高等学校化学学报 ›› 2026, Vol. 47 ›› Issue (11): 20260158.doi: 10.7503/cjcu20260158
吴伟俊1, 何家静1, 吴俊鹏1, 蓝坤燕1, 吴峥1,2(
)
收稿日期:2026-04-17
出版日期:2026-11-10
发布日期:2026-07-12
通讯作者:
吴峥
E-mail:wuzheng@gxmu.edu.cn
基金资助:
WU Weijun1, HE Jiajing1, WU Junpeng1, LAN Kunyan1, WU Zheng1,2(
)
Received:2026-04-17
Online:2026-11-10
Published:2026-07-12
Contact:
WU Zheng
E-mail:wuzheng@gxmu.edu.cn
Supported by:摘要:
基于对PDE10A蛋白结构及其现有抑制剂相互作用模式的综合分析, 采用拼合原理, 设计合成了10个全新的PDE10A抑制剂. 活性测试结果显示, 除化合物A4和A5外, 其余化合物均表现出不同程度的抑制活性(半数抑制浓度IC50=38.83~98.83 nmol/L). 对活性最佳的化合物A1, A2和A9进行了分子对接研究, 发现均能嵌入PDE10A蛋白PHE729与ILE692/PHE696形成的疏水夹层中, 其通过π⁃π堆积和氢键发挥抑制作用. ADMET预测结果显示, 这3个化合物具有良好的肠道吸收性、 低血脑屏障透过率及较低的毒性, 具备进一步开发为先导化合物的潜力.
中图分类号:
TrendMD:
吴伟俊, 何家静, 吴俊鹏, 蓝坤燕, 吴峥. 苯并 γ-吡喃酮类PDE10A抑制剂的设计、 合成及初步生物活性评价. 高等学校化学学报, 2026, 47(11): 20260158.
WU Weijun, HE Jiajing, WU Junpeng, LAN Kunyan, WU Zheng. Design, Synthesis and Preliminary Biological Evaluation of Chromone-based PDE10A Inhibitors. Chem. J. Chinese Universities, 2026, 47(11): 20260158.
| Compd. | Appearance | Yield(%) | m. p./℃ | HRMS(calcd.), m/z[M+H]+ | ||
|---|---|---|---|---|---|---|
| Formula | Calcd. | Found | ||||
| A1 | Yellow solid | 46.2 | 239—240 | C25H17FN2O2 | 397.1352 | 397.1371 |
| A2 | Yellow solid | 44.1 | 233—234 | C26H19FN2O3 | 427.1458 | 427.1456 |
| A3 | Yellow solid | 37.5 | 231—232 | C26H19ClN2O2 | 443.1162 | 443.1176 |
| A4 | Yellow solid | 49.6 | 208—210 | C26H19ClN2O2 | 427.1213 | 427.1234 |
| A5 | Yellow solid | 42.3 | 206—208 | C27H21ClN2O3 | 457.1319 | 457.1314 |
| A6 | Yellow solid | 36.8 | 224—225 | C26H20N2O3 | 409.1552 | 409.1571 |
| A7 | Yellow solid | 35.7 | 219—220 | C27H22N2O4 | 439.1658 | 439.1681 |
| A8 | Yellow solid | 89.1 | 264—265 | C25H18N2O3 | 394.1395 | 395.1400 |
| A9 | Yellow solid | 86.3 | 260—261 | C25H17FN2O3 | 413.1301 | 413.1312 |
| A10 | Yellow solid | 79.6 | 317—318 | C25H17ClN2O3 | 429.1006 | 429.1028 |
Table 1 Appearance, yields, melting points(m. p.) and HRMS data of target compounds A1—A10
| Compd. | Appearance | Yield(%) | m. p./℃ | HRMS(calcd.), m/z[M+H]+ | ||
|---|---|---|---|---|---|---|
| Formula | Calcd. | Found | ||||
| A1 | Yellow solid | 46.2 | 239—240 | C25H17FN2O2 | 397.1352 | 397.1371 |
| A2 | Yellow solid | 44.1 | 233—234 | C26H19FN2O3 | 427.1458 | 427.1456 |
| A3 | Yellow solid | 37.5 | 231—232 | C26H19ClN2O2 | 443.1162 | 443.1176 |
| A4 | Yellow solid | 49.6 | 208—210 | C26H19ClN2O2 | 427.1213 | 427.1234 |
| A5 | Yellow solid | 42.3 | 206—208 | C27H21ClN2O3 | 457.1319 | 457.1314 |
| A6 | Yellow solid | 36.8 | 224—225 | C26H20N2O3 | 409.1552 | 409.1571 |
| A7 | Yellow solid | 35.7 | 219—220 | C27H22N2O4 | 439.1658 | 439.1681 |
| A8 | Yellow solid | 89.1 | 264—265 | C25H18N2O3 | 394.1395 | 395.1400 |
| A9 | Yellow solid | 86.3 | 260—261 | C25H17FN2O3 | 413.1301 | 413.1312 |
| A10 | Yellow solid | 79.6 | 317—318 | C25H17ClN2O3 | 429.1006 | 429.1028 |
| Compd. | 1H NMR | 13C NMR |
|---|---|---|
| A1 | (600 MHz, DMSO⁃d6), δ: 8.90(s, 1H, Ar―H), 7.85(d, J=15.7 Hz, 1H, ―CH=), 7.83—7.80(m, 1H, Ar—H), 7.77 (dd, J=8.5, 3.1 Hz, 1H, Ar—H), 7.75—7.72(m, 1H, Ar—H), 7.71(dd, J=7.3, 2.0 Hz, 2H, Ar—H), 7.69(s, 1H, Ar—H), 7.66—7.62(m, 1H, Ar—H), 7.55—7.52(m, 2H, Ar—H), 7.50 (s, 1H, —CH=), 7.06(dd, J=2.5, 1.2 Hz, 2H, Ar—H), 2.44(s, 3H, —CH3) | (151 MHz, CDCl3), δ: 175.61, 160.54, 158.90, 156.90, 151.64, 151.03, 142.98, 135.42, 134.57, 133.07, 129.95, 128.95, 127.66, 127.28, 125.39, 125.34, 124.77, 121.97, 120.24, 119.64, 118.88, 118.77, 110.91, 109.92, 21.65 |
| A2 | (600 MHz, DMSO⁃d6), δ: 8.91(s, 1H), 7.89(d, J=15.6 Hz, 1H, —CH=), 7.83(dd, J=9.4, 4.1 Hz, 1H, Ar—H), 7.79(d, J=8.6 Hz, 1H, Ar—H), 7.74(d, J=9.0 Hz, 1H, Ar—H), 7.71(d, J=15.8 Hz, 1H, —CH=), 7.60(t, J=8.2 Hz, 1H, Ar—H), 7.50(s, 1H, —CH=), 7.20(d, J=8.5 Hz, 1H, Ar—H), 7.13—7.11(m, 2H, Ar—H), 7.07(dd, J=12.9, 8.1 Hz, 2H, Ar—H), 3.86(d, J=1.5 Hz, 3H, —OCH3), 2.44(s, 3H, —CH3) | (151 MHz, CDCl3), δ: 175.58, 160.59, 158.91, 156.88, 151.65, 150.94, 142.88, 136.43, 134.44, 133.10, 130.62, 127.69, 125.39, 124.79, 121.96, 120.25, 119.65, 119.45, 118.84, 118.77, 114.88, 112.78, 111.00, 110.04, 55.61, 21.65 |
| A3 | (600 MHz, DMSO⁃d6), δ: 8.86(s, 1H, Ar—H), 8.02(s, 1H, Ar—H), 7.88 (d, J=15.7 Hz, 1H, —CH=), 7.79(s, 1H, Ar—H), 7.69(d, J=15.6 Hz, 1H, —CH=), 7.60(t, J=8.1 Hz, 2H, Ar—H), 7.50(s, 1H, —CH=), 7.20(d, J=8.5 Hz, 1H, Ar—H), 7.12(d, J=9.2 Hz, 2H, Ar—H), 7.06(d, J=9.6 Hz, 2H, Ar—H), 3.86(s, 3H, —OCH3), 2.44(s, 3H, —CH3) | (151 MHz, CDCl3), δ: 174.14, 159.60, 155.78, 152.68, 149.85, 141.86, 135.38, 133.38, 132.85, 132.05, 130.46, 129.58, 126.52, 124.51, 124.05, 123.77, 119.24, 118.81, 118.41, 117.84, 117.79, 113.85, 111.76, 109.01, 76.23, 76.02, 75.81, 54.59, 20.60 |
| A4 | (600 MHz, DMSO⁃d6), δ: 8.86(s, 1H, Ar—H), 8.01(s, 1H, Ar—H), 7.83(d, J=15.7 Hz, 1H, —CH=), 7.79(s, 1H, Ar—H), 7.72—7.69(m, 2H, Ar—H), 7.68(d, J=9.9 Hz, 1H, —CH=), 7.66—7.62(m, 1H, Ar—H), 7.53(dd, J=7.7, 1.6 Hz, 2H, Ar—H), 7.50(s, 1H, —CH=), 7.09—7.05(m, 2H, Ar—H), 2.47(s, 3H, —CH3), 2.44(s, 3H, —CH3) | (151 MHz, CDCl3), δ: 175.26, 156.60, 153.65, 151.10, 143.15, 143.04, 135.47, 134.60, 132.97, 132.25, 129.92, 128.90, 127.59, 127.29, 125.77, 124.69, 123.20, 120.16, 119.83, 118.80, 109.88, 21.65, 20.78 |
| A5 | (600 MHz, DMSO⁃d6), δ: 8.86(d, J=2.1 Hz, 1H, Ar—H), 8.02(s, 1H, Ar—H), 7.88(d, J=13.6 Hz, 1H, —CH=), 7.79(s, 1H, Ar—H), 7.68(d, J=15.4 Hz, 1H, —CH=), 7.60(s, 1H, Ar—H), 7.50(s, 1H, —CH=), 7.20(d, J=8.6 Hz, 1H, Ar—H), 7.12(d, J=9.1 Hz, 2H, Ar—H), 7.07(t, J=9.3 Hz, 2H, Ar—H), 3.86(d, J=2.2 Hz, 3H, —OCH3), 2.47(s, 3H, —CH3), 2.44(s, 3H, —CH3) | (151 MHz, CDCl3), δ: 175.21, 160.63, 156.28, 153.65, 150.99, 143.03, 142.94, 136.06, 134.45, 133.03, 132.25, 130.60, 127.75, 125.77, 124.73, 123.22, 120.15, 119.84, 119.46, 118.85, 118.70, 114.87, 112.35, 110.01, 55.05, 21.65, 20.79 |
| Compd. | 1H NMR | 13C NMR |
| A6 | (600 MHz, DMSO⁃d6), δ: 8.82(s, 1H, Ar—H), 7.87(d, J=15.6 Hz, 1H, —CH=), 7.72—7.68(m, 3H, Ar—H), 7.65—7.62(m, 2H, Ar—H), 7.54—7.51(m, 2H, Ar—H), 7.49(s, J=1.5 Hz, 1H, —CH=), 7.44(d, J=3.1 Hz, 1H, Ar—H), 7.39(dd, J=9.1, 3.1 Hz, 1H, Ar—H), 7.06—7.02(m, 2H, Ar—H), 3.84(s, 3H, —OCH3), 2.43(s, 3H, —CH3) | (151 MHz, DMSO⁃d6), δ: 175.73, 159.20, 157.28, 151.26, 150.21, 143.61, 135.59, 134.80, 132.43, 130.57, 129.37, 128.94, 127.77, 124.82, 124.69, 123.92, 120.51, 118.98, 118.86, 117.38, 110.19, 105.54, 56.22, 21.68 |
| A7 | (600 MHz, DMSO⁃d6), δ: 8.84(s, 1H, Ar—H), 7.91(d, J=15.7 Hz, 1H, —CH=), 7.70(d, J=15.7 Hz, 1H, —CH=), 7.66(d, J=9.1 Hz, 1H, Ar—H), 7.60(t, J=8.1 Hz, 1H, Ar—H), 7.49(s, 1H, Ar—H), 7.46(s, 1H, —CH=), 7.40(dd, J=9.1, 3.1 Hz, 1H, Ar—H), 7.20(dd, J=8.4, 2.5 Hz, 1H, Ar—H), 7.12—7.09(m, 2H, Ar—H), 7.08(dd, J=7.6, 1.9 Hz, 1H, Ar—H), 7.05(dd, J=8.3, 1.5 Hz, 1H, Ar—H), 3.85(s, 3H, —OCH3), 3.85(s, 3H, —OCH3), 2.43(s, 3H, —CH3) | (151 MHz, DMSO⁃d6), δ: 175.76, 160.74, 159.19, 157.74, 151.21, 150.24, 143.58, 136.71, 134.74, 132.42, 131.32, 128.86, 124.84, 124.71, 123.94, 120.54, 119.81, 118.94, 118.90, 117.47, 115.26, 113.25, 110.35, 105.58, 56.24, 56.04, 21.68 |
