Stereo and regio controlled halogenation, and synthesis of low molecular weight carbohydrates

• The regio- and stereoselective introduction of halogens as well as unsaturation into carbohydrates is investigated with triphenylphosphine - halide systems. Three different glycosidation methods are presented. For the synthesis of 1,2-cis mannopyranosides a mannosyl chloride with nonparticipating cyclohexylidene groups is used, and for the synthesis of 1,2-trans gluco- and galactopyranosides acetylated glycosyl halides and new activating systems are examined. 

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NATURVETENSKAP  -- Kemi (hsv//swe)

NATURAL SCIENCES  -- Chemical Sciences (hsv//eng)

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