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CHEM FAB VORM E SCHERING
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CHEM FAB VORM E SCHERING
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Organic Low-Molecular-Weight Compounds And Preparation Thereof
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16,482. Chemische Fabrik auf Actien (vorm. E. Schering). Oct. 8, 1912, [Convention date]. Sulphonic acids of 2-phenylquinoline-4-carboxylic acid and its nuclear substitution derivatives are obtained by sulphonation, for example by treating the carboxylic acids with sulphuric anhydride vapours. In examples 2-phenylquinoline-4-carboxylic acid and also its 6-methyl derivative are sulphonated. The products are useful in therapeutics.
GB191316482D1912-10-081913-07-17The Manufacture of Sulphonic Acids of 2-phenylquinoline-4-carboxylic Acid and its Derivatives.
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