METHOD FOR OBTAINING 2-BROMO-5-(2-BROMO-2-NITROVINYL)-FURAN

METHOD FOR OBTAINING 2-BROMO-5-(2-BROMO-2-NITROVINYL)-FURAN

Preparation of 2-bromo-5-(2-bromovinyl)-furan (I) involves: (1) direct bromination of 2-nitrovinyl-furan (II), in presence of activated carbon from the beginning of the reaction; (2) neutralization and dehydrobromination using pyridine; (3) crystallization; and (4) final purification of the product...

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Bibliographische Detailangaben
Hauptverfasser: TEOFILO EXIQUIO GAITAN PLACERES, NILO RAMON CASTANEDO CANCIO
Format: Patent
Sprache:chi ; eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:Preparation of 2-bromo-5-(2-bromovinyl)-furan (I) involves: (1) direct bromination of 2-nitrovinyl-furan (II), in presence of activated carbon from the beginning of the reaction; (2) neutralization and dehydrobromination using pyridine; (3) crystallization; and (4) final purification of the product using ethanol and carbon. ACTIVITY : Antimicrobial. No biological data given. MECHANISM OF ACTION : None given.