ES320439A1 - A procedure for the preparation of amidas of sulfamilantranilic acids. (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for the preparation of amidas of sulfamilantranilic acids. (Machine-translation by Google Translate, not legally binding)
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Hoechst AG
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Hoechst AG
Farbwerke Hoechst AG
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Publication of ES320439A1publicationCriticalpatent/ES320439A1/en
A process for the preparation of amides of sulfamylanthranilic acids of the general formula I, **(See formula)** where R1 signifies the benzyl, furylmethyl or tenyl group, R2 is a hydrogen atom or a straight-chain or branched alcohol group with 1 to 3 carbon atoms, R3 is a hydrogen atom or the methoxy group and X is a chlorine or bromine atom, characterized in that either a) a dihalogen-sulfamyl benzoic acid amide of the general formula is reacted **(See formula)** wherein Hal is a halogen atom, with an amine of general formula III, **(See formula)** NH2R1 (III) or b) a reactive derivative of a sulfamylanthranilic acid of the general formula IV is reacted **(See formula)** with a compound of formula V, HgN-O-R2 (V). (Machine-translation by Google Translate, not legally binding)
ES0320439A1964-12-081965-12-06A procedure for the preparation of amidas of sulfamilantranilic acids. (Machine-translation by Google Translate, not legally binding)
ExpiredES320439A1
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