Tetrahedron
Tetrahedron
5 years ago

Synthesis of an advanced intermediate enroute to thiomarinol antibiotics

Synthesis of an advanced intermediate enroute to thiomarinol antibiotics
A stereoselective synthesis of the C1-C14 fragment of thiomarinols is disclosed. The key steps include the stereoselective preparation of an allylic sulfide via a chloro sulfide by 1,2-asymmetric induction, ring-closing metathesis reaction, Kirmse-Doyle reaction for the preparation of a γ,δ-unsaturated ester, Nozaki-Hiyama-Kishi coupling and Julia-Kocienski olefination reaction. Substrate controlled asymmetric induction has been advantageously employed for the creation of stereogenic centers. Noyori transfer hydrogenation and asymmetric hydrogenation reactions have been utilized for the creation of carbinol stereocenters.

Publisher URL: www.sciencedirect.com/science

DOI: S004040201730354X

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