Table 2.

Scope of (^MeObpy)Cu^I/ABNO-Catalyzed Aerobic Secondary Alcohol Oxidation^a

^aYields given are for isolated material. All reactions were performed on a 1 mmol scale in 10 mL of MeCN for 1 h in an open reaction vessel, unless otherwise noted.

^b>99% ee. 0.75 h reaction time.

^cBenzoin used as starting material.

^dReaction performed at 70 °C with O₂ balloon.¹⁰

^e2 h reaction time; 2 mol % catalyst added after 1.5 h (see SI for details).

^f1H NMR yield.

^gIsolated as the 2,4-dinitrophenylhydrazone due to product volatility.

^hIsolated as the HCl salt.

ⁱReaction performed at 60 °C.¹⁰

^j0.5 reaction time.

^k0.2 M substrate concentration.