GB248339A - Process for the manufacture of alkaline earth salts of the carboxylic acids of aromatic sulphon-halo-alkali amides - Google Patents

Process for the manufacture of alkaline earth salts of the carboxylic acids of aromatic sulphon-halo-alkali amides

Info

Publication number
GB248339A
GB248339A GB2759/26A GB275926A GB248339A GB 248339 A GB248339 A GB 248339A GB 2759/26 A GB2759/26 A GB 2759/26A GB 275926 A GB275926 A GB 275926A GB 248339 A GB248339 A GB 248339A
Authority
GB
United Kingdom
Prior art keywords
sulphon
calcium
sulphonamide
sodium
halo
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
GB2759/26A
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.)
ESSEFF CHEMISCHE IND U HANDELS
Original Assignee
ESSEFF CHEMISCHE IND U HANDELS
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 ESSEFF CHEMISCHE IND U HANDELS filed Critical ESSEFF CHEMISCHE IND U HANDELS
Publication of GB248339A publication Critical patent/GB248339A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D275/00—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

248,339. Esseff Chemische Industrie-u. Handels Akt.-Ges. Feb. 25, 1925, [Convention date]. Sulphonhalogen-amide carboxylates.-Alkalineearth carboxvlates of aromatic sulphon-halogenalkali metal-amides are prepared by treating the corresponding sulphonamide carboxylic acids with alkaline-earth hypochlorite or similar alkaline earth halogen compound and substituting alkalimetal for alkaline-earth metal in the sulpho halo. gen amide group by treatment with an alkalimetal salt. In an example, p-sulphonamide benzoic acid is slowly added to a fairly clear solution of calcium hypochlorite, and after filtration the double sodium-calcium salt is precipitated by means of sodium acetate. The Specification as open to inspection unde. Sect. 91 (3) (a) comprises also a further example in which the sulphonamide of toluic acid is treated with calcium hypochlorite and sodium, then substituted for the calcium in the sulphon-chloramide group by means of sodium chloride. This subject-matter does not appear in the Specification as accepted.
GB2759/26A 1925-02-25 1926-01-30 Process for the manufacture of alkaline earth salts of the carboxylic acids of aromatic sulphon-halo-alkali amides Expired GB248339A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT248339X 1925-02-25

Publications (1)

Publication Number Publication Date
GB248339A true GB248339A (en) 1926-10-28

Family

ID=3670126

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2759/26A Expired GB248339A (en) 1925-02-25 1926-01-30 Process for the manufacture of alkaline earth salts of the carboxylic acids of aromatic sulphon-halo-alkali amides

Country Status (1)

Country Link
GB (1) GB248339A (en)

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