化合物1:黄色粉末。分子式:C24H22O8, ESI-MS m/z: 439 [M+H]+。1H NMR (600 MHz, Chloroform-d) δH: 6.73 (s, 1H, H-6, 6′), 5.51 (s, 1H, H-3, 3′), 3.93 (s, 3H, 4,4′-OCH3), 3.80 (s, 3H, 5, 5′- OCH3), 2.70 (s, 3H, 7, 7′-CH3). 13C NMR (150 MHz, Chloroform-d) δC:169.88 (C-4, 4′), 163.12 (C-2, 2′), 159.57 (C-7, 7′), 153.49 (C-8a, 8a′), 138.52 (C-5, 5′), 111.43 (C-6, 6′), 108.45 (C-8, 8′), 107.47 (C-4a, 4a′), 87.72 (3, 3′-CH3), 56.11 (7, 7′- OCH3), 55.89 (4, 4′- OCH3), 24.06 (5, 5′-CH3) [10], 以上波谱数据与文献对照一致,确定化合物1为kotanin。
化合物2:黄色粉末。分子式:C16H14O5, ESI-MS m/z: 285 [M-H]−。1H NMR (600 MHz, Chloroform-d) δH: 12.81 (s, 1H, 5-OH), 6.88 (s, 1H, H-6), 6.60 (d, J = 2.2 Hz, 1H, H-7), 6.41 (d, J = 2.2 Hz, 1H, H-9), 6.29 (s, 1H, H-3), 3.99 (s, 3H, 10-OCH3), 3.94 (s, 3H, 8-OCH3), 2.51 (s, 3H, 2-CH3); 13C NMR (150 MHz, Chloroform-d) δC: 182.83 (C-4), 166.54 (C-2), 161.43 (C-8), 159.05 (C-10), 156.61 (C-5), 155.79 (C-11), 141.18 (C-13), 110.21 (C-3), 108.84 (C-14), 105.77 (C-6), 104.88 (C-12), 97.93 (C-7), 96.98 (C-9), 55.85 (10- OCH3), 55.44 (8- OCH3), 20.46 (2-CH3) [11], 以上波谱数据与文献对照一致,确定化合物2为flavasperone。
化合物3:黄色粉末。分子式:C32H30O12, ESI-MS m/z: 607 [M+H]+。1H NMR (600 MHz, Chloroform-d) δH: 14.53 (s, 1H, 5′-OH), 14.17 (s, 1H, 5-OH), 6.88~6.78 (m, 1H, H-9), 6.69 (d, J = 17.8 Hz, 1H, , H-10), 6.37 (d, J = 2.2 Hz, 1H, H-7′), 6.13 (dd, J = 8.5, 2.3 Hz, 1H, H-9′), 4.00 (s, 3H, 6′-OCH3), 3.79 (d, J = 9.8 Hz, 3H, 8-OCH3), 3.68~3.61 (m, 3H, 8′-OCH3), 3.38 (d, J = 3.1 Hz, 3H, 6-OCH3), 3.07~2.99 (m, 2H, 3-H2), 2.98~2.87 (m, 2H, 3′-H2), 1.79 (d, J = 6.0 Hz, 3H, 2-CH3), 1.48 (d, J = 3.8 Hz, 3H, 2′-CH3); 13C NMR (150 MHz, Chloroform-d) δC: 197.60 (C-4′), 196.89 (C-4), 164.85 (C-8′), 163.81 (C-8), 162.15 (C-6′), 161.81 (C-6), 161.01 (C-5′), 158.18 (C-5), 153.19 (C-10a), 151.34 (C-10a′), 142.66 (C-9a), 142.39 (C-9a′), 117.81 (C-7), 110.55 (C-5a), 107.73 (C-5a′), 106.44 (C-10′), 103.79 (C-4a), 103.58 (C-4a′), 102.77 (C-9), 102.24 (C-10), 100.21 (C-2), 100.11 (C-2′), 97.37 (C-7′), 96.21 (C-9′), 61.58 (C-6), 56.17 (C-6′), 55.89 (C-8), 55.16 (C-8′), 47.33 (C-3), 46.92 (C-3′), 29.24 (2′-CH3), 28.69 (2-CH3) [12, 13], 以上波谱数据与文献对照一致,确定化合物3为aurasperone B。
