HUT57194A - New process for producing an isoxazole derivative
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New process for producing an isoxazole derivative
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Publication number
HUT57194A
HUT57194AHU633389AHU633389AHUT57194AHU T57194 AHUT57194 AHU T57194AHU 633389 AHU633389 AHU 633389AHU 633389 AHU633389 AHU 633389AHU T57194 AHUT57194 AHU T57194A
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Application filed by Egyt Gyogyszervegyeszeti GyarfiledCriticalEgyt Gyogyszervegyeszeti Gyar
Priority to HU633389ApriorityCriticalpatent/HU205346B/en
Publication of HU896333D0publicationCriticalpatent/HU896333D0/en
Publication of HUT57194ApublicationCriticalpatent/HUT57194A/en
Publication of HU205346BpublicationCriticalpatent/HU205346B/en
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms
(AREA)
Abstract
4-acetyl-amido-N-(5-methyl -3-iso-oxazolyl)-benzene -sulphonamide of formula (1) is prepd. by a novel method namely: To a suspension of N-acetyl-sulphamoyl-chloride of formula (III) in an inert low nucleophilic solvent, as a chlorinated alphatic hydrocarbon, a soln. in the same solvent of 3-amino-5-methyl -iso-oxa-zole of formula (II) is added in the presence of near stoichio-metric quantities of pyridine.
HU633389A1989-12-011989-12-01New process for producing an isoxazole derivative
HU205346B
(en)