| A8 | (600 MHz, DMSO⁃d6), δ: 10.18(s, 1H, —OH), 8.80(s, 1H, Ar—H), 7.80(d, J=3.3 Hz, 2H, Ar—H), 7.79—7.77(m, 3H, Ar—H), 7.72(dd, J=7.5, 2.2 Hz, 2H, Ar—H), 7.67(s, 1H, —CH=), 7.60(d, J=9.0 Hz, 1H, —CH=), 7.33(dd, J=8.5, 1.5 Hz, 1H, Ar—H), 7.31(d, J=2.9 Hz, 1H, Ar—H), 7.27(dd, J=9.0, 3.0 Hz, 1H, Ar—H), 7.24(d, J=8.4 Hz, 1H, Ar—H), 2.52(s, 3H, —CH3) | (151 MHz, DMSO⁃d6), δ: 175.67, 161.14, 156.00, 149.18, 137.05, 136.15, 132.99, 132.31, 131.22, 130.97, 127.95, 127.84, 124.79, 124.09, 120.45, 117.31, 114.42, 112.33, 111.32, 108.99, 21.61 |
| A9 | (600 MHz, Methanol⁃d4), δ: 8.60(s, 1H, —OH), 8.00(d, J=16.2 Hz, 1H, —CH=), 7.81(dd, J=8.3, 3.1 Hz, 1H, Ar—H), 7.70(dd, J=9.2, 4.1 Hz, 1H, Ar—H), 7.67—7.63(m, 2H, Ar—H), 7.62—7.56(m, 2H, Ar—H), 7.44(d, J=8.6, 1H, —CH=), 7.34(d, J=8.5 Hz, 1H, Ar—H), 7.21—7.19(m, 1H, Ar—H), 7.08(s, 1H, —CH=), 7.05(t, J=2.2 Hz, 1H, Ar—H), 2.58(s, 3H, —CH3) | (151 MHz, DMSO⁃d6), δ: 175.25, 161.56, 160.64, 159.22, 159.02, 151.92, 148.84, 136.89, 134.99, 133.85, 132.31, 131.73, 127.77, 125.10, 123.44, 123.27, 121.95, 118.21, 117.78, 114.67, 114.54, 112.34, 110.72, 110.56, 21.60 |
| A10 | (600 MHz, DMSO⁃d6), δ: 10.06(s, 1H, —OH), 8.87(s, 1H, Ar—H), 8.01(d, J=2.6 Hz, 1H, Ar—H), 7.87—7.83(m, 2H, Ar—H), 7.75(d, J=8.9 Hz, 1H, Ar—H), 7.67(d, J=15.7 Hz, 1H, —CH=), 7.49—7.45(m, 2H, Ar—H), 7.08(d, J=8.2 Hz, 1H, —CH=), 7.03(ddd, J=11.2, 8.4, 1.9 Hz, 2H, Ar—H), 6.91(dd, J=7.7, 2.0 Hz, 1H, Ar—H), 6.85(s, 1H, —CH=), 2.42(s, 3H, —CH3) | (151 MHz, DMSO⁃d6), δ: 175.03, 159.61, 159.04, 154.06, 150.98, 143.51, 136.45, 134.72, 134.63, 132.44, 131.33, 130.85, 130.77, 128.28, 125.10, 124.89, 121.49, 119.75, 118.98, 118.17, 118.03, 116.46, 114.43, 110.33, 21.68 |
Table 2 1H NMR and 13C NMR data of compounds A1—A10
| Compd. | 1H NMR | 13C NMR |
|---|---|---|
