4-Iodoaniline → 4-(Non-1-ynyl) aniline

Participants

Reaction Steps

To a mixture of 4-iodoaniline (2.19 g, 10 mmol), CuI (38 mg, 0.2 mmol, 2 mol %) and Pd(PPh3)2Cl2 (70 mg, 0.1 mmol, 1 mol %) under argon was added THF (60 mL), followed by non-1-yne (1.49 g, 12 mmol, 1.2 equiv.). After stirring for 1 min at rt, 0.5 M NH4OH (40 mL) was added dropwise. After addition, the resulting mixture was stirred 0/N at rt. It was extracted with ether (60 mL+30 mL) and combined extracts were dried (Na2SO4) and purified by flash chromatography (eluent: EtOAc/Hex=1:6) to give 4-(non-1-ynyl) aniline as a light yellow oil (1.85 g, 86%). 1H NMR (400 MHz, CDCl3) δ 7.22 (d, 2H, J=8.4 Hz), 6.60 (d, 2H, J=8.4 Hz), 3.65 (s, br, 2H, NH2), 2.38 (t, 2H, J=7.0 Hz), 1.59 (quint, 2H, J=7.2 Hz), 1.44 (quint, 2H, J=6.8 Hz), 1.38-1.25 (m, 6H), 0.90 (t, 3H, J=6.4 Hz).

Provenance & Evidence