BE871395A - Procede de monoetherification selective de la pyrocatechine - Google Patents
Procede de monoetherification selective de la pyrocatechineInfo
- Publication number
- BE871395A BE871395A BE191229A BE191229A BE871395A BE 871395 A BE871395 A BE 871395A BE 191229 A BE191229 A BE 191229A BE 191229 A BE191229 A BE 191229A BE 871395 A BE871395 A BE 871395A
- Authority
- BE
- Belgium
- Prior art keywords
- pyrocatechine
- monoetherification
- selective
- selective monoetherification
- monoetherification process
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C43/00—Ethers; Compounds having groups, groups or groups
- C07C43/02—Ethers
- C07C43/20—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring
- C07C43/23—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring containing hydroxy or O-metal groups
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)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7732340A FR2406622A1 (fr) | 1977-10-20 | 1977-10-20 | Procede de monoetherification selective de la pyrocatechine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE871395A true BE871395A (fr) | 1979-04-19 |
Family
ID=9196982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE191229A BE871395A (fr) | 1977-10-20 | 1978-10-19 | Procede de monoetherification selective de la pyrocatechine |
Country Status (20)
| Country | Link |
|---|---|
| US (1) | US4250333A (it) |
| JP (1) | JPS54106438A (it) |
| AT (1) | AT358559B (it) |
| BE (1) | BE871395A (it) |
| BR (1) | BR7806906A (it) |
| CA (1) | CA1111864A (it) |
| CH (1) | CH635054A5 (it) |
| DD (1) | DD140453A5 (it) |
| DE (1) | DE2845429A1 (it) |
| DK (1) | DK170156B1 (it) |
| ES (1) | ES474342A1 (it) |
| FR (1) | FR2406622A1 (it) |
| GB (1) | GB2006211B (it) |
| HU (1) | HU175816B (it) |
| IE (1) | IE47457B1 (it) |
| IL (1) | IL55819A (it) |
| IT (1) | IT1101617B (it) |
| LU (1) | LU80394A1 (it) |
| NL (1) | NL190370C (it) |
| WO (1) | WO1979000219A1 (it) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2932458A1 (de) * | 1979-08-10 | 1981-02-26 | Bayer Ag | Herstellung von monoalkylethern von hydroxyphenolen und deren umwandlung zu hydroxycumaranen |
| DE3018004C2 (de) * | 1980-05-10 | 1982-06-16 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von Hydrochinonmonophenyläthern |
| IT1140948B (it) * | 1980-05-16 | 1986-10-10 | Montedison Spa | Processo per la preparazione del mono-metallil-etere della pirocatechina |
| DE3043230A1 (de) * | 1980-11-15 | 1982-07-08 | Bayer Ag, 5090 Leverkusen | Herstellung von monoalkylaethern von hydroxyphenolen |
| US4465868A (en) * | 1981-07-17 | 1984-08-14 | Otsuka Kagaku Yakuhin Kabushiki Kaisha | Process for preparing o-methallyloxyphenol |
| DE3136810A1 (de) * | 1981-09-16 | 1983-03-31 | Bayer Ag, 5090 Leverkusen | Verfahren zur isolierung von dihydroxybenzol-monoethern aus reaktionsgemischen |
| US4420642A (en) * | 1982-02-18 | 1983-12-13 | Fmc Corporation | Selective removal and recovery of catechol mixed with 2-methallyloxyphenol |
| IT1151718B (it) * | 1982-04-19 | 1986-12-24 | Brichima Spa | Procedimento per la preparazione del 2,3-diidro-2,2-dimetilbenzofuran-7-olo |
| US4639536A (en) * | 1984-08-30 | 1987-01-27 | Union Carbide Corporation | Intermediate, its synthesis, and its use in a process for the preparation of 2,3-dihydro-2,2-dimethyl-7-hydroxybenzofuran |
