CH622235A5 - - Google Patents
Download PDFInfo
- Publication number
- CH622235A5 CH622235A5 CH961276A CH961276A CH622235A5 CH 622235 A5 CH622235 A5 CH 622235A5 CH 961276 A CH961276 A CH 961276A CH 961276 A CH961276 A CH 961276A CH 622235 A5 CH622235 A5 CH 622235A5
- Authority
- CH
- Switzerland
- Prior art keywords
- acid
- dehydrogenation
- mixture
- methyl
- ether
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
- C07C45/455—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation with carboxylic acids or their derivatives
-
- 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
- C07C37/06—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by conversion of non-aromatic six-membered rings or of such rings formed in situ into aromatic six-membered rings, e.g. by dehydrogenation
- C07C37/07—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by conversion of non-aromatic six-membered rings or of such rings formed in situ into aromatic six-membered rings, e.g. by dehydrogenation with simultaneous reduction of C=O group in that ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C39/00—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
- C07C39/02—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring monocyclic with no unsaturation outside the aromatic ring
- C07C39/08—Dihydroxy benzenes; Alkylated derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/56—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds
- C07C45/57—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom
- C07C45/60—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom in six-membered rings
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2533920A DE2533920C2 (de) | 1975-07-30 | 1975-07-30 | Verfahren zur Herstellung von Resorcinen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH622235A5 true CH622235A5 (it) | 1981-03-31 |
Family
ID=5952745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH961276A CH622235A5 (it) | 1975-07-30 | 1976-07-27 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4072660A (it) |
| JP (1) | JPS5217429A (it) |
| BE (1) | BE844736A (it) |
| BR (1) | BR7604960A (it) |
| CA (1) | CA1078863A (it) |
| CH (1) | CH622235A5 (it) |
| DE (1) | DE2533920C2 (it) |
| FR (1) | FR2319609A1 (it) |
| GB (1) | GB1554269A (it) |
| IT (1) | IT1062558B (it) |
| MX (1) | MX143488A (it) |
| NL (1) | NL7608195A (it) |
| ZA (1) | ZA764388B (it) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4173982A (en) * | 1977-05-26 | 1979-11-13 | International Flavors & Fragrances Inc. | Use of substituted dimethyl dihydroxy benzene and cyclohexadiene compounds for augmenting or enhancing the taste and/or aroma of smoking tobaccos |
| US4115431A (en) * | 1977-05-26 | 1978-09-19 | International Flavors & Fragrances Inc. | Substituted dimethyl dihydroxy benzene and cyclohexadiene compounds and uses thereof for augmenting or enhancing the taste and/or aroma of consumable materials including tobaccos, perfumes and perfumed articles |
| US4169072A (en) * | 1977-05-26 | 1979-09-25 | International Flavors & Fragrances Inc. | Substituted dimethyl dihydroxy benzene and cyclohexadiene compounds in perfumery |
| DE2825073A1 (de) * | 1978-06-08 | 1979-12-20 | Hoechst Ag | Verfahren zur herstellung von resorcinen aus delta-ketocarbonsaeureestern |
| US4540830A (en) * | 1981-03-02 | 1985-09-10 | Cornell Research Foundation, Inc. | Anti-juvenile hormones |
