Table 2.
Substrate scopea
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Conditions: 1 (1.0 equiv.), 2 (1.2 equiv.), base (10.0 equiv.), additive (20 mol%), solvent (0.2 M) at rt for 72–96 h. All yields shown are isolated yields for the diastereomeric mixture.
Diastereomeric ratios were determined using 31P NMR.