NL187157C - Werkwijze ter bereiding van 2,6-digesubstitueerde fenolen. - Google Patents

Werkwijze ter bereiding van 2,6-digesubstitueerde fenolen.

Info

Publication number
NL187157C
NL187157C NLAANVRAGE8101119,A NL8101119A NL187157C NL 187157 C NL187157 C NL 187157C NL 8101119 A NL8101119 A NL 8101119A NL 187157 C NL187157 C NL 187157C
Authority
NL
Netherlands
Prior art keywords
dig
preparing
substituted phenols
phenols
substituted
Prior art date
Application number
NLAANVRAGE8101119,A
Other languages
English (en)
Other versions
NL187157B (nl
NL8101119A (nl
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 NL8101119A publication Critical patent/NL8101119A/nl
Publication of NL187157B publication Critical patent/NL187157B/nl
Application granted granted Critical
Publication of NL187157C publication Critical patent/NL187157C/nl

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)
NLAANVRAGE8101119,A 1980-03-29 1981-03-09 Werkwijze ter bereiding van 2,6-digesubstitueerde fenolen. NL187157C (nl)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
DE19803012357 DE3012357C2 (de) 1980-03-29 1980-03-29 Verfahren und Katalysator zur ortho-Alkylierung von Phenolen
DE3012357 1980-03-29
DE3100517 1981-01-10
DE19813100517 DE3100517C2 (de) 1980-03-29 1981-01-10 Verfahren und Katalysator zur o-Alkylierung von Phenolen
DE3100734 1981-01-13
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
DE3103839 1981-02-05

Publications (3)

Publication Number Publication Date
NL8101119A NL8101119A (nl) 1981-10-16
NL187157B NL187157B (nl) 1991-01-16
NL187157C true NL187157C (nl) 1991-06-17

Family

ID=27432516

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE8101119,A NL187157C (nl) 1980-03-29 1981-03-09 Werkwijze ter bereiding van 2,6-digesubstitueerde fenolen.

Country Status (5)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (13)

* 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
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 (nl) * 1971-07-21 1976-04-02
JPS5118938B2 (nl) * 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 (nl) * 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
IT1170850B (it) 1987-06-03
GB2072674B (en) 1984-07-25
FR2479188B1 (nl) 1985-03-22
GB2072674A (en) 1981-10-07
US4359591A (en) 1982-11-16
IT8148123A0 (it) 1981-03-27
FR2479188A1 (fr) 1981-10-02
NL187157B (nl) 1991-01-16
NL8101119A (nl) 1981-10-16

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
SNR Assignments of patents or rights arising from examined patent applications

Owner name: RWE-DEA AKTIENGESELLSCHAFT FUER MINERALOEL UND CHE

V1 Lapsed because of non-payment of the annual fee