DE1443423A1 - Verfahren zur Herstellung von 2,3-Dichlor-5,6-dicyanobenzochinon - Google Patents

Verfahren zur Herstellung von 2,3-Dichlor-5,6-dicyanobenzochinon

Info

Publication number
DE1443423A1
DE1443423A1 DE19641443423 DE1443423A DE1443423A1 DE 1443423 A1 DE1443423 A1 DE 1443423A1 DE 19641443423 DE19641443423 DE 19641443423 DE 1443423 A DE1443423 A DE 1443423A DE 1443423 A1 DE1443423 A1 DE 1443423A1
Authority
DE
Germany
Prior art keywords
oxidizing agent
mixture
oxygen
acid
nitrogen
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.)
Granted
Application number
DE19641443423
Other languages
German (de)
English (en)
Other versions
DE1443423C (enExample
Inventor
Walker Dr Derek
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.)
Roche Palo Alto LLC
Original Assignee
Roche Palo Alto LLC
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 Roche Palo Alto LLC filed Critical Roche Palo Alto LLC
Publication of DE1443423A1 publication Critical patent/DE1443423A1/de
Application granted granted Critical
Publication of DE1443423C publication Critical patent/DE1443423C/de
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C07C255/45—Carboxylic acid nitriles having cyano groups bound to carbon atoms of rings other than six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C23/00—Compounds containing at least one halogen atom bound to a ring other than a six-membered aromatic ring
    • C07C23/02—Monocyclic halogenated hydrocarbons
    • C07C23/10—Monocyclic halogenated hydrocarbons with a six-membered ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C07C255/49—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE19641443423 1964-01-08 1964-12-19 Verfahren zur Herstellung von 2,3-Dichlor-5,6-dicyanobenzochinon Granted DE1443423A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US336598A US3410877A (en) 1964-01-08 1964-01-08 Process for the preparation of 2, 3-dichloro-5, 6-dicyanobenzoquinone
US33659864 1964-01-08
DEA0047938 1964-12-19

Publications (2)

Publication Number Publication Date
DE1443423A1 true DE1443423A1 (de) 1968-10-24
DE1443423C DE1443423C (enExample) 1973-06-28

Family

ID=23316818

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19641443423 Granted DE1443423A1 (de) 1964-01-08 1964-12-19 Verfahren zur Herstellung von 2,3-Dichlor-5,6-dicyanobenzochinon

Country Status (8)

Country Link
US (1) US3410877A (enExample)
BE (1) BE658046A (enExample)
CH (1) CH450380A (enExample)
DE (1) DE1443423A1 (enExample)
DK (1) DK123765B (enExample)
GB (1) GB1086164A (enExample)
LU (1) LU47485A1 (enExample)
NL (1) NL6413743A (enExample)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2629745A (en) * 1951-04-23 1953-02-24 Allied Chem & Dye Corp Process for preparing 2-chloro-4-nitrophenol
US2748173A (en) * 1952-09-10 1956-05-29 Eastman Kodak Co Process for preparing monochlorohydroquinone
US3114756A (en) * 1961-02-15 1963-12-17 Hoechst Ag Tetracyano-benzoquinone-(1, 4) and process for preparing it
US3102124A (en) * 1961-04-27 1963-08-27 American Home Prod Preparation of 2,3-dicyano-5,6-dichlorobenzoquinone

Also Published As

Publication number Publication date
DK123765B (da) 1972-07-31
NL6413743A (enExample) 1965-07-09
BE658046A (enExample) 1965-04-30
CH450380A (fr) 1968-01-31
US3410877A (en) 1968-11-12
LU47485A1 (enExample) 1965-01-30
GB1086164A (en) 1967-10-04

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee