. 2020 Mar 20;11(15):3903–3908. doi: 10.1039/d0sc01060j

Catalytic enantioselective construction of quaternary α-disulfuryl β-keto esters^a^,^b.

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Reaction conditions: β-keto ester (1.0 equiv.), N-dithiophthalimide (1.2 equiv.), and (DHQD)₂PHAL (20 mol%), in 0.05 M DME solution at 25 °C for 24 h.

After recrystallization once.

Catalytic enantioselective construction of quaternary α-disulfuryl β-keto estersa,b.

Catalytic enantioselective construction of quaternary α-disulfuryl β-keto esters^a^,^b.