BE801531A - Trimethyl-para-benzoquinone prepn - by oxidn of trimethyl -para-halo-phenols - Google Patents

Trimethyl-para-benzoquinone prepn - by oxidn of trimethyl -para-halo-phenols

Info

Publication number
BE801531A
BE801531A BE132794A BE132794A BE801531A BE 801531 A BE801531 A BE 801531A BE 132794 A BE132794 A BE 132794A BE 132794 A BE132794 A BE 132794A BE 801531 A BE801531 A BE 801531A
Authority
BE
Belgium
Prior art keywords
trimethyl
para
oxidn
prepn
benzoquinone
Prior art date
Application number
BE132794A
Other languages
French (fr)
Inventor
T Miyazaki
S Munemiya
A Tasaka
Original Assignee
Sumitomo Chemical Co
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 Sumitomo Chemical Co filed Critical Sumitomo Chemical Co
Publication of BE801531A publication Critical patent/BE801531A/en

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
    • C07C37/62—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by introduction of halogen; by substitution of halogen atoms by other halogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C46/00—Preparation of quinones
    • C07C46/02—Preparation of quinones by oxidation giving rise to quinoid structures
    • C07C46/06—Preparation of quinones by oxidation giving rise to quinoid structures of at least one hydroxy group on a six-membered aromatic ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Abstract

Title cpd is prepd. by oxidn of a 2,3,5-trimethyl or a 2,3,6-trimethyl-p-halophenol pref. with chromic acid, nitric acid, permanganic acid or a peroxide. Trimethylparabenzoquinone may be reduced to trimethylhydroquinone useful as an inter. in the prepn of vitamin E.
BE132794A 1972-06-27 1973-06-27 Trimethyl-para-benzoquinone prepn - by oxidn of trimethyl -para-halo-phenols BE801531A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6471572A JPS4924931A (en) 1972-06-27 1972-06-27

Publications (1)

Publication Number Publication Date
BE801531A true BE801531A (en) 1973-10-15

Family

ID=13266108

Family Applications (1)

Application Number Title Priority Date Filing Date
BE132794A BE801531A (en) 1972-06-27 1973-06-27 Trimethyl-para-benzoquinone prepn - by oxidn of trimethyl -para-halo-phenols

Country Status (2)

Country Link
JP (1) JPS4924931A (en)
BE (1) BE801531A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52102054U (en) * 1976-01-30 1977-08-03
JPH0738959B2 (en) * 1989-11-10 1995-05-01 麒麟麦酒株式会社 Nozzle that can swirl jet fluid
CN112608223B (en) * 2020-12-25 2022-05-03 浙江神洲药业有限公司 Preparation method of chloranil

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5832197B2 (en) * 1976-07-31 1983-07-11 川崎重工業株式会社 electrorheological fluid

Also Published As

Publication number Publication date
JPS4924931A (en) 1974-03-05

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