| US4347256A (en) * | 1981-03-02 | 1982-08-31 | Cornell Research Foundation, Inc. | Anti-juvenile hormones |
| DE3116913A1 (de) | 1981-04-29 | 1982-11-18 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von resorcinderivaten sowie verwendung bestimmter resorcinderivate als riechstoffe |
| EP0065708A3 (de) * | 1981-05-21 | 1983-01-26 | Lonza Ag | Verfahren zur Herstellung von Dimedon |
| CH653665A5 (de) * | 1981-05-27 | 1986-01-15 | Lonza Ag | Verfahren zur herstellung von dimedon. |
| DE3136720C2 (de) * | 1981-09-16 | 1986-05-07 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Herstellung von 3-Alkyl-6-methyl-ß-resorcylsäureestern |
| US4431848A (en) * | 1982-04-26 | 1984-02-14 | Koppers Company, Inc. | Preparation of resorcinol and substituted resorcinols by liquid-phase dehydrogenation of 1,3-cyclic diones derived by vapor-phase cyclization of delta-keto carboxylic acid esters |
| US5233095A (en) * | 1986-03-18 | 1993-08-03 | Catalytica, Inc. | Process for manufacture of resorcinol |
| US4861921A (en) * | 1986-03-18 | 1989-08-29 | Catalytica Associates | Process for manufacture of resorcinol |
| JPH07107003B2 (ja) * | 1986-10-16 | 1995-11-15 | 三菱瓦斯化学株式会社 | ２，３，５−トリメチルハイドロキノンの製造方法 |
| JPH0558931A (ja) * | 1991-08-30 | 1993-03-09 | Sumitomo Chem Co Ltd | ２−メチルレゾルシノールおよび２−メチル−１，３−シクロヘキサンジオンの製造方法 |
| CN101372445B (zh) * | 2007-08-24 | 2013-01-30 | 深圳泛胜塑胶助剂有限公司 | 间苯二酚合成工艺 |
| CN112645799B (zh) * | 2020-12-09 | 2022-11-25 | 山东兴强化工产业技术研究院有限公司 | 一种间苯二酚的后处理工艺 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1926632A (en) * | 1925-06-20 | 1933-09-12 | Gold Und Silber Scheideaunstal | Process for the preparation of ketones from esters |
| FR1410795A (fr) * | 1963-10-08 | 1965-09-10 | Hoechst Ag | Dérivés du résorcinol et leur préparation |
| GB1188387A (en) * | 1967-05-31 | 1970-04-15 | British Oxygen Co Ltd | Preparation of Resorcinol |
| US3627833A (en) * | 1968-07-05 | 1971-12-14 | Mobil Oil Corp | Preparation of dihydroresorcinol |
| US3691102A (en) * | 1970-05-11 | 1972-09-12 | Gulf Research Development Co | Group viii metal-tin catalyst and method of making same |
| US3900522A (en) * | 1972-06-30 | 1975-08-19 | Koppers Co Inc | Production of catechol |
| DE2245270C3 (de) * | 1972-09-15 | 1979-09-13 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von Cyclohexandionen-0,3) |
| US3953526A (en) * | 1972-09-22 | 1976-04-27 | Atlantic Richfield Company | Synthesis of hydroquinone |
| DE2261751C3 (de) * | 1972-12-16 | 1981-12-24 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von Cyclohexandionen-(1,3) |
| NL174939C (nl) * | 1973-03-14 | 1984-09-03 | Stamicarbon | Werkwijze voor de bereiding van resorcinol en alkylgesubstitueerde derivaten hiervan. |
| NL174940C (nl) * | 1973-03-14 | 1984-09-03 | Stamicarbon | Werkwijze voor de bereiding van cyclohexaan-1,3-dion en alkylgesubstitueerde derivaten hiervan. |
| DE2437983C3 (de) * | 1974-08-07 | 1982-04-01 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von Resorcinen |
-
1975
- 1975-07-30 DE DE2533920A patent/DE2533920C2/de not_active Expired
-
1976
- 1976-07-22 ZA ZA764388A patent/ZA764388B/xx unknown
- 1976-07-23 NL NL7608195A patent/NL7608195A/xx not_active Application Discontinuation
- 1976-07-27 CH CH961276A patent/CH622235A5/de not_active IP Right Cessation
