ChemInform Abstract: α‐Chelation Controlled Nucleophilic Addition to Chiral αβ‐Dialkoxy Carbonyl Compounds. Diastereoselective Preparation of L‐xylo and L‐lyxo Triols.

Abstract The Grignard reagents (II) react with the L‐threose derivative (I) to form the xylo alcohols (III) as the main products, together with the lyxo alcohols (IV).