IT943869B - Metilazione selettiva di fenoli - Google Patents

Metilazione selettiva di fenoli

Info

Publication number
IT943869B
IT943869B IT32287/71A IT3228771A IT943869B IT 943869 B IT943869 B IT 943869B IT 32287/71 A IT32287/71 A IT 32287/71A IT 3228771 A IT3228771 A IT 3228771A IT 943869 B IT943869 B IT 943869B
Authority
IT
Italy
Prior art keywords
phenols
selective methylation
methylation
selective
Prior art date
Application number
IT32287/71A
Other languages
English (en)
Italian (it)
Original Assignee
Asahi Chemical Ind
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 Asahi Chemical Ind filed Critical Asahi Chemical Ind
Application granted granted Critical
Publication of IT943869B publication Critical patent/IT943869B/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
    • B01J23/847—Vanadium, niobium or tantalum or polonium
    • B01J23/8472—Vanadium
    • 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)
  • Catalysts (AREA)
IT32287/71A 1970-12-11 1971-12-11 Metilazione selettiva di fenoli IT943869B (it)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP10938570 1970-12-11
JP11249170 1970-12-17
JP11249070 1970-12-17

Publications (1)

Publication Number Publication Date
IT943869B true IT943869B (it) 1973-04-10

Family

ID=27311459

Family Applications (1)

Application Number Title Priority Date Filing Date
IT32287/71A IT943869B (it) 1970-12-11 1971-12-11 Metilazione selettiva di fenoli

Country Status (5)

Country Link
US (1) US3855318A (enExample)
DE (1) DE2161252C3 (enExample)
FR (1) FR2117674A5 (enExample)
GB (2) GB1378179A (enExample)
IT (1) IT943869B (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3971832A (en) * 1970-07-17 1976-07-27 Mitsubishi Petrochemical Company Limited Process for producing ortho-methylphenols
DE2756461C2 (de) * 1977-12-17 1984-10-31 Rütgerswerke AG, 6000 Frankfurt Verfahren zur Herstellung von Mono-o-alkylphenolen
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
JPS5663932A (en) * 1979-10-29 1981-05-30 Mitsui Toatsu Chem Inc Preparation of selectively ortho-alkylated phenol compound
DE3103665C2 (de) * 1981-02-04 1983-10-13 Union Rheinische Braunkohlen Kraftstoff AG, 5000 Köln Verfahren zur o-Methylierung von Phenolen und Katalysator zur Durchführung des Verfahrens
US4517389A (en) * 1982-08-10 1985-05-14 Asahi Kasei Kogyo Kabushiki Kaisha Process for methylating the ortho position of a phenol
KR960003790B1 (ko) * 1992-12-31 1996-03-22 한국과학기술원 신규한 변형 마그네슘 옥사이드 촉매 조성물 및 그의 제조방법
JP4294209B2 (ja) * 2000-09-18 2009-07-08 旭化成ケミカルズ株式会社 オルト位アルキル化ヒドロキシ芳香族化合物の製造方法
AU2003260344A1 (en) * 2002-08-02 2004-02-25 Vanetta S.P.A. Redox process particularly for the production of menadione and use of polyoxometalates
DE102011005228A1 (de) 2011-03-08 2012-09-13 Elantas Gmbh Verfahren zur Herstellung von alkylierten Hydroxyaromaten in Mikroreaktoren
CN118949985A (zh) * 2024-07-26 2024-11-15 天津大学 一种铁氧化物催化剂、酚和甲醇甲基化制备2,6-二甲酚联产邻甲酚催化剂的方法和应用

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2091483A (en) * 1934-11-02 1937-08-31 Sharples Solvents Corp Manufacture of secondary and tertiary alkyl phenols
US2435087A (en) * 1943-03-19 1948-01-27 Shell Dev Process for the separation of mixtures of alkyl phenols through selective alkylation
US2910515A (en) * 1958-10-24 1959-10-27 Universal Oil Prod Co Alkylation of aromatic compounds
NL264320A (enExample) * 1960-05-04
US3479410A (en) * 1967-05-18 1969-11-18 Gen Electric Selective vapor phase methylation of phenols
US3642912A (en) * 1967-12-11 1972-02-15 Coal Tar Research Ass The Alkylation of phenols

Also Published As

Publication number Publication date
US3855318A (en) 1974-12-17
DE2161252B2 (de) 1974-02-21
DE2161252C3 (de) 1974-10-03
DE2161252A1 (de) 1972-06-29
FR2117674A5 (enExample) 1972-07-21
GB1378179A (en) 1974-12-27
GB1378180A (en) 1974-12-27

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