Add time:09/24/2019 Source:sciencedirect.com
Based on a new anchoring strategy, a polymer-supported chiral oxazolidinone was prepared starting from (2R,3S)-3-amino-2-hydroxy-4-phenylbutanoic acid (phenylnorstatine, Pns) and Wang resin. Solid-phase asymmetric alkylation on this resin proceeded in high diastereoselectivity comparable to that of conventional solution-phase model experiments. This study suggests that anchoring through the 5-position of oxazolidinone is highly suited to achieving diastereoselective alkylation reactions on solid-support.
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