| DE3439938A1 (de) * | 1984-11-02 | 1986-05-15 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung niedrigmolekularer diglycidylether zweiwertiger phenole |
| US4618728A (en) * | 1985-02-22 | 1986-10-21 | Fmc Corporation | Water aided catechol etherification |
| US4982012A (en) * | 1987-12-18 | 1991-01-01 | Fmc Corporation | Two phase process for preparing 2-methallyloxyphenol from catechol |
| US4851587A (en) * | 1988-05-31 | 1989-07-25 | Fmc Corporation | Single solvent process for preparing 2-methallyloxy-phenol from catechol |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3474171A (en) * | 1964-01-23 | 1969-10-21 | Fmc Corp | 2,2-dimethyl-2,3-dihydrobenzofuranyl-7-n-methylcarbamate |
| US3927118A (en) * | 1973-12-21 | 1975-12-16 | Crown Zellerbach Corp | Process for monoetherification of polyhydric benzenes |
-
1977
- 1977-10-20 FR FR7732340A patent/FR2406622A1/fr active Granted
-
1978
- 1978-04-19 BR BR7806906A patent/BR7806906A/pt unknown
- 1978-10-12 US US05/951,278 patent/US4250333A/en not_active Expired - Lifetime
- 1978-10-18 DE DE19782845429 patent/DE2845429A1/de active Granted
- 1978-10-18 NL NLAANVRAGE7810446,A patent/NL190370C/xx not_active IP Right Cessation
- 1978-10-18 GB GB7840983A patent/GB2006211B/en not_active Expired
- 1978-10-18 CA CA313,714A patent/CA1111864A/en not_active Expired
- 1978-10-18 WO PCT/FR1978/000035 patent/WO1979000219A1/fr not_active Application Discontinuation
- 1978-10-18 IE IE2068/78A patent/IE47457B1/en not_active IP Right Cessation
- 1978-10-19 DK DK466878A patent/DK170156B1/da not_active IP Right Cessation
- 1978-10-19 BE BE191229A patent/BE871395A/xx not_active IP Right Cessation
- 1978-10-19 LU LU80394A patent/LU80394A1/fr unknown
- 1978-10-19 JP JP12902378A patent/JPS54106438A/ja active Granted
- 1978-10-19 ES ES474342A patent/ES474342A1/es not_active Expired
- 1978-10-19 HU HU78PI644A patent/HU175816B/hu not_active IP Right Cessation
- 1978-10-20 DD DD78208587A patent/DD140453A5/de not_active IP Right Cessation
- 1978-10-20 CH CH1089478A patent/CH635054A5/fr not_active IP Right Cessation
- 1978-10-20 AT AT756178A patent/AT358559B/de not_active IP Right Cessation
- 1978-10-20 IT IT28967/78A patent/IT1101617B/it active
- 1978-10-30 IL IL55819A patent/IL55819A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2406622A1 (fr) | 1979-05-18 |
| JPS54106438A (en) | 1979-08-21 |
| BR7806906A (pt) | 1979-06-26 |
| DE2845429C2 (it) | 1989-01-05 |
| DE2845429A1 (de) | 1979-04-26 |
| IT1101617B (it) | 1985-10-07 |
| LU80394A1 (fr) | 1980-05-07 |
| WO1979000219A1 (fr) | 1979-05-03 |
| NL190370C (nl) | 1994-02-01 |
| IE782068L (en) | 1979-04-20 |
| IE47457B1 (en) | 1984-03-21 |
| ATA756178A (de) | 1980-02-15 |
| DD140453A5 (de) | 1980-03-05 |
| CA1111864A (en) | 1981-11-03 |
| GB2006211B (en) | 1982-02-17 |
| NL190370B (nl) | 1993-09-01 |
| NL7810446A (nl) | 1979-04-24 |
| IT7828967A0 (it) | 1978-10-20 |
| DK170156B1 (da) | 1995-06-06 |
| HU175816B (hu) | 1980-10-28 |
| JPS6339578B2 (it) | 1988-08-05 |
| US4250333A (en) | 1981-02-10 |
| DK466878A (da) | 1979-04-21 |
| IL55819A (en) | 1981-12-31 |
| CH635054A5 (fr) | 1983-03-15 |
| GB2006211A (en) | 1979-05-02 |
| AT358559B (de) | 1980-09-25 |
| ES474342A1 (es) | 1979-04-16 |
| FR2406622B1 (it) | 1980-09-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: PHILAGRO S.A. Effective date: 19941031 |