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Updated: Nov 19, 2025

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Function-Oriented and Modular (+/-)-cis-Pseudoguaianolide Synthesis: Discovery of New Nrf2 Activators and NF-κB
Fabien Emmetiere1, Ranjala Ratnayake2, Henry A M Schares3
1Department of Chemistry, University of Florida, PO Box 117200, Gainesville, FL, 32608, USA.
Abstract:
Described herein is a function-oriented synthesis route and biological evaluation of pseudoguaianolide analogues. The 10-step synthetic route developed retains the topological complexity of the natural product, installs functional handles for late-stage diversification, and forges the key bioactive Michael acceptors early in the synthesis. The analogues were found to be low-micromolar Nrf2 activators and micromolar NF-κB inhibitors and dependent on the local environment of the Michael acceptor moieties.
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