Fig. 3: Scope of the homofunctionalized diamine synthesis.

1 (0.2–0.3 mmol), R¹R²NH (2.5 equiv.), Na₂CO₃ (1.5 equiv.), MeCN, c = 0.1 M, 25 °C, 3 h. *Isolated as the corresponding bis(ammonium) trifluoroacetate salt (2 moles of trifluoroacetate ion per mole product).