Table 2.
Conditions: 1.0 or 0.5 mmol imine (1.0 equiv), allene (1.2 equiv), copper(II) acetate (0.05 equiv), DCyPE (0.06 equiv), DMMS (5.0 equiv), tert-butanol (2.0 equiv) in MTBE (1.0 or 2.0 mL), see Supporting Information for further details.
Average isolated yield from two experiments.
Diastereomer ratio measured by 1H NMR of the crude reaction mixture.