反应详情

This compound was prepared from 38b (4.2 g, 12.6 mmol), and boron tribromide (39 ml) following Procedure F to give 39b (3.1 g, 78%). 1H NMR (400 MHz, CDCl3) 0.99-1.02 (t, 3H, 7.6 Hz), 1.28-1.30 (m, 2H), 1.71-1.83 (m, 3H), 2.26-2.29 (m, 1H), 2.57-2.06 (m, 1H), 2.72-2.77 (m, 4H), 2.97-3.07 (m, 5H), 3.16-3.21 (m, 9H), 6.58-6.59 (d, 1H, J=8 Hz), 6.61-6.28 (m, 1H, J=8 Hz), 6.92-6.95 (t, 1H, J=Hz).