glucofuranose

cotegl at ncaur1.ncaur.gov cotegl at ncaur1.ncaur.gov
Wed Jan 17 10:19:28 EST 1996


In article <FE03E646A2 at CIS.EPM.BR>, TAKAHASHI.BIOQ at EPM.BR says...
>
>Hello All,
>Does anybody know how to prepare methyl- alpha and beta
> glucofuranose?
>Thanks,
>Helio K. Takahashi
>takahashi.bioq at epm.br

The classical method is by a modification of the method used for 
preparation of the methyl glucopyranosides.  Reacting a solution of the 
free sugar in methanol in the cold with less than 1% HCl (dissolved by 
bubbling HCl gas into the cold methanol) should give a mixture containing 
mainly alpha and beta methyl glucofuranosides.  For details, consult 
Pigman & Horton, or try looking in Meth. in Carbohydr. Chem.




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