SYNTHESIS OF BRANCHED-CHAIN HEXULOSE DERIVATIVES AS MODEL FOR THE SYNTHESIS OF TALAROMYCINS |
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| Abstract: | The synthesis of 3,5-dideoxy-1,2-O-isopropylidene-5-C-hydroxymethyl-β-D-erythro- (1) and α-L-threo-hexulopyranose (2) from 3-deoxy-1,2-O-isopropylidene-β-D-erythro-hexulopyranose (5) from D-fructose is described, as well as their respective transformation into 3,5-dideoxy-1,2-O-isopropylidene-5-C-hydroxymethyl-β-D-threo-(3) and -α-L-erythro-hexulopyranose (4) by inversion of configuration at C-4. |
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