IT1015046B - Processo per la orto alchilazione di composti fenolici - Google Patents

Processo per la orto alchilazione di composti fenolici

Info

Publication number
IT1015046B
IT1015046B IT23950/74A IT2395074A IT1015046B IT 1015046 B IT1015046 B IT 1015046B IT 23950/74 A IT23950/74 A IT 23950/74A IT 2395074 A IT2395074 A IT 2395074A IT 1015046 B IT1015046 B IT 1015046B
Authority
IT
Italy
Prior art keywords
alkylation
garden
phenolic compounds
phenolic
compounds
Prior art date
Application number
IT23950/74A
Other languages
English (en)
Original Assignee
Mitsubishi Gas Chemical Co
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
Priority claimed from JP48066025A external-priority patent/JPS5212689B2/ja
Priority claimed from JP48091894A external-priority patent/JPS5212690B2/ja
Application filed by Mitsubishi Gas Chemical Co filed Critical Mitsubishi Gas Chemical Co
Application granted granted Critical
Publication of IT1015046B publication Critical patent/IT1015046B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85—Chromium, molybdenum or tungsten
    • B01J23/86—Chromium
    • B01J23/862—Iron and chromium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74—Iron group metals
    • B01J23/745—Iron
    • 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)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
IT23950/74A 1973-06-12 1974-06-12 Processo per la orto alchilazione di composti fenolici IT1015046B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP48066025A JPS5212689B2 (it) 1973-06-12 1973-06-12
JP48091894A JPS5212690B2 (it) 1973-08-16 1973-08-16

Publications (1)

Publication Number Publication Date
IT1015046B true IT1015046B (it) 1977-05-10

Family

ID=26407194

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23950/74A IT1015046B (it) 1973-06-12 1974-06-12 Processo per la orto alchilazione di composti fenolici

Country Status (5)

Country Link
US (1) US3953529A (it)
FR (1) FR2233304B1 (it)
GB (1) GB1428057A (it)
IT (1) IT1015046B (it)
NL (1) NL159948C (it)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5212692B2 (it) * 1974-10-22 1977-04-08
US4208537A (en) * 1977-10-27 1980-06-17 Mitsui Toatsu Chemicals Incorporated Process for the selective ortho-alkylation of phenolic compounds
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
US4329517A (en) * 1979-05-16 1982-05-11 Mitsui Petrochemical Industries Ltd. Process for production of mono- or di-ortho-methyl-substituted phenols by catalytic methylation and catalyst therefor
US4290924A (en) * 1979-06-04 1981-09-22 Conoco, Inc. Catalyst composition useful for preparing 2,6-xylenol
US4227024A (en) * 1979-06-04 1980-10-07 Conoco, Inc. Preparation of 2,6-xylenol and catalyst composition useful therefor
US4406824A (en) * 1980-03-29 1983-09-27 Union Rheinische Braunkohlen Kraftstoff Ag Catalysts for the o-substitution of phenols
NL187157C (nl) * 1980-03-29 1991-06-17 Union Rheinische Braunkohlen Werkwijze ter bereiding van 2,6-digesubstitueerde fenolen.
US4386226A (en) * 1980-10-14 1983-05-31 Croda Synthetic Chemicals Limited Process for the ortho-alkylation of phenols
US4429171A (en) 1980-11-28 1984-01-31 Asahi-Dow Limited Method for manufacture of orthomethylated phenol compounds
DE3149022A1 (de) * 1981-12-11 1983-06-16 Chemische Werke Hüls AG, 4370 Marl Verfahren zur ortho-methylierung von phenolverbindungen
DE3228713A1 (de) * 1982-07-31 1984-02-02 Bayer Ag, 5090 Leverkusen Verfahren zur o-alkylierung von phenolen, katalysator hierzu und verfahren zur herstellung dieses katalysators
US4517389A (en) * 1982-08-10 1985-05-14 Asahi Kasei Kogyo Kabushiki Kaisha Process for methylating the ortho position of a phenol
DE3661412D1 (en) * 1985-06-07 1989-01-19 Mitsui Petrochemical Ind Process for production of alkenyl substituted aromatic compound
DE3524331A1 (de) * 1985-07-08 1987-01-08 Basf Ag Verfahren zur gasphasenalkylierung von phenolen und hierzu geeigneter katalysator
US4847429A (en) * 1987-08-03 1989-07-11 Eastman Kodak Company Synthesis of phenylhydroquinones
JP2805878B2 (ja) * 1989-08-22 1998-09-30 三菱瓦斯化学株式会社 オルトアルキル化方法
KR960003790B1 (ko) * 1992-12-31 1996-03-22 한국과학기술원 신규한 변형 마그네슘 옥사이드 촉매 조성물 및 그의 제조방법
US6897175B2 (en) * 2001-10-09 2005-05-24 General Electric Catalyst and method for the alkylation of hydroxyaromatic compounds
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
CN101671234B (zh) * 2009-06-19 2013-01-23 广东工业大学 一种间甲酚邻位取代反应的催化方法
WO2020046494A1 (en) * 2018-08-28 2020-03-05 Sabic Global Technologies B.V. Preparation of a 2,6-di(c1-7 alkyl) phenol composition and a poly(phenylene ether)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA749422A (en) * 1966-12-27 Consolidation Coal Company Ortho-alkylation 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
US3716589A (en) * 1968-11-27 1973-02-13 Agency Ind Science Techn Process for the synthesis of 2,6-dimethylphenols

Also Published As

Publication number Publication date
NL159948B (nl) 1979-04-17
DE2428056B2 (de) 1977-02-24
NL7407856A (it) 1974-12-16
NL159948C (nl) 1979-09-17
GB1428057A (en) 1976-03-17
DE2428056A1 (de) 1975-01-02
FR2233304A1 (it) 1975-01-10
US3953529A (en) 1976-04-27
FR2233304B1 (it) 1976-12-24

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