Two novel amino alcohols were synthesized from L-arabinose and applied for the enantioselective diethylzinc addition. The enantioselectivity for new ligands was much lower than for previously re ported rigid D-glucosamine derived ligand.
The rigid derivative of D-glucosamine bearing single diphenylphosphino benzoic acid moiety was synthesized and applied as the ligand for the allylic alkylations. Best results were obtained for 1,3-diphenylpropenyl acetate (up to 96% ee).
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