河北医科大学药学院2018 TheH NMR Spectrum of Tetraacetyl6O-(trans-Feruloyl)Nodakenin] The H NMR Spectrum of Tetraacetyl[6'-O-(trans-Feruloyl)nodakenin] 天然药物化学教研室史清文教授河北医科大学药学院2018 天然药物化学教研室史清文教授 9 The 1H NMR Spectrum of Tetraacetyl[6'-O-(trans-Feruloyl)Nodakenin] 1'' 6'' 5'' 4'' 3'' 2'' 8a 4a 8 7 6 5 4 3 2 10 9 12 11 13 O O O O OAc AcO AcO O CH2 OMe AcO O O 7'' 8'' 9'' 6' 1' 2' 3' 4' 5' 7.60 1H d J=16.0Hz H-7" 7.52 1H d J=9.5Hz H-4 7.12 1H s H-5 7.03 (2H, d, J=3.2Hz, H-5", 6") 7.02 (1H, s, 2") 6.65 1H s H-8 6.31 1H d J=16.0Hz H-8" 6.16 1H d J=9.5Hz H-3 5.24 1H t J=9.4Hz H-3' 5.06 1H t J=9.4Hz H-4' 4.94 1H dd J=9.4Hz H-2' 4.80 1H t J=8.8Hz H-10 4.83 1H d J=8.1Hz H-1' 4.35 1H dd J=2.7, 12.0Hz H-6'b 4.28 1H dd J=6.1, 12.0Hz H-6'a 3.82 1H ddd J=2.9, 6.1, 9.4Hz H-5' 3.85 3H s OMe 3.17 2H d J=8.8Hz H-9 2.33 3H s Ar-OAc (-Me) 2.05 3H s Glc-OAc (-Me) 1.99 3H s Glc-OAc (-Me) 1.86 3H s Glc-OAc (-Me) 1.35 3H s 13 1.26 3H s 1'' 12 6'' 5'' 4'' 3'' 2'' 8a 4a 8 7 6 5 4 3 2 10 9 12 11 13 O O O O OAc AcO AcO O CH2 OMe AcO O O 7'' 8'' 9'' 6' 1' 2' 3' 4' 5' The 1H NMR Spectrum of Tetraacetyl[6'-O-(trans-Feruloyl)nodakenin]