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Updated: Aug 13, 2026

Preparation of Stable Bicyclic Aziridinium Ions and Their Ring-Opening for the Synthesis of Azaheterocycles
Published on: August 22, 2018
Amphidinolide B: asymmetric synthesis of a C7-C20 synthon
Apsara Gopalarathnam1, Scott G Nelson
1Department of Chemistry, University of Pittsburgh, Pennsylvania 15260, USA.
Abstract:
[reaction: see text] An asymmetric synthesis of a C(7)-C(20) synthon of amphidinolide B is described. The synthesis entails the construction of C(7)-C(13) and C(14)-C(20) fragments and makes extensive use of catalytic asymmetric bond constructions to establish the requisite stereochemical relationships. Fragment coupling proceeds by Suzuki cross-coupling and installs the trisubstituted diene unit that is among amphidinolide B's defining structural features.
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