DE3434038A1 - Verfahren zur herstellung von alkali- und erdalkalisalzen der benzaldehyd-2,4-disulfonsaeure - Google Patents

Verfahren zur herstellung von alkali- und erdalkalisalzen der benzaldehyd-2,4-disulfonsaeure

Info

Publication number
DE3434038A1
DE3434038A1 DE19843434038 DE3434038A DE3434038A1 DE 3434038 A1 DE3434038 A1 DE 3434038A1 DE 19843434038 DE19843434038 DE 19843434038 DE 3434038 A DE3434038 A DE 3434038A DE 3434038 A1 DE3434038 A1 DE 3434038A1
Authority
DE
Germany
Prior art keywords
sulfite
alkali
reaction
sodium
production
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.)
Withdrawn
Application number
DE19843434038
Other languages
German (de)
English (en)
Inventor
Hans Joachim Dr. 6148 Heppenheim Metz
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.)
Hoechst AG
Original Assignee
Hoechst 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 Hoechst AG filed Critical Hoechst AG
Priority to DE19843434038 priority Critical patent/DE3434038A1/de
Priority to DE8585111253T priority patent/DE3560947D1/de
Priority to EP85111253A priority patent/EP0175227B1/de
Priority to US06/775,744 priority patent/US4715995A/en
Priority to JP60202565A priority patent/JPS6172743A/ja
Publication of DE3434038A1 publication Critical patent/DE3434038A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00Sulfonic acids; Halides, esters, or anhydrides thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE19843434038 1984-09-17 1984-09-17 Verfahren zur herstellung von alkali- und erdalkalisalzen der benzaldehyd-2,4-disulfonsaeure Withdrawn DE3434038A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE19843434038 DE3434038A1 (de) 1984-09-17 1984-09-17 Verfahren zur herstellung von alkali- und erdalkalisalzen der benzaldehyd-2,4-disulfonsaeure
DE8585111253T DE3560947D1 (en) 1984-09-17 1985-09-06 Process for the preparation of salts of alkaline or earth-alkaline metals of benzaldehyde-2,4-disulfonic acid
EP85111253A EP0175227B1 (de) 1984-09-17 1985-09-06 Verfahren zur Herstellung von Alkali- und Erdalkalisalzen der Benzaldehyd-2,4-disulfonsäure
US06/775,744 US4715995A (en) 1984-09-17 1985-09-13 Process for the preparation of alkali metal and alkaline earth salts of benzaldehyde-2,4-disulfonic acid
JP60202565A JPS6172743A (ja) 1984-09-17 1985-09-14 ベンズアルデヒド―2,4―ジスルホン酸のアルカリ金属塩およびアルカリ土類金属塩の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843434038 DE3434038A1 (de) 1984-09-17 1984-09-17 Verfahren zur herstellung von alkali- und erdalkalisalzen der benzaldehyd-2,4-disulfonsaeure

Publications (1)

Publication Number Publication Date
DE3434038A1 true DE3434038A1 (de) 1986-03-27

Family

ID=6245566

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19843434038 Withdrawn DE3434038A1 (de) 1984-09-17 1984-09-17 Verfahren zur herstellung von alkali- und erdalkalisalzen der benzaldehyd-2,4-disulfonsaeure
DE8585111253T Expired DE3560947D1 (en) 1984-09-17 1985-09-06 Process for the preparation of salts of alkaline or earth-alkaline metals of benzaldehyde-2,4-disulfonic acid

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE8585111253T Expired DE3560947D1 (en) 1984-09-17 1985-09-06 Process for the preparation of salts of alkaline or earth-alkaline metals of benzaldehyde-2,4-disulfonic acid

Country Status (4)

Country Link
US (1) US4715995A (enExample)
EP (1) EP0175227B1 (enExample)
JP (1) JPS6172743A (enExample)
DE (2) DE3434038A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001051459A1 (en) * 2000-01-10 2001-07-19 Centaur Phamaceuticals, Inc. Method for the purification of aryl sulfonic acids and salts

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE98321C (enExample) *
DE91818C (enExample) *
DE32238C (de) * Badische Anilin- und Sodafabrik in Ludwigshafen a. Rh Verfahren zur Darstellung von Tetrachlorindigo
DE88952C (enExample) *
US1531507A (en) * 1922-07-24 1925-03-31 Nat Aniline & Chem Co Inc Manufacture of benzaldehyde-2.5-disulfonic acil
CH619437A5 (en) * 1975-08-22 1980-09-30 Hoffmann La Roche Process for the preparation of polyene compounds.

Also Published As

Publication number Publication date
EP0175227B1 (de) 1987-11-11
US4715995A (en) 1987-12-29
EP0175227A3 (en) 1986-05-21
DE3560947D1 (en) 1987-12-17
JPS6172743A (ja) 1986-04-14
JPH0558430B2 (enExample) 1993-08-26
EP0175227A2 (de) 1986-03-26

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee