Stereodivergent approach to Alzheimer's therapeutic agent (R)-(−) and (S)-(+)-arundic acid employing chiral 4-pentenol derivatives as building blocks

Add time:08/22/2019    Source:sciencedirect.com

An efficient stereodivergent total synthesis of anti-Alzheimer agent (R)-(−) and (S)-(+)-arundic acid has been achieved from both chiral and nonchiral materials. This strategy features an efficient approach to separable diastereomeric C-2 chiral 4-pentenol intermediates employing proline catalysed asymmetric α-aminooxylation and [3,3] sigmatropic Claisen rearrangement are the highlights of present synthesis.

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