GB1464076A - Process for the preparation of 1,4-naphthoquinone - Google Patents

Process for the preparation of 1,4-naphthoquinone

Info

Publication number
GB1464076A
GB1464076A GB646175A GB646175A GB1464076A GB 1464076 A GB1464076 A GB 1464076A GB 646175 A GB646175 A GB 646175A GB 646175 A GB646175 A GB 646175A GB 1464076 A GB1464076 A GB 1464076A
Authority
GB
United Kingdom
Prior art keywords
alkali metal
sulphate
sulphur
iron
naphthoquinone
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
GB646175A
Other languages
English (en)
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.)
NIPPON JORYU KOGYO KK
Nihon Jyoryu Kogyo Co Ltd
Original Assignee
NIPPON JORYU KOGYO KK
Nihon Jyoryu Kogyo Co Ltd
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 NIPPON JORYU KOGYO KK, Nihon Jyoryu Kogyo Co Ltd filed Critical NIPPON JORYU KOGYO KK
Publication of GB1464076A publication Critical patent/GB1464076A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C50/00—Quinones
    • C07C50/10—Quinones the quinoid structure being part of a condensed ring system containing two rings
    • C07C50/12—Naphthoquinones, i.e. C10H6O2
    • 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
    • C07C46/04—Preparation of quinones by oxidation giving rise to quinoid structures of unsubstituted ring carbon atoms in six-membered aromatic rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Furan Compounds (AREA)
GB646175A 1974-02-18 1975-02-14 Process for the preparation of 1,4-naphthoquinone Expired GB1464076A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49018523A JPS5834455B2 (ja) 1974-02-18 1974-02-18 １，４− ナフトキノンノ セイゾウホウホウ

Publications (1)

Publication Number Publication Date
GB1464076A true GB1464076A (en) 1977-02-09

Family

ID=11973977

Family Applications (1)

Application Number Title Priority Date Filing Date
GB646175A Expired GB1464076A (en) 1974-02-18 1975-02-14 Process for the preparation of 1,4-naphthoquinone

Country Status (4)

Country Link
JP (1) JPS5834455B2 (enExample)
CH (1) CH613929A5 (enExample)
DE (1) DE2506809C2 (enExample)
GB (1) GB1464076A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2409133A1 (fr) * 1977-11-21 1979-06-15 Chicago Pneumatic Tool Co Instrument motorise de vissage a deux vitesses
GB2130197A (en) * 1982-11-12 1984-05-31 Kawasaki Kasei Chemicals Limit Process for producing 1,4- naphthoquinone

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2234306C3 (de) * 1972-07-12 1980-05-22 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von 1,4-Naphthochinon neben Phthalsäureanhydrid
JPS5328911B2 (enExample) * 1973-10-23 1978-08-17

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2409133A1 (fr) * 1977-11-21 1979-06-15 Chicago Pneumatic Tool Co Instrument motorise de vissage a deux vitesses
GB2130197A (en) * 1982-11-12 1984-05-31 Kawasaki Kasei Chemicals Limit Process for producing 1,4- naphthoquinone

Also Published As

Publication number Publication date
CH613929A5 (en) 1979-10-31
DE2506809C2 (de) 1984-11-15
JPS5834455B2 (ja) 1983-07-27
JPS50111054A (enExample) 1975-09-01
DE2506809A1 (de) 1975-08-21

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Legal Events

Date Code Title Description
414F Notice of opposition given (sect. 14/1949)
PS Patent sealed
SP Amendment (slips) printed
PCNP Patent ceased through non-payment of renewal fee