JPH0564936B2 - - Google Patents

Info

Publication number
JPH0564936B2
JPH0564936B2 JP60191814A JP19181485A JPH0564936B2 JP H0564936 B2 JPH0564936 B2 JP H0564936B2 JP 60191814 A JP60191814 A JP 60191814A JP 19181485 A JP19181485 A JP 19181485A JP H0564936 B2 JPH0564936 B2 JP H0564936B2
Authority
JP
Japan
Prior art keywords
acid
phase
squarate
solvent
reaction mixture
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 - Lifetime
Application number
JP60191814A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6183142A (ja
Inventor
Jei Baabaa Jeimuzu
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.)
Halcon SD Group Inc
Original Assignee
Halcon SD Group Inc
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 Halcon SD Group Inc filed Critical Halcon SD Group Inc
Publication of JPS6183142A publication Critical patent/JPS6183142A/ja
Publication of JPH0564936B2 publication Critical patent/JPH0564936B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/79—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B3/00—Electrolytic production of organic compounds
    • C25B3/01—Products
    • C25B3/07—Oxygen containing compounds
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B3/00—Electrolytic production of organic compounds
    • C25B3/20—Processes
    • C25B3/29—Coupling reactions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
JP60191814A 1984-08-31 1985-08-30 スクアル酸を単離する方法 Granted JPS6183142A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/645,975 US4523980A (en) 1984-08-31 1984-08-31 Process for the recovery of high purity squaric acid
US645975 1996-05-14

Publications (2)

Publication Number Publication Date
JPS6183142A JPS6183142A (ja) 1986-04-26
JPH0564936B2 true JPH0564936B2 (enExample) 1993-09-16

Family

ID=24591229

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60191814A Granted JPS6183142A (ja) 1984-08-31 1985-08-30 スクアル酸を単離する方法

Country Status (4)

Country Link
US (1) US4523980A (enExample)
EP (1) EP0174142B1 (enExample)
JP (1) JPS6183142A (enExample)
DE (1) DE3574013D1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5039818A (en) * 1986-02-27 1991-08-13 Syntex (U.S.A.) Inc. Squaraine dye
US4830786A (en) * 1986-02-27 1989-05-16 Syntex (U.S.A.) Inc. Squaraine dyes
US5151173A (en) * 1989-12-21 1992-09-29 Exxon Research And Engineering Company Conversion of coal with promoted carbon monoxide pretreatment
IE65907B1 (en) * 1990-02-26 1995-11-29 Lonza Ag New 3-hydroxy-2-cyclobuten-1-one salts their preparation and use
SE520256C2 (sv) * 2001-10-25 2003-06-17 Lundonia Biotech Ab Biomolekylkvadratsyramonoamidkopplingsreagensintermediär

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE786650A (fr) * 1971-07-24 1973-01-24 Ercoli Raffaele Procede de preparation de l'acide squarique
CH621107A5 (enExample) * 1976-12-03 1981-01-15 Ciba Geigy Ag
US4461681A (en) * 1983-05-31 1984-07-24 The Halcon Sd Group, Inc. Process for the preparation of squaric acid by the electrolysis of carbon monoxide in anhydrous aliphatic nitrile solvent media

Also Published As

Publication number Publication date
EP0174142A2 (en) 1986-03-12
JPS6183142A (ja) 1986-04-26
DE3574013D1 (en) 1989-12-07
EP0174142B1 (en) 1989-11-02
EP0174142A3 (en) 1986-12-30
US4523980A (en) 1985-06-18

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