| A1 | (600 MHz, DMSO⁃d6), δ: 8.90(s, 1H, Ar―H), 7.85(d, J=15.7 Hz, 1H, ―CH=), 7.83—7.80(m, 1H, Ar—H), 7.77 (dd, J=8.5, 3.1 Hz, 1H, Ar—H), 7.75—7.72(m, 1H, Ar—H), 7.71(dd, J=7.3, 2.0 Hz, 2H, Ar—H), 7.69(s, 1H, Ar—H), 7.66—7.62(m, 1H, Ar—H), 7.55—7.52(m, 2H, Ar—H), 7.50 (s, 1H, —CH=), 7.06(dd, J=2.5, 1.2 Hz, 2H, Ar—H), 2.44(s, 3H, —CH3) | (151 MHz, CDCl3), δ: 175.61, 160.54, 158.90, 156.90, 151.64, 151.03, 142.98, 135.42, 134.57, 133.07, 129.95, 128.95, 127.66, 127.28, 125.39, 125.34, 124.77, 121.97, 120.24, 119.64, 118.88, 118.77, 110.91, 109.92, 21.65 |
| A2 | (600 MHz, DMSO⁃d6), δ: 8.91(s, 1H), 7.89(d, J=15.6 Hz, 1H, —CH=), 7.83(dd, J=9.4, 4.1 Hz, 1H, Ar—H), 7.79(d, J=8.6 Hz, 1H, Ar—H), 7.74(d, J=9.0 Hz, 1H, Ar—H), 7.71(d, J=15.8 Hz, 1H, —CH=), 7.60(t, J=8.2 Hz, 1H, Ar—H), 7.50(s, 1H, —CH=), 7.20(d, J=8.5 Hz, 1H, Ar—H), 7.13—7.11(m, 2H, Ar—H), 7.07(dd, J=12.9, 8.1 Hz, 2H, Ar—H), 3.86(d, J=1.5 Hz, 3H, —OCH3), 2.44(s, 3H, —CH3) | (151 MHz, CDCl3), δ: 175.58, 160.59, 158.91, 156.88, 151.65, 150.94, 142.88, 136.43, 134.44, 133.10, 130.62, 127.69, 125.39, 124.79, 121.96, 120.25, 119.65, 119.45, 118.84, 118.77, 114.88, 112.78, 111.00, 110.04, 55.61, 21.65 |
| A3 | (600 MHz, DMSO⁃d6), δ: 8.86(s, 1H, Ar—H), 8.02(s, 1H, Ar—H), 7.88 (d, J=15.7 Hz, 1H, —CH=), 7.79(s, 1H, Ar—H), 7.69(d, J=15.6 Hz, 1H, —CH=), 7.60(t, J=8.1 Hz, 2H, Ar—H), 7.50(s, 1H, —CH=), 7.20(d, J=8.5 Hz, 1H, Ar—H), 7.12(d, J=9.2 Hz, 2H, Ar—H), 7.06(d, J=9.6 Hz, 2H, Ar—H), 3.86(s, 3H, —OCH3), 2.44(s, 3H, —CH3) | (151 MHz, CDCl3), δ: 174.14, 159.60, 155.78, 152.68, 149.85, 141.86, 135.38, 133.38, 132.85, 132.05, 130.46, 129.58, 126.52, 124.51, 124.05, 123.77, 119.24, 118.81, 118.41, 117.84, 117.79, 113.85, 111.76, 109.01, 76.23, 76.02, 75.81, 54.59, 20.60 |
| A4 | (600 MHz, DMSO⁃d6), δ: 8.86(s, 1H, Ar—H), 8.01(s, 1H, Ar—H), 7.83(d, J=15.7 Hz, 1H, —CH=), 7.79(s, 1H, Ar—H), 7.72—7.69(m, 2H, Ar—H), 7.68(d, J=9.9 Hz, 1H, —CH=), 7.66—7.62(m, 1H, Ar—H), 7.53(dd, J=7.7, 1.6 Hz, 2H, Ar—H), 7.50(s, 1H, —CH=), 7.09—7.05(m, 2H, Ar—H), 2.47(s, 3H, —CH3), 2.44(s, 3H, —CH3) | (151 MHz, CDCl3), δ: 175.26, 156.60, 153.65, 151.10, 143.15, 143.04, 135.47, 134.60, 132.97, 132.25, 129.92, 128.90, 127.59, 127.29, 125.77, 124.69, 123.20, 120.16, 119.83, 118.80, 109.88, 21.65, 20.78 |
