baker's yeast in hexane; water 24 h; Ambient temperaturereduction of other β-thioxo esters, var. substrate conc., var. physiological conditions of the yeast (resting/fermenting, fresh/dry/frozen), var. inhibitors; Product distribution;
samarium diiodide in tetrahydrofuran Ambient temperatureeffect of additives: HMPA, 2-PrOH, DMAE, TMEDA; examination of further epoxy esters; regio- and stereoselectivity; Product distribution;