化合物4:微黄色粉末。分子式:C32H28O11, ESI-MS m/z: 587 [M-H]−。1H NMR (600 MHz, Chloroform-d) δH: 14.77 (s, 1H, 5-OH), 14.52 (s, 1H, 5′-OH), 7.12 (s, 1H, H-10), 6.97 (s, 1H, H-9), 6.36 (d, J = 2.2 Hz, 1H, H-7′), 6.13 (d, J = 2.3 Hz, 1H, H-9′), 6.04 (s, 1H, H-3), 4.00 (s, 3H, 6′-OCH3), 3.82 (s, 3H, 8-OCH3), 3.64 (s, 3H, 8′-OCH3), 3.42 (s, 3H, 6-OCH3), 2.92 (d, J = 8.7 Hz, 2H, 3′-H2), 2.40 (s, 3H, 2-CH3), 1.48 (s, 3H, 2′-CH3); 13C NMR (150 MHz, Chloroform-d) δC: 197.49 (C-4′), 184.46 (C-4), 167.68 (C-2), 164.96 (C-8′), 162.18 (C-8), 161.89 (C-6′), 161.86 (C-6), 160.22 (C-5), 157.40 (C-5′), 153.18 (C-10a), 151.30 (C-10a′), 142.62 (C-9a), 140.21 (C-9a′), 118.64 (C-7), 111.39 (C-5a), 107.83 (C-5a′), 107.36 (C-3), 106.62 (C-10′), 104.72 (C-4a), 103.84 (C-4a′), 101.75 (C-9), 101.18 (C-10), 100.23 (C-2′), 97.44 (C-7′), 96.23 (C-9′), 61.78 (6-OCH3), 56.19 (6′-OCH3), 55.90 (8-OCH3), 55.15 (8′-OCH3), 46.88 (C-3′), 28.86 (2′-CH3), 20.74 (2-CH3) [14, 15], 以上波谱数据与文献对照一致,确定化合物4为fonsecinone B。
化合物5:淡黄色粉末。分子式:C32H28O11, ESI-MS m/z: 589 [M+H]+。 1H NMR (600 MHz, Chloroform-d) δH: 14.94 (brs, 1H), 14.17 (d, J = 4.3 Hz, 1H), 7.00 (s, 1H, H-10), 6.86 (d, J = 3.7 Hz, 1H, H-9), 6.73 (d, J = 3.3 Hz, 1H, H-7′), 6.43 (d, J = 2.2 Hz, 1H, H-9′), 6.24 (d, J = 2.3 Hz, 1H, H-3′), 6.00 (t, J = 15.3 Hz, 1H, 2-OH), 4.04 (s, 3H, 6′-OCH3), 3.78 (s, 3H, 8-OCH3), 3.65 (d, J = 1.4 Hz, 3H, 8′-OCH3), 3.44 (s, 3H, 6-OCH3), 3.13~2.94 (m, 2H, 3-H2), 2.21~2.10 (m, 3H, 2′-CH3), 1.82 (s, 3H, 2-CH3); 13C NMR (150 MHz, Chloroform-d) δC: 196.59 (C-4), 184.58 (C-4′), 167.56 (C-2′), 164.06 (C-8), 162.63 (C-8′), 161.43 (C-6′), 161.04 (C-6), 160.96 (C-5), 159.43 (C-5′), 153.32 (C-10a′), 150.80 (C-10a), 142.74 (C-9a), 140.71 (C-9a′), 116.80 (C-7), 110.70 (C-5a′), 108.57 (C-5a), 107.20 (C-3′), 105.17 (C-10), 104.25 (C-4a′), 103.51 (C-4a), 102.67 (C-9), 101.85 (C-10′), 100.12 (C-2), 96.96 (C-7′), 96.49 (C-9′), 61.87 (6′-OCH3), 56.19 (6-OCH3), 55.91 (8′-OCH3), 55.18 (8-OCH3), 47.35 (C-3), 28.68 (2-CH3), 20.68 (2′-CH3) [12, 14], 以上波谱数据与文献对照一致,确定化合物5为fonsecinone D。
