975-10-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19940428 |