DE68905021D1 - Verfahren zur herstellung von methylhydrochinon. - Google Patents
Verfahren zur herstellung von methylhydrochinon.Info
- Publication number
- DE68905021D1 DE68905021D1 DE8989420384T DE68905021T DE68905021D1 DE 68905021 D1 DE68905021 D1 DE 68905021D1 DE 8989420384 T DE8989420384 T DE 8989420384T DE 68905021 T DE68905021 T DE 68905021T DE 68905021 D1 DE68905021 D1 DE 68905021D1
- Authority
- DE
- Germany
- Prior art keywords
- hydrochinone
- producing methyl
- methylhydroquinone
- para
- present
- 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 - Fee Related
Links
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- WCYWZMWISLQXQU-UHFFFAOYSA-N methyl Chemical class [CH3] WCYWZMWISLQXQU-UHFFFAOYSA-N 0.000 title 1
- CNHDIAIOKMXOLK-UHFFFAOYSA-N toluquinol Chemical compound CC1=CC(O)=CC=C1O CNHDIAIOKMXOLK-UHFFFAOYSA-N 0.000 abstract 6
- NWVVVBRKAWDGAB-UHFFFAOYSA-N hydroquinone methyl ether Natural products COC1=CC=C(O)C=C1 NWVVVBRKAWDGAB-UHFFFAOYSA-N 0.000 abstract 5
- OHBQPCCCRFSCAX-UHFFFAOYSA-N 1,4-Dimethoxybenzene Chemical compound COC1=CC=C(OC)C=C1 OHBQPCCCRFSCAX-UHFFFAOYSA-N 0.000 abstract 2
- 230000002378 acidificating effect Effects 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
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
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/48—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by exchange of hydrocarbon groups, which may be substituted, from the same of other compounds, e.g. transalkylation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8814362A FR2637893B1 (fr) | 1988-10-14 | 1988-10-14 | Procede de preparation de la methylhydroquinone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE68905021D1 true DE68905021D1 (de) | 1993-04-01 |
| DE68905021T2 DE68905021T2 (de) | 1993-09-02 |
Family
ID=9371547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8989420384T Expired - Fee Related DE68905021T2 (de) | 1988-10-14 | 1989-10-09 | Verfahren zur herstellung von methylhydrochinon. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5043494A (de) |
| EP (1) | EP0364378B1 (de) |
| JP (1) | JPH02145533A (de) |
| AT (1) | ATE85972T1 (de) |
| DE (1) | DE68905021T2 (de) |
| FR (1) | FR2637893B1 (de) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB600839A (en) * | 1945-06-07 | 1948-04-20 | Peter Spence & Sons Ltd | Production of nuclear methylated phenols from anisole |
| FR657293A (fr) * | 1927-07-21 | 1929-05-21 | Schering Kahlbaum Ag | Procédé de préparation d'alcoyle-phénols |
| US3728408A (en) * | 1969-05-05 | 1973-04-17 | Mobil Oil Corp | Conversion of polar compounds using highly siliceous zeolite-type catalysts |
| JPS5918374B2 (ja) * | 1978-11-14 | 1984-04-26 | 三井東圧化学株式会社 | アニソ−ル類を出発物質とするオルトアルキル化フエノ−ル類の選択的製造方法 |
| US4283572A (en) * | 1979-12-27 | 1981-08-11 | Borg-Warner Corporation | Conversion of alkyl phenyl ether to alkylphenol |
| JPS5872530A (ja) * | 1981-10-28 | 1983-04-30 | Mitsui Petrochem Ind Ltd | アルキル基置換二価フエノ−ル類の製造方法 |
| DE3151589A1 (de) * | 1981-12-28 | 1983-07-07 | Basf Ag, 6700 Ludwigshafen | Diether von m- oder p-hydroxyphenolen und verfahren zur herstellung der diether oder monoether von m- oder p-hydroxyphenolen |
| JPS58210038A (ja) * | 1982-06-02 | 1983-12-07 | Mitsui Petrochem Ind Ltd | トリアルキルヒドロキノンの製造法 |
| US4709102A (en) * | 1986-10-07 | 1987-11-24 | Celanese Corporation | Process for producing 2-lower alkyl phenols |
| JPH0692339B2 (ja) * | 1988-03-30 | 1994-11-16 | 富士写真フイルム株式会社 | オルトー脂肪族オキシフェノール誘導体の製造方法 |
-
1988
- 1988-10-14 FR FR8814362A patent/FR2637893B1/fr not_active Expired - Lifetime
-
1989
- 1989-10-09 AT AT89420384T patent/ATE85972T1/de active
- 1989-10-09 DE DE8989420384T patent/DE68905021T2/de not_active Expired - Fee Related
- 1989-10-09 EP EP89420384A patent/EP0364378B1/de not_active Expired - Lifetime
- 1989-10-09 JP JP1262303A patent/JPH02145533A/ja active Pending
- 1989-10-16 US US07/421,938 patent/US5043494A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US5043494A (en) | 1991-08-27 |
| ATE85972T1 (de) | 1993-03-15 |
| JPH02145533A (ja) | 1990-06-05 |
| FR2637893B1 (fr) | 1991-04-12 |
| FR2637893A1 (fr) | 1990-04-20 |
| DE68905021T2 (de) | 1993-09-02 |
| EP0364378B1 (de) | 1993-02-24 |
| EP0364378A1 (de) | 1990-04-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |