Download PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Enantioselective total synthesis of δ-lactonic marine natural products, (+)-tanikolide and (−)-malyngolide isolated from Lyngbya majuscula, was achieved by using the Sharpless asymmetric epoxidation and a ring-closing metathesis, as key reactions. ... Structures (+)-tanikolide and ...