158 PREPARATION OF METHYLATED SUGARS 



MONOMETHYLATED REDUCING SUGARS 



It has hitherto proved impossible to obtain definite 

 monosubstituted sugars other than the glucosides or metallic 

 derivatives. As the compounds now described are reducing 

 sugars they are thus examples of a new class. 



MONOMETHYL GLUCOSE 



The constitution assigned to this compound will be dis- 

 cussed later, and it will be shown that the methoxyl group is 



