GB1083938A - A process for the preparation of 2-alkyl phenols and 2,6-dialkyl phenols - Google Patents

A process for the preparation of 2-alkyl phenols and 2,6-dialkyl phenols

Info

Publication number
GB1083938A
GB1083938A GB5414565A GB5414565A GB1083938A GB 1083938 A GB1083938 A GB 1083938A GB 5414565 A GB5414565 A GB 5414565A GB 5414565 A GB5414565 A GB 5414565A GB 1083938 A GB1083938 A GB 1083938A
Authority
GB
United Kingdom
Prior art keywords
phenols
preparation
dialkyl
alkyl
catalyst
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB5414565A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Union Rheinische Braunkohlen Kraftstoff AG
Original Assignee
Union Rheinische Braunkohlen Kraftstoff AG
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 Union Rheinische Braunkohlen Kraftstoff AG filed Critical Union Rheinische Braunkohlen Kraftstoff AG
Publication of GB1083938A publication Critical patent/GB1083938A/en
Expired legal-status Critical Current

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)

Abstract

Phenol is alkylated in the 2- and 2,6-positions by reaction at above 280 DEG C. with an alcohol or ether in presence of a fixed bed of catalyst comprising an amphoteric metal oxide. In examples, o-cresol and 2,6-xylenol are prepared using MeOH or Me2O and an Al2O3 catalyst.
GB5414565A 1965-01-07 1965-12-21 A process for the preparation of 2-alkyl phenols and 2,6-dialkyl phenols Expired GB1083938A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEU0011347 1965-01-07

Publications (1)

Publication Number Publication Date
GB1083938A true GB1083938A (en) 1967-09-20

Family

ID=7567603

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5414565A Expired GB1083938A (en) 1965-01-07 1965-12-21 A process for the preparation of 2-alkyl phenols and 2,6-dialkyl phenols

Country Status (4)

Country Link
BE (1) BE673773A (en)
FR (1) FR1459648A (en)
GB (1) GB1083938A (en)
NL (1) NL6600159A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2756461A1 (en) * 1977-12-17 1979-06-28 Ruetgerswerke Ag PROCESS FOR THE ORTHO-ALKYLATION OF PHENOLS
EP0050937A1 (en) * 1980-10-14 1982-05-05 Croda Synthetic Chemicals Limited Process for the ortho-alkylation of phenols

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3857899A (en) * 1968-10-05 1974-12-31 Sumitomo Chemical Co Process for selective methylation of phenols
US4085150A (en) * 1976-04-13 1978-04-18 General Electric Company Process for the ortho alkylation of phenols in the presence of a copper-zinc-aluminum mixed oxide catalyst

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2756461A1 (en) * 1977-12-17 1979-06-28 Ruetgerswerke Ag PROCESS FOR THE ORTHO-ALKYLATION OF PHENOLS
EP0050937A1 (en) * 1980-10-14 1982-05-05 Croda Synthetic Chemicals Limited Process for the ortho-alkylation of phenols

Also Published As

Publication number Publication date
BE673773A (en) 1966-04-01
NL6600159A (en) 1966-07-08
FR1459648A (en) 1966-11-18

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