| A5 | (600 MHz, DMSO⁃d6), δ: 8.86(d, J=2.1 Hz, 1H, Ar—H), 8.02(s, 1H, Ar—H), 7.88(d, J=13.6 Hz, 1H, —CH=), 7.79(s, 1H, Ar—H), 7.68(d, J=15.4 Hz, 1H, —CH=), 7.60(s, 1H, Ar—H), 7.50(s, 1H, —CH=), 7.20(d, J=8.6 Hz, 1H, Ar—H), 7.12(d, J=9.1 Hz, 2H, Ar—H), 7.07(t, J=9.3 Hz, 2H, Ar—H), 3.86(d, J=2.2 Hz, 3H, —OCH3), 2.47(s, 3H, —CH3), 2.44(s, 3H, —CH3) | (151 MHz, CDCl3), δ: 175.21, 160.63, 156.28, 153.65, 150.99, 143.03, 142.94, 136.06, 134.45, 133.03, 132.25, 130.60, 127.75, 125.77, 124.73, 123.22, 120.15, 119.84, 119.46, 118.85, 118.70, 114.87, 112.35, 110.01, 55.05, 21.65, 20.79 |
| Compd. | 1H NMR | 13C NMR |
| A6 | (600 MHz, DMSO⁃d6), δ: 8.82(s, 1H, Ar—H), 7.87(d, J=15.6 Hz, 1H, —CH=), 7.72—7.68(m, 3H, Ar—H), 7.65—7.62(m, 2H, Ar—H), 7.54—7.51(m, 2H, Ar—H), 7.49(s, J=1.5 Hz, 1H, —CH=), 7.44(d, J=3.1 Hz, 1H, Ar—H), 7.39(dd, J=9.1, 3.1 Hz, 1H, Ar—H), 7.06—7.02(m, 2H, Ar—H), 3.84(s, 3H, —OCH3), 2.43(s, 3H, —CH3) | (151 MHz, DMSO⁃d6), δ: 175.73, 159.20, 157.28, 151.26, 150.21, 143.61, 135.59, 134.80, 132.43, 130.57, 129.37, 128.94, 127.77, 124.82, 124.69, 123.92, 120.51, 118.98, 118.86, 117.38, 110.19, 105.54, 56.22, 21.68 |
| A7 | (600 MHz, DMSO⁃d6), δ: 8.84(s, 1H, Ar—H), 7.91(d, J=15.7 Hz, 1H, —CH=), 7.70(d, J=15.7 Hz, 1H, —CH=), 7.66(d, J=9.1 Hz, 1H, Ar—H), 7.60(t, J=8.1 Hz, 1H, Ar—H), 7.49(s, 1H, Ar—H), 7.46(s, 1H, —CH=), 7.40(dd, J=9.1, 3.1 Hz, 1H, Ar—H), 7.20(dd, J=8.4, 2.5 Hz, 1H, Ar—H), 7.12—7.09(m, 2H, Ar—H), 7.08(dd, J=7.6, 1.9 Hz, 1H, Ar—H), 7.05(dd, J=8.3, 1.5 Hz, 1H, Ar—H), 3.85(s, 3H, —OCH3), 3.85(s, 3H, —OCH3), 2.43(s, 3H, —CH3) | (151 MHz, DMSO⁃d6), δ: 175.76, 160.74, 159.19, 157.74, 151.21, 150.24, 143.58, 136.71, 134.74, 132.42, 131.32, 128.86, 124.84, 124.71, 123.94, 120.54, 119.81, 118.94, 118.90, 117.47, 115.26, 113.25, 110.35, 105.58, 56.24, 56.04, 21.68 |
| A8 | (600 MHz, DMSO⁃d6), δ: 10.18(s, 1H, —OH), 8.80(s, 1H, Ar—H), 7.80(d, J=3.3 Hz, 2H, Ar—H), 7.79—7.77(m, 3H, Ar—H), 7.72(dd, J=7.5, 2.2 Hz, 2H, Ar—H), 7.67(s, 1H, —CH=), 7.60(d, J=9.0 Hz, 1H, —CH=), 7.33(dd, J=8.5, 1.5 Hz, 1H, Ar—H), 7.31(d, J=2.9 Hz, 1H, Ar—H), 7.27(dd, J=9.0, 3.0 Hz, 1H, Ar—H), 7.24(d, J=8.4 Hz, 1H, Ar—H), 2.52(s, 3H, —CH3) | (151 MHz, DMSO⁃d6), δ: 175.67, 161.14, 156.00, 149.18, 137.05, 136.15, 132.99, 132.31, 131.22, 130.97, 127.95, 127.84, 124.79, 124.09, 120.45, 117.31, 114.42, 112.33, 111.32, 108.99, 21.61 |
| A9 | (600 MHz, