Magnolignan C

CAS No.:93697-42-8

C₁₈H₂₀O₄, FW 300.36

UV

λmax (MeOH): 259

MASS

EIMS m/z: 300.13 [M]+

1H NMR

(300 MHz, CD3OD) δ: 2.62, 2.75 (2H, dd, J = 12, 6 Hz, H-7'), 3.31, 3.37 (2H, dd, J = 6.0 Hz, H-7), 3.50 (2H, m, H-9'), 3.79 (1H, m, H-8'), 5.00, 5.08 (2H, dd, J = 11, 18 Hz, H-9), 6.02 (1H, m, H-8), 6.77-7.25 (6H, m, Ar-H)

13C NMR

(75 MHz, CD3OD) δ: 35.4 (C-7), 40.2 (C-7'), 66.7 (C-9'), 74.8 (C-8'), 115.4 (C-9), 115.6 (C-3'), 116.9 (C-5), 127.4 (C-3), 129.3 (C-6), 129.7 (C-2), 130.0 (C-1'), 131.3 (C-5'), 131.6 (C-4'), 132.1 (C-1), 132.6 (C-6'), 138.6 (C-8), 153.5 (C-2'), 155.2 (C-4)