New syntheses of C-mercuriated sugars and rapid conversion into bromo-sugars by reaction with bromine chloride from sodium bromide and chloramine-T
作者:Laurance D. Hall、Jean-Richard Neeser
DOI:10.1039/c39820000887
日期:——
NewC-mercuriatedsugars have been synthesised via hydroboration–transmetallation sequences; the bis(glycosyl)mercury compound (4) reacts very repidly with brominechloride generated in situ fromsodiumbromide and chloramine-T, to give a high isolated yields of bromo-sugar (5)(87%).