“…DCP 5 was isolated as a yellow solid following general procedure A (32% yield, 29.9 mg). 1 H NMR (300 MHz, CDCl 3 ): δ 7.63 (dd, J = 6.3, 2.1 Hz, 1H), 7.08 (ddd, J = 7.7, 5.8, 1.6 Hz, 2H), 6.92–6.82 (m, 2H), 6.75–6.63 (m, 3H), 6.52 (dd, J = 6.3, 2.1 Hz, 1H), 6.29 (dd, J = 8.3, 1.2 Hz, 1H), 5.18 (dt, J = 4.0, 2.1 Hz, 1H), 4.25 (d, J = 3.7 Hz, 1H), 3.68–3.39 (m, 5H), 3.21–2.96 (m, 5H) ppm …”