THE REACTION OF N-(DICHLOROMETHYLENE)-N,N-DIALKYLAMMONIUM CHLORIDES WITH FREE SUGARS: AN EFFICIENT SYNTHESIS OF GLYCOSYL CHLORIDES
1983
The treatment of aldose derivatives that are protected at all but the anomeric hydroxy groups with N-dichloromethylene-N,N-dialkylammonium chlorides (alkyl = Me, Et) provides an improved method of preparing the corresponding glycosyl chlorides. Analogous derivatives containing anunprotected C1-C2 diol give 2-O-(N,N-dialkylcarbamoyl)glycosyl chlorides.
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