Table 3.

Diazo compound scope.^[a]

^[a]Conditions: 1 (0.2 mmol), 2 (0.4 mmol), and 3 (0.3 mmol). Isolated yields are reported.

^[b]KHCO₃ in place of K₂CO₃.

^[c]0.3 mmol scale at 60 °C (conventional heating) for 16 h.

^[d]K₂CO₃ was omitted.

^[e]120 °C (MW), 0.2 M.