4 A molecular sieve; tetra-n-butylammonium perchlorate in acetonitrile Electrochemical reaction;

4 A molecular sieve; tetra-n-butylammonium perchlorate in acetonitrile Electrochemical reaction;

oxygen; NMQPF6 in toluene; acetonitrile T=20°C; Molecular sieveUV-irradiationAir atmosphere; optical yield given as percent dediastereoselective reaction;

oxygen; NMQPF6 in toluene; acetonitrile T=20°C; Molecular sieveUV-irradiationAir atmosphere; optical yield given as percent dediastereoselective reaction;

4 A molecular sieve; tetra-n-butylammonium perchlorate in acetonitrile Electrochemical reaction;

oxygen; NMQPF6 in toluene; acetonitrile T=20°C; Molecular sieveUV-irradiationAir atmosphere; optical yield given as percent dediastereoselective reaction;

oxygen; NMQPF6 in toluene; acetonitrile T=20°C; Molecular sieveUV-irradiationAir atmosphere; optical yield given as percent dediastereoselective reaction;

3 A molecular sieve in acetonitrile electrochemical synthesis: one compartment, three-electrode, air-tight cell, woven carbon anode and Ni foam catode, 0.2 M LiBF4 as supporting electrolyte, constant potential 1.36 V (vs standard calomel reference electrode); Yield given. Yields of byproduct given. Title compound not separated from byproducts;

Ledwith–Weitz salt in acetonitrile 8 h;