IL23598A - Process for methylation of phenols - Google Patents

Process for methylation of phenols

Info

Publication number
IL23598A
IL23598A IL23598A IL2359865A IL23598A IL 23598 A IL23598 A IL 23598A IL 23598 A IL23598 A IL 23598A IL 2359865 A IL2359865 A IL 2359865A IL 23598 A IL23598 A IL 23598A
Authority
IL
Israel
Prior art keywords
methylation
phenols
Prior art date
Application number
IL23598A
Other languages
English (en)
Original Assignee
Gen Electric
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gen Electric filed Critical Gen Electric
Publication of IL23598A publication Critical patent/IL23598A/xx

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
    • C07C37/16—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)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
IL23598A 1964-05-29 1965-05-24 Process for methylation of phenols IL23598A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US371189A US3446856A (en) 1964-05-29 1964-05-29 Methylation of phenols

Publications (1)

Publication Number Publication Date
IL23598A true IL23598A (en) 1969-01-29

Family

ID=23462876

Family Applications (1)

Application Number Title Priority Date Filing Date
IL23598A IL23598A (en) 1964-05-29 1965-05-24 Process for methylation of phenols

Country Status (11)

Country Link
US (1) US3446856A (da)
BE (1) BE664648A (da)
CH (1) CH457494A (da)
DE (1) DE1263010B (da)
DK (1) DK122875B (da)
ES (1) ES313388A1 (da)
FR (1) FR1441830A (da)
GB (1) GB1034500A (da)
IL (1) IL23598A (da)
LU (1) LU48708A1 (da)
NL (1) NL145836B (da)

