反应详情

Isopropyltriphenylphosphonium iodide (17.3 g, 40 mmol) and ethyl 3-methylcinnamate (7.6 g, 40 mmol) were reacted as described under General Procedure B to furnish the title compound (7.0 g, 75%) as a colorless oil. 1H NMR (300 MHz, CDCl3) δ 7.17 (t, J=7.4 Hz, 1H), 7.03-6.95 (m, 3H), 4.18 (q, J=7.2 Hz, 2H), 2.66 (d, J=5.8 Hz, 1H), 2.33 (s, 3H), 1.93 (d, J=5.8 Hz, 1H), 1.38 (s, 3H), 1.30 (t, J=7.2 Hz, 3H), 0.93 (s, 3H).