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Updated: Feb 23, 2026
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Scalable Synthesis of a Key Intermediate for the Production of Pleuromutilin-Based Antibiotics
Stephen K Murphy1, Mingshuo Zeng1, Seth B Herzon1,2
1Department of Chemistry, Yale University , New Haven, Connecticut 06520, United States.
Abstract:
An improved synthesis of an eneimide, which is a useful precursor to pleuromutilin-based antibiotics, is reported. This synthesis proceeds in six steps and 17% overall yield (27% based on recovery of a key hydrindenone intermediate) and requires two fewer chromatography steps and five fewer days of reaction time than the previously reported route. The use of expensive, acutely toxic, and precious metal reagents or catalysts has been minimized.
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