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3674880A (en) * 1968-01-03 1972-07-04 Charles H Fisher Methods for preparing valuable keto and hydroxy cyclic compounds
DE1914971C3 (de) 1968-04-01 1978-11-23 General Electric Co., Schenectady, N.Y. (V.St.A.) Verfahren zur Methylierung von Phenolen
US3873628A (en) * 1968-04-01 1975-03-25 Gen Electric Preparation of ortho-alkylated phenols
US3857899A (en) * 1968-10-05 1974-12-31 Sumitomo Chemical Co Process for selective methylation of phenols
GB1262177A (en) * 1968-10-28 1972-02-02 Arakawa Rinsan Kagaku Kogyo Improvements in and relating to the production of 2,6-xylenol
BE754105A (fr) * 1969-08-01 1970-12-31 Gen Electric Preparation de phenols alcoyles en ortho
US3974229A (en) * 1969-08-01 1976-08-10 General Electric Company Preparation of ortho-alkylated phenols
US3972828A (en) * 1969-08-01 1976-08-03 General Electric Company Catalyst comprising magnesium oxide and a cellulosic polymeric binder
US4041085A (en) * 1969-08-22 1977-08-09 General Electric Company Ortho-alkylation of phenols
CA941386A (en) * 1970-06-02 1974-02-05 Arakawa Rinsan Kagaku Kogyo Kabushiki Kaisha Ortho-methylation of a phenol
GB1332080A (en) 1970-07-22 1973-10-03 Gen Electric Alkylation process
US3764630A (en) * 1970-07-22 1973-10-09 Gen Electric Alkylation process
US3968172A (en) * 1973-10-02 1976-07-06 Teijin Limited Process for the preparation of 2,4,6-trimethylphenol
JPS5212692B2 (da) * 1974-10-22 1977-04-08
US3962126A (en) * 1974-11-25 1976-06-08 General Electric Company Reactivation of a magnesium oxide catalyst
US4201880A (en) * 1976-01-22 1980-05-06 General Electric Company Preparation of ortho-alkylated phenols
US4071566A (en) * 1976-01-22 1978-01-31 Continental Oil Company Preparation of cresols and xylenols from tetramethylphenols and pentamethylphenol
US4060560A (en) * 1976-03-26 1977-11-29 Continental Oil Company Disproportionation of xylenols with phenol to form cresols
US4165439A (en) * 1976-04-13 1979-08-21 General Electric Company Process for the selective ortho-alkylation of a phenol in the presence of a copper-chromium catalyst
US4225732A (en) * 1977-12-22 1980-09-30 General Electric Company Selective ortho-alkylation of phenolic compounds with an alkane in the presence of a supported nickel oxide catalyst
US4452915A (en) * 1977-12-22 1984-06-05 General Electric Company Nickel oxide catalyst supported on magnesium for the selective ortho-alkylation of phenolic compounds with an alkane
JPS599530B2 (ja) * 1978-12-01 1984-03-03 三井東圧化学株式会社 オルトアルキル化フェノ−ル類の製造法
US4269735A (en) * 1980-01-21 1981-05-26 Conoco, Inc. Magnesium oxide catalyst
US4322566A (en) * 1980-01-21 1982-03-30 Conoco Inc. Magnesium oxide catalyst
US4258220A (en) * 1980-01-28 1981-03-24 Conoco, Inc. Purification of 2,6-xylenol streams
US4283574A (en) * 1980-01-28 1981-08-11 Conoco, Inc. Process for the synthesis of 2,6-xylenol and 2,3,6-trimethylphenol
US4458031A (en) * 1980-06-24 1984-07-03 General Electric Company Method of preparing a magnesium-manganese catalyst precursor and catalyst
US4429171A (en) 1980-11-28 1984-01-31 Asahi-Dow Limited Method for manufacture of orthomethylated phenol compounds
US4359408A (en) * 1981-06-04 1982-11-16 Conoco Inc. Activated magnesium oxide catalysts
EP0073471B1 (en) * 1981-08-31 1985-05-29 Sumitomo Chemical Company, Limited A process for producing o-methylated phenols
US4900708A (en) * 1981-09-18 1990-02-13 General Electric Company Ortho-alkylation catalysts based on magnesium and prepared by calcining in presence of feed mixture of reactants
US4418224A (en) * 1981-09-18 1983-11-29 General Electric Company Preparation of ortho-alkylated phenols using magnesium compound catalysts
US4418005A (en) * 1982-06-28 1983-11-29 Conoco Inc. Pressure activation of magnesium oxide catalysts
US4517389A (en) * 1982-08-10 1985-05-14 Asahi Kasei Kogyo Kabushiki Kaisha Process for methylating the ortho position of a phenol
JPS59501784A (ja) * 1982-09-15 1984-10-25 ゼネラル　エレクトリツク　カンパニイ マグネシウム化合物触媒を使用するオルソアルキル化フエノ−ルの製造
US4450306A (en) * 1982-11-08 1984-05-22 Air Products And Chemicals, Inc. Selective catalytic alkylation of phenols to alkyl aryl ethers
US4476329A (en) * 1983-04-04 1984-10-09 General Electric Company Selective alkylation of phenol to o-cresol
US4554266A (en) * 1983-06-03 1985-11-19 General Electric Company Copper-magnesium catalyst and method for alkylation of hydroxyaromatic compounds therewith
US4554267A (en) * 1983-06-03 1985-11-19 General Electric Company Catalyst and method for ortho-alkylation of hydroxyaromatic compounds
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
US4851591A (en) * 1983-11-28 1989-07-25 General Electric Company Magnesium-containing catalyst activated under vacuum, in nitrogen, or in air, and use in an ortho-alkylation process
US4677089A (en) * 1983-12-20 1987-06-30 General Electric Company Catalyst prepared from manganese carbonate and a magnesium compound
US4590307A (en) * 1983-12-20 1986-05-20 General Electric Company Catalyst precursor prepared from manganese carbonate, and use of a calcined derivative in an ortho-alkylation process
US4547480A (en) * 1983-12-20 1985-10-15 General Electric Company Catalyst precursor prepared from manganese carbonate and a magnesium compound
US4954475A (en) * 1984-08-13 1990-09-04 General Electric Company Zinc-containing ortho-alkylation catalyst precursor and catalyst, and process of use in alkylation of phenols
DE3524331A1 (de) * 1985-07-08 1987-01-08 Basf Ag Verfahren zur gasphasenalkylierung von phenolen und hierzu geeigneter katalysator
US5097079A (en) * 1987-11-30 1992-03-17 General Electric Company Zinc-containing ortho-alkylation catalyst precursor and catalyst, and process of use in alkylation of phenols
US4933509A (en) * 1989-04-28 1990-06-12 General Electric Company Method of ortho-alkylating phenol
KR960003790B1 (ko) * 1992-12-31 1996-03-22 한국과학기술원 신규한 변형 마그네슘 옥사이드 촉매 조성물 및 그의 제조방법
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
AU2003260344A1 (en) * 2002-08-02 2004-02-25 Vanetta S.P.A. Redox process particularly for the production of menadione and use of polyoxometalates
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
DE102011005228A1 (de) 2011-03-08 2012-09-13 Elantas Gmbh Verfahren zur Herstellung von alkylierten Hydroxyaromaten in Mikroreaktoren
CN103896740B (zh) * 2012-12-25 2016-08-10 中国科学院大连化学物理研究所 一种生产甲酚的方法
WO2015168409A1 (en) 2014-05-01 2015-11-05 Sabic Global Technologies B.V. Amphiphilic block copolymer; composition, membrane, and separation module thereof; and methods of making same
US10080996B2 (en) 2014-05-01 2018-09-25 Sabic Global Technologies B.V. Skinned, asymmetric poly(phenylene ether) co-polymer membrane; gas separation unit, and preparation method thereof
KR20160144504A (ko) 2014-05-01 2016-12-16 사빅 글로벌 테크놀러지스 비.브이. 폴리(페닐렌 에테르) 및 양친매성 중합체를 포함하는 지지대를 가진 복합막；그것의 제조 방법 및 그것의 분리 모듈
US10252220B2 (en) 2014-05-01 2019-04-09 Sabic Global Technologies B.V. Porous asymmetric polyphenylene ether membranes and associated separation modules and methods
WO2016178835A1 (en) 2015-05-01 2016-11-10 Sabic Global Technologies B.V. Method for making porous asymmetric membranes and associated membranes and separation modules
US9815031B2 (en) 2016-03-29 2017-11-14 Sabic Global Technologies B.V. Porous membranes and associated separation modules and methods
US10307717B2 (en) 2016-03-29 2019-06-04 Sabic Global Technologies B.V. Porous membranes and associated separation modules and methods
EP3356318A1 (en) 2016-09-28 2018-08-08 SABIC Global Technologies B.V. Method of producing 2,4,6-tri-substituted resorcinol

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2401608A (en) * 1940-08-17 1946-06-04 Calico Printers Ass Ltd Process for the nuclear methylation of phenols
US2448942A (en) * 1944-05-09 1948-09-07 Shell Dev Alkylation of phenolic compounds
GB717588A (en) * 1951-10-01 1954-10-27 Ici Ltd Improvements in and relating to the production of 2,6-xylenol
US2678951A (en) * 1951-12-26 1954-05-18 Shell Dev Alkylation of phenols

Also Published As

Publication number Publication date
NL145836B (nl) 1975-05-15
FR1441830A (fr) 1966-06-10
DK122875B (da) 1972-04-24
US3446856A (en) 1969-05-27
CH457494A (de) 1968-06-15
DE1263010B (de) 1968-03-14
LU48708A1 (da) 1965-07-28
NL6506830A (da) 1965-11-30
ES313388A1 (es) 1965-07-16
BE664648A (da) 1965-11-29
GB1034500A (en) 1966-06-29

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