化合物6:黄色粉末。分子式:C13H11NO3, ESI-MS m/z: 230 [M+H]+。1H NMR (600 MHz, Chloroform-d) δH: 9.11 (s, 1H, 4-OH), 8.75 (s, 1H, H-2), 7.42~7.37 (m, 2H, H-9, 13), 7.37~7.31 (m, 1H, H-11), 7.26 (dt, J = 6.2, 1.4 Hz, 2H, H-10, 12), 6.27 (s, 1H, H-5), 6.03 (s, 1H, 3-OH), 3.91 (s, 2H, 7-H2); 13C NMR (150 MHz, Chloroform-d) δC: 178.08 (C-3), 168.85 (C-6a), 164.15 (C-4), 162.07 (C-2), 133.79 (C-8), 129.12 (C-9,13), 127.83 (C-10,12), 119.26 (C-3a), 116.06 (C-5), 39.60 (C-7) [16], 以上波谱数据与文献对照一致,确定化合物6为tensidol A。
化合物7:黄色粉末。分子式:C32H26O10, ESI-MS m/z: 571 [M+H]+。1H NMR (600 MHz, Chloroform-d) δH: 15.22 (brs, 1H,5′-OH), 12.81 (brs, 1H, 5-OH), 7.08 (s, 1H, H-6), 7.00 (s, 1H, H-7), 6.46 (d, J = 2.1 Hz, 1H, H-7′), 6.37 (s, 1H, H-3), 6.22 (d, J = 2.1 Hz, 1H, H-9′), 6.04 (s, 1H, H-3′), 4.06 (s, 3H, 6′-OCH3), 3.81 (s, 3H, 8-OCH3), 3.65 (s, 3H, 8′-OCH3), 3.46 (s, 3H, 10-OCH3), 2.52 (s, 3H, 2-CH3), 2.15 (s, 3H, 2′-CH3); 13C NMR (151 MHz, Chloroform-d) δC: 184.59 (C-4′), 183.01 (C-4), 167.48 (C-2), 166.87 (C-2′), 162.83 (C-5′), 161.61 (C-8′), 161.16 (C-6′), 160.07 (C-8), 156.96 (C-10), 156.69 (C-5), 155.15 (C-11), 150.86 (C-10a′), 140.82 (C-6a), 140.67 (C-9a′), 117.16 (C-9), 110.68 (C-3), 108.65(C-5a′), 108.01 (C-10a), 107.37 (C-3′), 106.07 (C-6), 105.05 (C-10′), 104.28 (C-4a′), 101.57 (C-7), 97.03(C-7′), 96.36 (C-9′), 61.21 (10-OCH3), 56.23 (6′-OCH3), 55.98 (8-OCH3), 55.18 (8′-OCH3), 20.67 (2′-CH3), 20.55 (2-CH3) [15, 17], 以上波谱数据与文献对照一致,确定化合物7为fonsecinone A。
化合物8:黄色粉末。分子式:C32H28O11, ESI-MS m/z: 588 [M+H]+。1H NMR (600 MHz, Chloroform-d) δH: 14.55 (s, 1H, 5′-OH), 12.79 (s, 1H, 5-OH), 7.07 (s, 1H, H-7), 7.02 (s, 1H, H-6), 6.41 (d, J = 2.2 Hz, 1H, H-7′), 6.37~6.35 (m, 1H, H-3), 6.17 (d, J = 2.2 Hz, 1H, H-9′), 4.04 (s, 3H, 6′-OCH3), 3.86 (s, 3H, 8-OCH3), 3.67 (s, 3H, 8′-OCH3), 3.42 (s, 3H, 6-OCH3), 2.97 (d, J = 18.4 Hz, 2H, 3′-H2), 2.51 (s, 3H, 2-CH3), 1.49 (s, 3H, 2′-CH3); 13C NMR (150 MHz, Chloroform-d) δC: 197.18 (C-4′),182.70 (C-4), 166.66 (C-2), 165.11 (C-8′), 162.45 (C-8), 161.91 (C-6′), 160.06 (C-10), 156.55 (C-5), 155.61 (C-5′), 154.98 (C-11), 151.13 (C-10a′), 142.53 (C-6a), 140.45 (C-9a′), 118.17 (C-9), 110.74 (C-10′), 109.4 (C-10a), 107.93 (C-5a′), 107.90 (C-3), 106.58 (C-10), 106.05 (C-4a), 103.71 (C-4a′), 102.01 (C-6), 100.22 (C-2′), 97.31 (C-7′), 96.49 (C-9′), 61.13 (10-OCH3), 56.20 (6′-OCH3), 55.98 (8-OCH3), 55.21 (8′-OCH3), 46.65 (C-3′), 29.16 (2′-CH3), 20.51 (2-CH3) [15], 以上波谱数据与文献对照一致,确定化合物8为fonsecinone C。
