Chemoenzymatic Oxosulfonylation-Bioreduction Sequence for the Stereoselective Synthesis of β-Hydroxy Sulfones.

[9] On the other hand, the elution order of the chemoenzymatically obtained 4 a enantiomers using a Chiralcel AD−H column was compared with the one reported in the literature, finding a clear trend and appearing first the ( R )‐enantiomer when using the same chiral stationary phase.[ 4d , 4f , 4g , 4h ] Similarly, the enantiomer elution orders for 4 b [ 4g , 4h ] and 4 h [24a] in the same column, and also for 4 c [4h] and 4 d [ 4g , 4h , 4i ] in the Chiralcel OJ−H were in agreement with our previous assignment based on their optical rotation values.

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