CA1040659A - Production of hydroquinone - Google Patents
Production of hydroquinoneInfo
- Publication number
- CA1040659A CA1040659A CA243,700A CA243700A CA1040659A CA 1040659 A CA1040659 A CA 1040659A CA 243700 A CA243700 A CA 243700A CA 1040659 A CA1040659 A CA 1040659A
- Authority
- CA
- Canada
- Prior art keywords
- nitrobenzene
- hydroquinone
- reaction medium
- acid
- aqueous
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/30—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
- C07C209/32—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups
- C07C209/36—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings in presence of hydrogen-containing gases and a catalyst
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/24—Sulfates of ammonium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/542,086 US3935283A (en) | 1972-06-29 | 1975-01-17 | Production of hydroquinone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1040659A true CA1040659A (en) | 1978-10-17 |
Family
ID=24162279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA243,700A Expired CA1040659A (en) | 1975-01-17 | 1976-01-16 | Production of hydroquinone |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5811413B2 (de) |
| BE (1) | BE833961A (de) |
| CA (1) | CA1040659A (de) |
| DE (1) | DE2601146C3 (de) |
| FR (1) | FR2297827A1 (de) |
| GB (1) | GB1493657A (de) |
| IT (1) | IT1060533B (de) |
| NL (1) | NL7511280A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0015876A1 (de) * | 1979-03-01 | 1980-09-17 | Elprochine Ag | Verfahren zur Herstellung von Hydrochinon |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5232207B2 (de) * | 1971-09-10 | 1977-08-19 |
-
1975
- 1975-09-25 NL NL7511280A patent/NL7511280A/xx unknown
- 1975-09-29 BE BE160494A patent/BE833961A/xx not_active IP Right Cessation
- 1975-11-17 GB GB4043875A patent/GB1493657A/en not_active Expired
- 1975-12-19 FR FR7539013A patent/FR2297827A1/fr active Granted
-
1976
- 1976-01-05 IT IT4751576A patent/IT1060533B/it active
- 1976-01-07 JP JP51001345A patent/JPS5811413B2/ja not_active Expired
- 1976-01-14 DE DE19762601146 patent/DE2601146C3/de not_active Expired
- 1976-01-16 CA CA243,700A patent/CA1040659A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1493657A (en) | 1977-11-30 |
| DE2601146B2 (de) | 1980-02-14 |
| FR2297827A1 (fr) | 1976-08-13 |
| BE833961A (fr) | 1976-01-16 |
| DE2601146C3 (de) | 1980-10-09 |
| IT1060533B (it) | 1982-08-20 |
| JPS5191217A (de) | 1976-08-10 |
| FR2297827B1 (de) | 1979-01-19 |
| NL7511280A (nl) | 1976-07-20 |
| JPS5811413B2 (ja) | 1983-03-02 |
| DE2601146A1 (de) | 1976-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4431486A (en) | Azeotropic distillation of hydroxyacetic acid | |
| CA1040659A (en) | Production of hydroquinone | |
| US3530186A (en) | Process for the preparation of catechol and 2,2' - dihydroxydiphenylamine or lower alkyl ethers thereof | |
| JPS5858332B2 (ja) | フエノ−ルの製造法 | |
| US4067905A (en) | Preparation of 2-amino-n-butanol | |
| US3933925A (en) | Hydrolysis of toluene diamines to produce methyl resorcinols | |
| US4233245A (en) | Preparation of tris(hydroxymethyl)aminomethane | |
| US3935283A (en) | Production of hydroquinone | |
| US6441248B1 (en) | Preparation of biphenols by oxidative coupling of alkylphenols using copper catalyst | |
| US4180687A (en) | Reaction of formaldehyde in butynediol | |
| US3862247A (en) | Hydrolysis of para-aminophenol | |
| US2157391A (en) | Catalytic reduction of nitro compounds | |
| US6689921B2 (en) | Preparation of biphenols by oxidative coupling of alkylphenols using a recyclable copper catalyst | |
| US4656279A (en) | Process for production of decahydroisoquinoline | |
| US2513132A (en) | Preparation of amino alcohols | |
| EP0298289B1 (de) | Verfahren zur Herstellung von Hydroxybenzoesäure | |
| US4532352A (en) | Separation of aniline and p-fluoroaniline | |
| JP2713014B2 (ja) | カプロラクタムの製法 | |
| CA2278713A1 (en) | Process for producing butyric ester derivatives | |
| DE69410898T2 (de) | Verfahren zur herstellung von n,n,-disubstituiertem aminophenol | |
| US4270010A (en) | Hydroquinone by hydrolysis of p-aminophenol or salts | |
| US2971980A (en) | Preparation of para-nitrobenzaldehyde and para-nitrobenzoic acid | |
| EP0321158B1 (de) | Herstellung von m-Aminophenol | |
| EP0027004A1 (de) | Verfahren zur Herstellung unsymmetrischer Diphenylamine | |
| US4014867A (en) | Production of hexamethyleneimine from caprolactam |