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Total Synthesis and Structure Confirmation of Fusaroside
Sudhakar S Nalpe1, Santanu Jana1, Suvarn S Kulkarni1
1Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India.
Abstract:
Recently, we synthesized the proposed structure of the fungal glycolipid fusaroside and suggested corrections in its structure with respect to the positions of the double bonds in the lipid portion. Herein, we report the first total synthesis of the proposed revised structure of fusaroside and thereby confirm its structure. The synthesis involved Julia-Kocienski olefination for the construction of fatty acid and its coupling with trehalose at the O4 position followed by late-stage gem-dimethylation as key steps.
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