IT1170850B - Procedimento per la orot-sostituzione di fenoli - Google Patents

Procedimento per la orot-sostituzione di fenoli

Info

Publication number
IT1170850B
IT1170850B IT48123/81A IT4812381A IT1170850B IT 1170850 B IT1170850 B IT 1170850B IT 48123/81 A IT48123/81 A IT 48123/81A IT 4812381 A IT4812381 A IT 4812381A IT 1170850 B IT1170850 B IT 1170850B
Authority
IT
Italy
Prior art keywords
orot
phenols
replacement
procedure
Prior art date
Application number
IT48123/81A
Other languages
English (en)
Other versions
IT8148123A0 (it
Inventor
Max Fremery
Karl-Heinz Keim
Joachim Korff
Original Assignee
Union Rheinische Braunkohlen
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 DE19803012357 external-priority patent/DE3012357C2/de
Priority claimed from DE19813100517 external-priority patent/DE3100517C2/de
Priority claimed from DE19813100734 external-priority patent/DE3100734C2/de
Priority claimed from DE19813103839 external-priority patent/DE3103839C2/de
Application filed by Union Rheinische Braunkohlen filed Critical Union Rheinische Braunkohlen
Publication of IT8148123A0 publication Critical patent/IT8148123A0/it
Application granted granted Critical
Publication of IT1170850B publication Critical patent/IT1170850B/it

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)
IT48123/81A 1980-03-29 1981-03-27 Procedimento per la orot-sostituzione di fenoli IT1170850B (it)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19803012357 DE3012357C2 (de) 1980-03-29 1980-03-29 Verfahren und Katalysator zur ortho-Alkylierung von Phenolen
DE19813100517 DE3100517C2 (de) 1980-03-29 1981-01-10 Verfahren und Katalysator zur o-Alkylierung von Phenolen
DE19813100734 DE3100734C2 (de) 1980-03-29 1981-01-13 Verfahren zur o-Alkylierung von Phenolen
DE19813103839 DE3103839C2 (de) 1981-02-05 1981-02-05 Verfahren und Katalysator zur o-Methylierung von Phenolen

Publications (2)

Publication Number Publication Date
IT8148123A0 IT8148123A0 (it) 1981-03-27
IT1170850B true IT1170850B (it) 1987-06-03

Family

ID=27432516

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48123/81A IT1170850B (it) 1980-03-29 1981-03-27 Procedimento per la orot-sostituzione di fenoli

Country Status (5)

Country Link
US (1) US4359591A (it)
FR (1) FR2479188A1 (it)
GB (1) GB2072674B (it)
IT (1) IT1170850B (it)
NL (1) NL187157C (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3149022A1 (de) * 1981-12-11 1983-06-16 Chemische Werke Hüls AG, 4370 Marl Verfahren zur ortho-methylierung von phenolverbindungen
US4517389A (en) * 1982-08-10 1985-05-14 Asahi Kasei Kogyo Kabushiki Kaisha Process for methylating the ortho position of a phenol
US4605766A (en) * 1983-12-22 1986-08-12 Ethyl Corporation Alkylation process
DE3406536A1 (de) * 1984-02-23 1985-09-05 Union Rheinische Braunkohlen Kraftstoff AG, 5000 Köln Verfahren zur umwandlung von meta-/para-kresolgemischen
DE3524331A1 (de) * 1985-07-08 1987-01-08 Basf Ag Verfahren zur gasphasenalkylierung von phenolen und hierzu geeigneter katalysator
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
US5175377A (en) * 1989-09-22 1992-12-29 China Technical Consultants, Inc. Process for preparing an ortho-alkylated phenol
BR9202890A (pt) * 1992-07-22 1994-02-01 Rhodia Aperfeicoamento em processo para obtencao de terciobutilfenois
DE4322712A1 (de) * 1993-07-08 1995-01-12 Huels Chemische Werke Ag Verfahren zur Durchführung chemischer Reaktionen in Reaktionsdestillationskolonnen
SG101438A1 (en) * 2000-04-20 2004-01-30 Sumitomo Chemical Co Method for producing ortho-alkylated phenols
CN102120185B (zh) * 2010-04-12 2013-06-12 上海海嘉诺医药发展股份有限公司 一种负载型固体催化剂及其制备和应用
CN104418708B (zh) * 2013-09-04 2016-06-15 湖南长岭石化科技开发有限公司 一种2，3，6-三甲基苯酚的制备方法
CN109833878A (zh) * 2017-11-29 2019-06-04 中国科学院大连化学物理研究所 一种苯酚烷基化催化剂及其生产和2,6-二甲酚的合成方法
CN111170833A (zh) * 2020-02-18 2020-05-19 大连中沐化工有限公司 一种酚类邻位甲基化反应抑制芳基甲基醚产生的方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2448942A (en) * 1944-05-09 1948-09-07 Shell Dev Alkylation of phenolic compounds
CA941386A (en) * 1970-06-02 1974-02-05 Arakawa Rinsan Kagaku Kogyo Kabushiki Kaisha Ortho-methylation of a phenol
JPS5110223B1 (it) * 1971-07-21 1976-04-02
JPS5118938B2 (it) * 1972-06-12 1976-06-14
US3953529A (en) * 1973-06-12 1976-04-27 Mitsubishi Gas Chemical Co. Inc. Process for ortho-alkylation of phenol compounds
JPS5112610A (ja) * 1974-07-23 1976-01-31 Matsushita Electric Works Ltd Denjikudosochi
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
DE2852245C2 (de) * 1977-12-06 1983-02-10 Mitsui Toatsu Chemicals, Inc., Tokyo Verfahren zur selektiven o-Alkylierung von Phenolen
JPS5527024A (en) * 1978-08-15 1980-02-26 Mitsui Toatsu Chem Inc Molded tableted catalysts showing high selectivity
US4227024A (en) * 1979-06-04 1980-10-07 Conoco, Inc. Preparation of 2,6-xylenol and catalyst composition useful therefor

Also Published As

Publication number Publication date
IT8148123A0 (it) 1981-03-27
US4359591A (en) 1982-11-16
FR2479188B1 (it) 1985-03-22
FR2479188A1 (fr) 1981-10-02
NL187157B (nl) 1991-01-16
GB2072674A (en) 1981-10-07
NL8101119A (nl) 1981-10-16
NL187157C (nl) 1991-06-17
GB2072674B (en) 1984-07-25

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