... Volume: Page: ... Organic Letters. ... Aerobic oxidation of a 72:28 mixture of 1'-R/1'-S [ 2 H]-3 gave DMB with 64% retention of deuterium after 5 h, and oxidation of a 28:72 mixture of 1'-R/1'-S [ 2 H]-3 gave DMB with 26% retention of deuterium. ...