ammonium acetate in acetic acid T=20 - 100°C; Inert atmosphere;

tert.-butylnitrite; 2,2,6,6-tetramethyl-1-piperidinyloxy, free radical in acetonitrile T=50°C; 12 h; stereoselective reaction;

bis(α-ethylphenylamine) copper acetate in methanol T=20°C; Henry reaction; 72 h; optical yield given as percent eeenantioselective reaction;

nitric acid; nickel(II) nitrate hexahydrate T=20°C; nitro Hunsdiecker reaction; 1.5 h;

palladium (II) trifluoroacetate; silver(I) acetate in ethylene glycol dimethyl ether; dimethyl sulfoxide T=100°C; 24 h; GloveboxSchlenk techniqueInert atmosphere; Overall yield = 52 percent; regioselective reaction;