化合物9:黄色粉末。分子式:C32H26O10, ESI-MS m/z: 571 [M+H]+。1H NMR (600 MHz, Chloroform-d) δH: 15.20 (s, 1H, 5′-OH), 14.79 (s, 1H, 5-OH), 7.11 (s, 1H, H-10), 6.93 (s, 1H, H-9), 6.37 (d, J = 2.2 Hz, 1H, H-7′), 6.17 (d, J = 2.2 Hz, 1H, H-9′), 6.01 (d, J = 0.8 Hz, 1H, H-3), 5.94 (d, J = 0.8 Hz, 1H, H-3′), 3.98 (s, 3H, 6′-OCH3), 3.74 (s, 3H, 8-OCH3), 3.58 (s, 3H, 8′-OCH3), 3.42 (s, 3H, 6-OCH3), 2.37 (d, J = 0.7 Hz, 3H, 2-CH3), 2.07 (d, J = 0.7 Hz, 3H, 2′-CH3); 13C NMR (150 MHz, Chloroform-d) δC: 184.60 (C-4′), 184.43 (C-4), 167.62 (C-2), 167.54 (C-2′), 162.72 (C-5′), 162.01 (C-5), 161.41 (C-8′), 161.07(C-6′), 160.20 (C-8), 158.61 (C-6), 153.37 (C-10a), 150.84 (C-10a′), 140.70 (C-9a), 140.55 (C-9a′), 117.63 (C-7), 111.45 (C-5a), 108.59 (C-5a′), 107.44 (C-3), 107.26 (C-3′), 105.17 (C-10′), 104.73 (C-4a), 104.27 (C-4a′), 101.35 (C-9), 101.21 (C-10), 96.88 (C-7′), 96.53 (C-9′), 62.01 (6-OCH3), 56.21 (6′-OCH3), 55.91 (8-OCH3), 55.13 (8′-OCH3), 20.75 (2-CH3), 20.68 (2′-CH3) [11, 17], 以上波谱数据与文献对照一致,确定化合物9为aurasperone A。
化合物10:黄色粉末。分子式:C31H26O11, ESI-MS m/z: 575 [M+H]+。1H NMR (600 MHz, Chloroform-d) δH: 15.11 (s, 1H, 5′-OH), 14.28 (s, 1H, 5-OH), 7.05 (s, 1H, H-9), 6.68 (d, J = 2.4, 1H, H-7′), 6.28 (d, J = 2.4, 1H, H-9′), 5.95 (s, 1H, H-10), 5.91 (s, 1H, H-3′), 3.86 (s, 3H, 6′-OCH3), 3.69 (s, 3H, 8′-OCH3), 3.42 (s, 3H, 6-OCH3), 3.00 (dd, J = 16.9, 3.8 Hz, 2H, 3-H2), 2.14 (s, 3H, 2′-CH3), 1.28 (s, 3H, 2-CH3); 13C NMR (150 MHz, Chloroform-d) δC: 196.48 (C-4), 184.14 (C-4′), 168.21 (C-2′), 164.48 (C-5), 163.38 (C-5′), 162.22 (C-8′), 160.92 (C-6′), 159.81 (C-8), 157.63 (C-6), 152.99 (C-10a), 151.98 (C-10a′), 142.79 (C-9a), 140.72 (C-9a′), 115.05 (C-7), 110.59 (C-5a), 108.45 (C-5a′), 107.32 (C-3′), 106.50 (C-9), 106.48 (C-10′), 104.14 (C-4a′), 103.30 (C-4a), 102.31 (C-10), 100.02 (C-2), 97.21 (C-9′), 95.94 (C-7′), 62.03 (6-OCH3), 55.86 (6′-OCH3), 55.31 (8′-OCH3), 47.19 (C-3), 28.80 (2-CH3), 20.72 (2′-CH3) [18], 以上波谱数据与文献对照一致,确定化合物10为aurasperone F。