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The reaction had been published earlier by another researcher, but had never been investigated for its ability to produce homochiral peptides from racemic or near-racemic mixes of amino acids.

Perhaps due to increased demand, manufacturing or supply chain issues, racemic ketamine used in these infusions has been in shortage since 2018.

So how does T induce the conversion of a racemic mixture of allenes into a single enantiomer, a process known as deracemization?

The radical is then converted in situ to a racemic mixture of amines.

Here we report asymmetric catalysis of an SN1-type reaction mechanism that results in the enantioselective construction of quaternary stereocentres from racemic precursors.