- 1976-07-28 IT IT25798/76A patent/IT1062558B/it active
- 1976-07-28 US US05/709,291 patent/US4072660A/en not_active Expired - Lifetime
- 1976-07-29 JP JP51089751A patent/JPS5217429A/ja active Pending
- 1976-07-29 CA CA258,121A patent/CA1078863A/en not_active Expired
- 1976-07-29 BR BR7604960A patent/BR7604960A/pt unknown
- 1976-07-29 GB GB31656/76A patent/GB1554269A/en not_active Expired
- 1976-07-30 BE BE169428A patent/BE844736A/xx not_active IP Right Cessation
- 1976-07-30 FR FR7623351A patent/FR2319609A1/fr active Granted
- 1976-07-30 MX MX165741A patent/MX143488A/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| MX143488A (es) | 1981-05-20 |
| FR2319609B1 (it) | 1982-11-19 |
| US4072660A (en) | 1978-02-07 |
| ZA764388B (en) | 1977-07-27 |
| DE2533920A1 (de) | 1977-02-17 |
| CA1078863A (en) | 1980-06-03 |
| BE844736A (fr) | 1977-01-31 |
| GB1554269A (en) | 1979-10-17 |
| JPS5217429A (en) | 1977-02-09 |
| IT1062558B (it) | 1984-10-20 |
| NL7608195A (nl) | 1977-02-01 |
| BR7604960A (pt) | 1977-08-09 |
| FR2319609A1 (fr) | 1977-02-25 |
| DE2533920C2 (de) | 1982-12-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH622235A5 (it) | ||
| DE2437983C3 (de) | Verfahren zur Herstellung von Resorcinen | |
| CH615431A5 (it) | ||
| EP0089417B1 (de) | Verfahren zur Herstellung von Phthalid | |
| EP0100019B1 (de) | Verfahren zur Herstellung von alpha-substituierten beta-Dicarbonyl-, beta-Cyancarbonyl- und beta-Dicyanverbindungen | |
| DE2404158B2 (de) | Verfahren zur Herstellung eines 2-(4-Alkylphenyl)-propion-aldehyds | |
| DE2240398C3 (de) | Verfahren zur Herstellung von Arylessigsäurealkylestern | |
| DE2404306C3 (de) | Optisch aktive Pinanderivate | |
| EP0211205B1 (de) | Verfahren zur Herstellung von 2-Methyl-2-alkenalen | |
| EP0509273B1 (de) | 2,5-Bis-(1',1'-dialkoxy-2'-propyl)-2,5-dihydrofurane, Verfahren zu deren Herstellung sowie deren Verwendung zur Herstellung von Carotinoiden | |
| EP0046193B1 (de) | 1-Hydroxypyrazol und Verfahren zu seiner Herstellung | |
| DE3437634A1 (de) | Verfahren zur herstellung von gegebenenfalls substituierter zimtsaeure in gegenwart eines katalysators | |
| DE2248525A1 (de) | Verfahren zur decarboxylierung von ortho- oder para-hydroxyarylcarbonsaeuren | |
| CH409903A (de) | Verfahren zur Herstellung von organischen Fluor-Verbindungen | |
| DE2640026C2 (de) | Verfahren zur Herstellung von 6,10,14-Trimethylpentadecan-2-on | |
| DE3020298C2 (de) | Verfahren zur Herstellung von 2,2,4,5,5-Pentamethyl-3-formyl-3-pyrrolin | |
| EP0235532A1 (de) | Verfahren zur Herstellung von 4-Monoacetalen des 2-Methyl-2-buten-1,4-dials | |
| DE2329553C3 (de) | Verfahren zur Herstellung von Dimethylaminobenzoesäureestern | |
| AT337681B (de) | Verfahren zur herstellung von neuen benzocycloalkencarbonsauren und deren derivaten | |
| DE1965377C3 (de) | Verfahren zur Herstellung primärer oder sekundärer äthylenischer Alkohole | |
| DE1668626C3 (it) | ||
| EP0171046A2 (de) | Verfahren zur Herstellung von Pantolacton | |
| DE2264663C3 (de) | Ungesättigte Sulfoxyde und Verfahren zu ihrer Herstellung | |
| DE2108926A1 (en) | 3-acyl-4-hydroxy-2-butenoic acid lactone prepn - from an alpha-ketocarboxylic acid and an alpha beta unsatd carbonyl cpd | |
| EP0447758B1 (de) | Verfahren zur Herstellung von ungesättigten und gesättigten Carbonylverbindungen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |