We report the remote stereocontrol of all-carbon quaternary γ-centers via an ene-reductase (ERED)-catalyzed desymmetrization of prochiral cyclohexadienones. By leveraging high-throughput experimentation (HTE) protocols, we were able to rapidly identify EREDs capable of desymmetrizing both spirocyclic cyclohexadienones and non-spirocyclic 2,6-disubstituted cyclohexadienone substrates in up to 85% yield with excellent levels of stereoselectivity (up to >99% ee and >20:1 dr) under mild reaction conditions.
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Petrone et al. (2024) studied this question.
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