IE890236L - Process for the preparation of chloranil - Google Patents

Process for the preparation of chloranil

Info

Publication number
IE890236L
IE890236L IE890236A IE23689A IE890236L IE 890236 L IE890236 L IE 890236L IE 890236 A IE890236 A IE 890236A IE 23689 A IE23689 A IE 23689A IE 890236 L IE890236 L IE 890236L
Authority
IE
Ireland
Prior art keywords
chloranil
preparation
hydrogen peroxide
aqueous hydrogen
hydroquinones
Prior art date
Application number
IE890236A
Original Assignee
Softlining 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 Softlining Ag filed Critical Softlining Ag
Publication of IE890236L publication Critical patent/IE890236L/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C46/00—Preparation of quinones
    • 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)

Abstract

Process for the preparation of chloranil by oxidative chlorination of quinones or of hydroquinones with a mixture of hydrochloric acid and aqueous hydrogen peroxide, the introduction of the aqueous hydrogen peroxide taking place at a temperature above 60 DEG C.
IE890236A 1988-01-27 1989-01-26 Process for the preparation of chloranil IE890236L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8800910A FR2626274B1 (en) 1988-01-27 1988-01-27 PROCESS FOR THE PREPARATION OF CHLORANIL

Publications (1)

Publication Number Publication Date
IE890236L true IE890236L (en) 1989-07-27

Family

ID=9362676

Family Applications (1)

Application Number Title Priority Date Filing Date
IE890236A IE890236L (en) 1988-01-27 1989-01-26 Process for the preparation of chloranil

Country Status (7)

Country Link
EP (1) EP0326456B1 (en)
JP (1) JPH01197454A (en)
AT (1) ATE82248T1 (en)
DE (1) DE68903392T2 (en)
ES (1) ES2056236T3 (en)
FR (1) FR2626274B1 (en)
IE (1) IE890236L (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2645114A1 (en) * 1976-10-06 1978-04-13 Peter Prof Dr Boldt Halogenation and opt. oxidn., of aromatic cpds. - with aq. hydrohalic acid and hydrogen peroxide, esp. for chloranil prodn.
DE2933119C2 (en) * 1979-08-16 1982-06-24 Chemische Fabrik Kalk GmbH, 5000 Köln Process for the production of bromanil

Also Published As

Publication number Publication date
DE68903392T2 (en) 1993-04-15
EP0326456B1 (en) 1992-11-11
JPH01197454A (en) 1989-08-09
ES2056236T3 (en) 1994-10-01
EP0326456A1 (en) 1989-08-02
FR2626274B1 (en) 1990-05-04
DE68903392D1 (en) 1992-12-17
JPH0529385B2 (en) 1993-04-30
ATE82248T1 (en) 1992-11-15
FR2626274A1 (en) 1989-07-28

Similar Documents

Publication Publication Date Title
EP0226225A3 (en) Process for the preparation of (2,2)-paracyclophane and derivatives thereof
GR3002384T3 (en) High purity process for the preparation of 4,6-diamino-1,3-benzenediol
EP0279466A3 (en) Novel naphthalene derivatives and antiallergy and anti-inflammatory pharmaceuticals
IL76267A0 (en) Bis-(2-ethylamino-4-diethylamino-s-triazin-6-yl)tetrasulphide,a process for the production thereof,the use thereof and vulcanizable mixtures containing it
AU587257B2 (en) Oxidation method for producing hydrogen peroxide by the anthraquinone process
IE890236L (en) Process for the preparation of chloranil
IL90674A0 (en) Process for the preparation of 2,6-dichlorodiphenylamino-acetic acid derivatives
AU616810B2 (en) Mercaptoalkyl acetoacetates, use thereof and a process for the preparation of mercaptoalkyl acetoacetates
DE3660204D1 (en) Process for the preparation of dichlorotrifluoroethoxy and ethylthioaromatic derivatives
GR3015718T3 (en) Imidazoquinoxalines and their preparation.
JPS57183783A (en) Manufacture of cholesterol derivatives
DE3660257D1 (en) Process for the preparation of thiotetronic acid
EP0254239A3 (en) Optically pure 1,3-dioxenones, methods for preparing same and use thereof
IE890235L (en) Preparing chloranil from a hydroquinone or quinone
AU3006689A (en) Process for the diacylation of compounds containing two aromatic rings
IT1152301B (en) PROCEDURE FOR OXIDATION OF BETA-PHENYLADEIDIC VINYLBENZENIC COMPOUNDS
AU4610689A (en) Pyridine-3-peroxycarboxylic acid monopersulfate
IL83902A (en) Process for the preparation of 2,2-dibromo-nitrilopropionamide
NZ232216A (en) Process for the preparation of hydrogen peroxide by anthraquinone process
IL82503A0 (en) Process for the promination of biphenols
GR3001603T3 (en) Rubber compositions containing amine derivatives of 1,3,4,-thiadiazole
DE3264621D1 (en) Vincamine cyclamate, process for its preparation and medicaments containing it
EP0210470A3 (en) Process for the preparation of 1-pyrazolines
AU1062188A (en) Process for destroying chlorinated products at low temperature
AU553275B2 (en) Stable oxytetracyclin solutions