(−)-O,O′-di-pivaloyl-L-tartaric acid in tetrahydrofuran T=-70°C; 15 h; e.e. of product varying reaction time and temperature (-70 to 20 deg C); Product distributionMechanism;
hydrogenchloride; ethylenediaminetetraacetic acid; fructose-derived dioxirane; sodium hydrogencarbonate; peroxomonosulfate(1-) in acetonitrile multistep reaction mechanism; prod. yield/distribution; var. silylenol ethers; var. time and pH; var. enantioselectivity;
