Syntheses of <i>S</i>-Enantiomers of Hanishin, Longamide B, and Longamide B Methyl Ester from <scp>l</scp>-Aspartic Acid β-Methyl Ester: Establishment of Absolute Stereochemistry
Total syntheses of enantiopure hanishin, longamide B, and longamide B methyl ester are described. Absolute configurations of these natural products have been established.