ES2042113T3 - Procedimiento para orto-alquilizar fenol. - Google Patents
Procedimiento para orto-alquilizar fenol.Info
- Publication number
- ES2042113T3 ES2042113T3 ES199090105743T ES90105743T ES2042113T3 ES 2042113 T3 ES2042113 T3 ES 2042113T3 ES 199090105743 T ES199090105743 T ES 199090105743T ES 90105743 T ES90105743 T ES 90105743T ES 2042113 T3 ES2042113 T3 ES 2042113T3
- Authority
- ES
- Spain
- Prior art keywords
- ortho
- phenol
- rent
- procedure
- catalyst
- 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 - Lifetime
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
-
- 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
- C07C37/16—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 by condensation involving hydroxy groups of phenols or alcohols or the ether or mineral ester group derived therefrom
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vascular Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Abstract
METODO PARA LA ORTO-ALQUILACION DE FENOLES MEDIANTE EL PASO DE UNA COMBINACION DE FENOL Y METANOL A TRAVES DE UN CATALIZADOR DE OXIDO DE MAGNESIO CALENTADO. DICHO CATALIZADOR SE ELABORA MEDIANTE LA CALCINACION DE CARBONATO DE MAGNESIO Y EL POSTERIOR CALENTAMIENTO DEL PRODUCTO CALCINADO CON PRESENCIA DE VAPOR.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/344,641 US4933509A (en) | 1989-04-28 | 1989-04-28 | Method of ortho-alkylating phenol |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2042113T3 true ES2042113T3 (es) | 1993-12-01 |
Family
ID=23351355
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES199090105743T Expired - Lifetime ES2042113T3 (es) | 1989-04-28 | 1990-04-12 | Procedimiento para orto-alquilizar fenol. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4933509A (es) |
EP (1) | EP0394682B1 (es) |
JP (1) | JPH07574B2 (es) |
KR (1) | KR0176421B1 (es) |
DE (1) | DE69002028T2 (es) |
ES (1) | ES2042113T3 (es) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5488173A (en) * | 1994-08-03 | 1996-01-30 | Wang; Fey-Long | Process for selective ortho-methylation of cyclohexanones in the vapor phase |
US6951966B1 (en) * | 1998-09-28 | 2005-10-04 | Honshu Chemical Industry Co., Ltd. | Orthoalkylation catalyst for phenol and process for producing orthoalkylated phenol with use thereof |
US6261987B1 (en) | 2000-02-29 | 2001-07-17 | General Electric Company | Method for preparing an alkylation catalyst, and for ortho-alkylating hydroxyaromatic compounds; and related compositions |
US6897175B2 (en) * | 2001-10-09 | 2005-05-24 | General Electric | Catalyst and method for the alkylation of hydroxyaromatic compounds |
US20040211657A1 (en) * | 2003-04-11 | 2004-10-28 | Ingelbrecht Hugo Gerard Eduard | Method of purifying 2,6-xylenol and method of producing poly(arylene ether) therefrom |
US7081432B2 (en) * | 2003-07-10 | 2006-07-25 | General Electric Company | Alkylation catalyst and method for making alkylated phenols |
US7087705B2 (en) * | 2004-03-31 | 2006-08-08 | General Electric Company | Process for the monoalkylation of dihydroxy aromatic compounds |
CN104725195A (zh) * | 2015-04-13 | 2015-06-24 | 江苏三吉利化工股份有限公司 | 一种在杂多酸催化下制备邻甲酚和2,6-二甲酚的方法 |
CN104725196B (zh) * | 2015-04-13 | 2016-08-17 | 江苏三吉利化工股份有限公司 | 一种邻甲酚联产2,6-二甲酚的合成方法 |
KR20190039158A (ko) * | 2016-07-29 | 2019-04-10 | 사빅 글로벌 테크놀러지스 비.브이. | 페놀 알킬화 촉매 전구체 및 촉매, 촉매의 제조 방법, 촉매의 재생 방법, 및 페놀의 알킬화 방법 |
US20210261714A1 (en) * | 2018-08-28 | 2021-08-26 | Madhav Ghanta | Preparation of a 2,6-di(c1-7 alkyl) phenol composition and a poly(phenylene ether) |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3446856A (en) * | 1964-05-29 | 1969-05-27 | Gen Electric | Methylation of phenols |
US4041085A (en) * | 1969-08-22 | 1977-08-09 | General Electric Company | Ortho-alkylation of phenols |
US3972836A (en) * | 1971-02-11 | 1976-08-03 | General Electric Company | Preparation of ortho-alkylated phenols |
US3962126A (en) * | 1974-11-25 | 1976-06-08 | General Electric Company | Reactivation of a magnesium oxide catalyst |
JPS5817265B2 (ja) * | 1976-11-26 | 1983-04-06 | 株式会社東芝 | 熱輻射素材の製造方法 |
US4100207A (en) * | 1977-02-24 | 1978-07-11 | Continental Oil Company | Preparation of methyl-substituted phenols |
DE2925220A1 (de) * | 1979-06-22 | 1981-01-15 | Bosch Gmbh Robert | Hammerbuerstenhalter |
JPS5663932A (en) * | 1979-10-29 | 1981-05-30 | Mitsui Toatsu Chem Inc | Preparation of selectively ortho-alkylated phenol compound |
US4528407A (en) * | 1980-06-27 | 1985-07-09 | General Electric Company | Catalytic process for preparation of ortho-alkylated phenols |
DE3263906D1 (en) * | 1981-08-31 | 1985-07-04 | Sumitomo Chemical Co | A process for producing o-methylated phenols |
US4503272A (en) * | 1983-05-20 | 1985-03-05 | General Electric Company | Process for making ortho-alkylated phenols |
US4554266A (en) * | 1983-06-03 | 1985-11-19 | General Electric Company | Copper-magnesium catalyst and method for alkylation of hydroxyaromatic compounds therewith |
EP0150311A1 (en) * | 1983-11-28 | 1985-08-07 | General Electric Company | Magnesium-containing catalyst activated under vacuum, in nitrogen, or in air, and use in ortho-alkylation process |
US4547480A (en) * | 1983-12-20 | 1985-10-15 | General Electric Company | Catalyst precursor prepared from manganese carbonate and a magnesium compound |
-
1989
- 1989-04-28 US US07/344,641 patent/US4933509A/en not_active Expired - Lifetime
-
1990
- 1990-04-06 KR KR1019900004721A patent/KR0176421B1/ko not_active IP Right Cessation
- 1990-04-12 ES ES199090105743T patent/ES2042113T3/es not_active Expired - Lifetime
- 1990-04-12 DE DE90105743T patent/DE69002028T2/de not_active Expired - Fee Related
- 1990-04-12 EP EP90105743A patent/EP0394682B1/en not_active Expired - Lifetime
- 1990-04-25 JP JP2107721A patent/JPH07574B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR900015700A (ko) | 1990-11-10 |
JPH07574B2 (ja) | 1995-01-11 |
EP0394682B1 (en) | 1993-06-23 |
DE69002028T2 (de) | 1993-11-25 |
DE69002028D1 (de) | 1993-07-29 |
KR0176421B1 (ko) | 1999-04-01 |
EP0394682A1 (en) | 1990-10-31 |
US4933509A (en) | 1990-06-12 |
JPH0347142A (ja) | 1991-02-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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