NL153848B - Werkwijze ter bereiding van 3,5-dimethylfenol uit isoforon door katalytische afsplitsing van methaan in de gasfase. - Google Patents

Werkwijze ter bereiding van 3,5-dimethylfenol uit isoforon door katalytische afsplitsing van methaan in de gasfase.

Info

Publication number
NL153848B
NL153848B NL6713253A NL6713253A NL153848B NL 153848 B NL153848 B NL 153848B NL 6713253 A NL6713253 A NL 6713253A NL 6713253 A NL6713253 A NL 6713253A NL 153848 B NL153848 B NL 153848B
Authority
NL
Netherlands
Prior art keywords
isophonone
dimethylphenol
methane
catalytic
closure
Prior art date
Application number
NL6713253A
Other languages
English (en)
Other versions
NL6713253A (nl
Original Assignee
Shell Int Research
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 Shell Int Research filed Critical Shell Int Research
Publication of NL6713253A publication Critical patent/NL6713253A/xx
Priority to NL7614624.A priority Critical patent/NL157287B/nl
Publication of NL153848B publication Critical patent/NL153848B/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
    • C07C37/50—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions decreasing the number of carbon atoms
    • 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)
  • Catalysts (AREA)
NL6713253A 1966-09-30 1967-09-29 Werkwijze ter bereiding van 3,5-dimethylfenol uit isoforon door katalytische afsplitsing van methaan in de gasfase. NL153848B (nl)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7614624.A NL157287B (nl) 1966-09-30 1976-12-31 Werkwijze ter bereiding van 3,5-dimethylfenol uit isoforon door katalytische afsplitsing van methaan in de gasfase.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DES0106251 1966-09-30
GB626967A GB1181437A (en) 1966-09-30 1967-02-09 Process for the preparation of 2,3,5-trimethyl phenol.

Publications (2)

Publication Number Publication Date
NL6713253A NL6713253A (nl) 1968-04-01
NL153848B true NL153848B (nl) 1977-07-15

Family

ID=25998629

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6713253A NL153848B (nl) 1966-09-30 1967-09-29 Werkwijze ter bereiding van 3,5-dimethylfenol uit isoforon door katalytische afsplitsing van methaan in de gasfase.

Country Status (4)

Country Link
BE (1) BE704437A (nl)
CH (1) CH490300A (nl)
GB (4) GB1181437A (nl)
NL (1) NL153848B (nl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1768875B1 (de) * 1968-07-10 1972-02-10 Ruetgerswerke Ag Verfahren zur Herstellung von 3,5-Dimethylphenol
GB1522775A (en) * 1976-04-13 1978-08-31 Gen Electric Process for the selective ortho-alkylation of a phenol
US4048239A (en) * 1976-04-13 1977-09-13 General Electric Company Process for the ortho alkylation of phenols using aldehydes and hydrogen in the presence of a copper-chromium catalyst
CA1196622A (en) * 1981-12-02 1985-11-12 Antonius J.C. Van Seters Process for the preparation of 3,5-dimethylphenol
US4533769A (en) * 1984-05-24 1985-08-06 General Electric Company Method of making methylated phenol from methylated cyclohexeneone
US4551563A (en) * 1984-05-24 1985-11-05 General Electric Company Method for making polymethylated phenols
CN112263969B (zh) * 2020-11-22 2022-09-09 浙江金科日化原料有限公司 3,5-二甲基苯酚的生产方法及所用的控压型生产装置

Also Published As

Publication number Publication date
BE704437A (nl) 1968-03-28
NL6713253A (nl) 1968-04-01
DE1543878B2 (de) 1975-06-05
CH490300A (de) 1970-05-15
GB1197804A (en) 1970-07-08
GB1181437A (en) 1970-02-18
GB1197802A (en) 1970-07-08
DE1543878A1 (de) 1970-01-02
GB1197803A (en) 1970-07-08

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Legal Events

Date Code Title Description
VJC Lapsed due to non-payment of the due maintenance fee for the patent or patent application
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: SHELL