BR8205651A - Processo de hidrolise - Google Patents
Processo de hidroliseInfo
- Publication number
- BR8205651A BR8205651A BR8205651A BR8205651A BR8205651A BR 8205651 A BR8205651 A BR 8205651A BR 8205651 A BR8205651 A BR 8205651A BR 8205651 A BR8205651 A BR 8205651A BR 8205651 A BR8205651 A BR 8205651A
- Authority
- BR
- Brazil
- Prior art keywords
- hydrolysis process
- catalytically
- veratrol
- guaiacol
- aryl
- 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
- C07C37/01—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis
- C07C37/055—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis the substituted group being bound to oxygen, e.g. ether group
-
- 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
- Y02P20/52—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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8118572A FR2513631A1 (fr) | 1981-09-29 | 1981-09-29 | Procede d'hydrolyse d'ethers aryl-aliphatiques |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8205651A true BR8205651A (pt) | 1983-08-30 |
Family
ID=9262676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8205651A BR8205651A (pt) | 1981-09-29 | 1982-09-28 | Processo de hidrolise |
Country Status (8)
Country | Link |
---|---|
US (1) | US4473713A (pt) |
EP (1) | EP0076220B1 (pt) |
JP (1) | JPS5874628A (pt) |
AT (1) | ATE14718T1 (pt) |
BR (1) | BR8205651A (pt) |
CA (1) | CA1184199A (pt) |
DE (1) | DE3265248D1 (pt) |
FR (1) | FR2513631A1 (pt) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3315798A1 (de) * | 1983-04-30 | 1984-10-31 | Hoechst Ag, 6230 Frankfurt | Verfahren zur herstellung von 6-chlor-2,4-dinitrophenol |
JPH0834154B2 (ja) * | 1986-11-06 | 1996-03-29 | ソニー株式会社 | 軟磁性薄膜 |
US4978811A (en) * | 1988-04-01 | 1990-12-18 | The Dow Chemical Company | Process for hydrolysis of ortho-aromatic di-aryl ethers |
DE3815292A1 (de) * | 1988-05-05 | 1989-11-16 | Basf Ag | Verfahren zur herstellung von hydroxybenzaldehyden |
US5177269A (en) * | 1992-06-18 | 1993-01-05 | Merichem Company | Removal of guaiacol from cresylic acid feedstreams by heating with a strong acid |
US5254750A (en) * | 1993-04-05 | 1993-10-19 | Merichem Company | Removal of guaiacol from cresylic acid by heating with a strong base |
FR2725982B1 (fr) * | 1994-10-24 | 1996-12-20 | Rhone Poulenc Chimie | Procede de preparation d'isovanilline |
NO312361B1 (no) * | 2000-05-12 | 2002-04-29 | Norsk Hydro As | Fremgangsmate for fremstilling av hydroksyforbindelser |
DE502007005600D1 (de) | 2006-09-15 | 2010-12-23 | Sulzer Friction Systems German | Synchronring |
JP5236274B2 (ja) * | 2007-12-25 | 2013-07-17 | 上野製薬株式会社 | 6−ヒドロキシ−2−ナフトエ酸再生品の製造方法 |
EP2677187B1 (de) | 2012-06-18 | 2020-05-20 | Oerlikon Friction Systems (Germany) GmbH | Reibring, Synchronisierungseinheit, sowie ein Zahnräderwechselgetriebe für ein Fahrzeug |
BR102016021056A2 (pt) | 2015-10-07 | 2017-05-30 | OERLIKON FRICTION SYSTEMS (GERMANY) GmbH | Friction ring for a synchronization unit |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA646193A (en) * | 1962-08-07 | Kamlet Jonas | Process for the manufacture of bourbonal | |
US561077A (en) * | 1896-06-02 | Fritz ach | ||
DE730236C (de) * | 1941-12-20 | 1943-01-08 | Heyden Chem Fab | Verfahren zur katalytischen Zersetzung von Diphenylaether zu Phenol |
US2697732A (en) * | 1952-02-28 | 1954-12-21 | Universal Oil Prod Co | O-dealkylation process |
US2878292A (en) * | 1955-06-20 | 1959-03-17 | Crown Zellerbach Corp | Purification of bourbonal |
NL279980A (pt) * | 1961-06-21 | |||
US3413341A (en) * | 1964-06-10 | 1968-11-26 | Frontier Chemical Company | Hydrolysis of haloaromatics |
US3367972A (en) * | 1964-11-19 | 1968-02-06 | Sterling Drug Inc | Selective hydrolysis of dialkyl ethers of protocatechuic aldehyde |
DE2852163A1 (de) * | 1978-12-02 | 1980-06-12 | Bayer Ag | Verfahren zur herstellung von m-hydroxy-benzoesaeure |
-
1981
- 1981-09-29 FR FR8118572A patent/FR2513631A1/fr active Granted
-
1982
- 1982-09-23 EP EP82420130A patent/EP0076220B1/fr not_active Expired
- 1982-09-23 DE DE8282420130T patent/DE3265248D1/de not_active Expired
- 1982-09-23 AT AT82420130T patent/ATE14718T1/de not_active IP Right Cessation
- 1982-09-27 US US06/424,587 patent/US4473713A/en not_active Expired - Fee Related
- 1982-09-28 CA CA000412371A patent/CA1184199A/fr not_active Expired
- 1982-09-28 JP JP57167735A patent/JPS5874628A/ja active Granted
- 1982-09-28 BR BR8205651A patent/BR8205651A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
CA1184199A (fr) | 1985-03-19 |
FR2513631B1 (pt) | 1983-12-16 |
EP0076220A1 (fr) | 1983-04-06 |
JPS5874628A (ja) | 1983-05-06 |
DE3265248D1 (en) | 1985-09-12 |
FR2513631A1 (fr) | 1983-04-01 |
EP0076220B1 (fr) | 1985-08-07 |
ATE14718T1 (de) | 1985-08-15 |
US4473713A (en) | 1984-09-25 |
JPS632535B2 (pt) | 1988-01-19 |
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