Fig. 4: Substrate scope study for synthesis of furazans 5.
[a] Reaction conditions: enamine 4 (0.3 mmol, 1.0 equiv), O2NO-I(III) 1d (0.75 mmol, 2.5 equiv), CuI (10% mol) in acetonitrile (4 mL) under N2 atmosphere at 60 °C for 6 h. [b]Isolated yield.
Fig. 4: Substrate scope study for synthesis of furazans 5. | Communications Chemistry
