NO841531L - Fremgangsmaate for fremstilling av 2,3-bihydro-2,2-dimetyl-7,7-benzofuranol. - Google Patents
Fremgangsmaate for fremstilling av 2,3-bihydro-2,2-dimetyl-7,7-benzofuranol.Info
- Publication number
- NO841531L NO841531L NO841531A NO841531A NO841531L NO 841531 L NO841531 L NO 841531L NO 841531 A NO841531 A NO 841531A NO 841531 A NO841531 A NO 841531A NO 841531 L NO841531 L NO 841531L
- Authority
- NO
- Norway
- Prior art keywords
- tert
- reaction
- dimethyl
- catechol
- butyl
- 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
- C07C37/11—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms
- C07C37/20—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms using aldehydes or ketones
-
- 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
- C07C37/50—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions decreasing the number of carbon atoms
- C07C37/52—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions decreasing the number of carbon atoms by splitting polyaromatic compounds, e.g. polyphenolalkanes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
- C07D307/86—Benzo [b] furans; Hydrogenated benzo [b] furans with an oxygen atom directly attached in position 7
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT20738/83A IT1161224B (it) | 1983-04-22 | 1983-04-22 | Procedimento per produrre 2,3-diidro-2,2-dimetil-7-benzofuranolo |
| IT20739/83A IT1161225B (it) | 1983-04-22 | 1983-04-22 | Procedimento per la produzione di 2,3-diidro-2,2-dimetil-7-benzofuranolo |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO841531L true NO841531L (no) | 1984-10-23 |
Family
ID=26327641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO841531A NO841531L (no) | 1983-04-22 | 1984-04-17 | Fremgangsmaate for fremstilling av 2,3-bihydro-2,2-dimetyl-7,7-benzofuranol. |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4562266A (da) |
| EP (1) | EP0123357A3 (da) |
| AU (1) | AU2705984A (da) |
| CA (1) | CA1212682A (da) |
| DK (1) | DK200784A (da) |
| ES (1) | ES532167A0 (da) |
| IL (1) | IL71591A (da) |
| NO (1) | NO841531L (da) |
| SU (2) | SU1355129A3 (da) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100398945B1 (ko) * | 1995-11-03 | 2004-07-23 | 삼성종합화학주식회사 | 카테콜과2,3-디히드로-2,2-디메틸-7-벤조푸란올을함유하는혼합물로부터이들성분을분리하는방법 |
| CN116410162B (zh) * | 2023-04-26 | 2025-01-28 | 江苏三吉利化工股份有限公司 | 一种副产物作溶剂的呋喃酚生产工艺 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4118400A (en) * | 1977-09-22 | 1978-10-03 | Fmc Corporation | Process for preparing 2,3-dihydro-7-benzofuranols and benzodioxole intermediate therefor |
| FR2461708A1 (fr) * | 1979-07-18 | 1981-02-06 | Rhone Poulenc Agrochimie | Preparation de dihydrodimethylhydroxy-7 benzofurane |
| US4540800A (en) * | 1982-04-22 | 1985-09-10 | Ube Industries, Ltd. | Preparation of 2,3-dihydro-2-methyl-2,3-dialkyl-7-oxybenzofurans |
| IL71560A0 (en) * | 1983-04-22 | 1984-07-31 | Enichimica Secondaria | Process for preparing substituted 2,3-dihydrobenzofurans and means adapted therefor |
-
1984
- 1984-04-16 EP EP84200540A patent/EP0123357A3/en not_active Ceased
- 1984-04-17 NO NO841531A patent/NO841531L/no unknown
- 1984-04-18 DK DK200784A patent/DK200784A/da not_active Application Discontinuation
- 1984-04-18 AU AU27059/84A patent/AU2705984A/en not_active Abandoned
- 1984-04-18 ES ES532167A patent/ES532167A0/es active Granted
- 1984-04-19 IL IL71591A patent/IL71591A/xx not_active IP Right Cessation
- 1984-04-19 CA CA000452373A patent/CA1212682A/en not_active Expired
- 1984-04-19 US US06/602,214 patent/US4562266A/en not_active Expired - Fee Related
- 1984-04-20 SU SU843732808A patent/SU1355129A3/ru active
-
1985
- 1985-02-11 SU SU853853839A patent/SU1376945A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| DK200784D0 (da) | 1984-04-18 |
| AU2705984A (en) | 1984-10-25 |
| SU1355129A3 (ru) | 1987-11-23 |
| EP0123357A2 (en) | 1984-10-31 |
| US4562266A (en) | 1985-12-31 |
| ES8602736A1 (es) | 1985-12-01 |
| CA1212682A (en) | 1986-10-14 |
| SU1376945A3 (ru) | 1988-02-23 |
| ES532167A0 (es) | 1985-12-01 |
| IL71591A0 (en) | 1984-07-31 |
| EP0123357A3 (en) | 1985-07-31 |
| IL71591A (en) | 1987-10-30 |
| DK200784A (da) | 1984-10-23 |
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