反应详情

Using a similar protocol as described in Example 70 employing 71A and 70A as starting materials afforded 185 mg (30%) of 71 as a solid. 1H NMR (500 MHz, CDCl3): δ 0.95 (t, 3H), 1.76 (q, 2H), 3.02 (d, 2H), 3.26 (d, 2H), 3.58 (s, 2H), 4.29 (m, 1H), 4.61 (m, 1H), 4.72 (m, 1H), 5.10 (m, 2H), 6.71 (d, 2H), 7.21 (d, 2H), 7.51 (t, 2H), 7.55 (t, 1H), 8.13 (d, 2H), MS (APCI+) m/z 435 [M+H]+, LC purity: 94%.