1: ethyl bromide With magnesium in tetrahydrofuran
Inert atmosphereReflux;
2: (S)-4-i-propyl-5,5-dimethyl-3-[(RP)-methyl(phenyl)phosphinoyll]oxazolidin-2-one in tetrahydrofuran
T=0°C; Inert atmosphere; optical yield given as percent eeenantioselective reaction;
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