ES8602736A1 - Procedimiento para la obtencion de 2, 3-bihidro-2, 2-dimetil-7-benzofuranol - Google Patents
Procedimiento para la obtencion de 2, 3-bihidro-2, 2-dimetil-7-benzofuranolInfo
- Publication number
- ES8602736A1 ES8602736A1 ES532167A ES532167A ES8602736A1 ES 8602736 A1 ES8602736 A1 ES 8602736A1 ES 532167 A ES532167 A ES 532167A ES 532167 A ES532167 A ES 532167A ES 8602736 A1 ES8602736 A1 ES 8602736A1
- Authority
- ES
- Spain
- Prior art keywords
- benzofuranol
- dimethyl
- preparation
- bihydro
- catechol
- 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
- 238000000034 method Methods 0.000 title abstract 2
- 238000002360 preparation method Methods 0.000 title abstract 2
- AMIMRNSIRUDHCM-UHFFFAOYSA-N Isopropylaldehyde Chemical compound CC(C)C=O AMIMRNSIRUDHCM-UHFFFAOYSA-N 0.000 abstract 2
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 2
- WJGPNUBJBMCRQH-UHFFFAOYSA-N 2,2-dimethyl-2,3-dihydro-1-benzofuran-7-ol Chemical compound C1=CC(O)=C2OC(C)(C)CC2=C1 WJGPNUBJBMCRQH-UHFFFAOYSA-N 0.000 abstract 1
- XESZUVZBAMCAEJ-UHFFFAOYSA-N 4-tert-butylcatechol Chemical compound CC(C)(C)C1=CC=C(O)C(O)=C1 XESZUVZBAMCAEJ-UHFFFAOYSA-N 0.000 abstract 1
- 230000002378 acidificating effect Effects 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000009835 boiling Methods 0.000 abstract 1
- 150000007942 carboxylates Chemical class 0.000 abstract 1
- 230000003197 catalytic effect Effects 0.000 abstract 1
- 150000004679 hydroxides Chemical class 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 230000000737 periodic effect Effects 0.000 abstract 1
- 239000000575 pesticide Substances 0.000 abstract 1
- 230000008707 rearrangement Effects 0.000 abstract 1
- 238000003786 synthesis reaction Methods 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
- C07C37/11—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)
Abstract
PROCEDIMIENTO PARA LA OBTENCION DE 2,3-BIHIDRO-2,2-DIMETIL-7-BENZOFURANOL. CONSISTE EN: 1) REACCIONAR UN COMPUESTO (I) CON ISOBUTIRALDEHIDO EN PRESENCIA DE UN CATALIZADOR SELECCIONADO ENTRE OXIDOS, HIDROXIDOS, ALCOHOLATOS Y CARBOXILATOS DE METALES DE LOS GRUPOS IA, IIB, IIA Y VIIB DEL SISTEMA PERIODICO, EN UNA RELACION MOLAR (I): ISOBUTIRALDEHIDO DE AL MENOS 0,3:1 A TEMPERATURA ENTRE 80-200C. 2) SOMETER A TRASPOSICION LA MEZCLA DE REACCION OBTENIDA EN PRESENCIA DE SO4H2, A TEMPERATURA ENTRE 180 Y 250C, OBTENIENDOSE EN FORMA DE VAPOR 2,3-BIHIDRO-2,2-DIMETIL-5-TERC. BUTIL-7-BENZOFURANOL. 3) DESALQUILAR ESTE ULTIMO A 200C EN PRESENCIA DE UN CATALIZADOR COMO ALUMINAS ACIDICAS O ACIDO FOSFORICO, OBTENIENDOSE 2,3-BIHIDRO-2,2-DIMETIL-7-BENZOFURANOL. DE APLICACION COMO INTERMEDIARIO EN LA OBTENCION DE PESTICIDAS.
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 (2)
| Publication Number | Publication Date |
|---|---|
| ES8602736A1 true ES8602736A1 (es) | 1985-12-01 |
| ES532167A0 ES532167A0 (es) | 1985-12-01 |
Family
ID=26327641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES532167A Granted ES532167A0 (es) | 1983-04-22 | 1984-04-18 | Procedimiento para la obtencion de 2, 3-bihidro-2, 2-dimetil-7-benzofuranol |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4562266A (es) |
| EP (1) | EP0123357A3 (es) |
| AU (1) | AU2705984A (es) |
| CA (1) | CA1212682A (es) |
| DK (1) | DK200784A (es) |
| ES (1) | ES532167A0 (es) |
| IL (1) | IL71591A (es) |
| NO (1) | NO841531L (es) |
| SU (2) | SU1355129A3 (es) |
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 |
| EP0127208A1 (en) * | 1983-04-22 | 1984-12-05 | ENICHIMICA SECONDARIA S.p.A. | Process for preparing substituted 2,3-dihydrobenzofuran |
-
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 ES ES532167A patent/ES532167A0/es active Granted
- 1984-04-18 AU AU27059/84A patent/AU2705984A/en not_active Abandoned
- 1984-04-19 US US06/602,214 patent/US4562266A/en not_active Expired - Fee Related
- 1984-04-19 IL IL71591A patent/IL71591A/xx not_active IP Right Cessation
- 1984-04-19 CA CA000452373A patent/CA1212682A/en not_active Expired
- 1984-04-20 SU SU843732808A patent/SU1355129A3/ru active
-
1985
- 1985-02-11 SU SU853853839A patent/SU1376945A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| IL71591A (en) | 1987-10-30 |
| AU2705984A (en) | 1984-10-25 |
| DK200784D0 (da) | 1984-04-18 |
| DK200784A (da) | 1984-10-23 |
| CA1212682A (en) | 1986-10-14 |
| US4562266A (en) | 1985-12-31 |
| EP0123357A3 (en) | 1985-07-31 |
| IL71591A0 (en) | 1984-07-31 |
| SU1355129A3 (ru) | 1987-11-23 |
| ES532167A0 (es) | 1985-12-01 |
| NO841531L (no) | 1984-10-23 |
| SU1376945A3 (ru) | 1988-02-23 |
| EP0123357A2 (en) | 1984-10-31 |
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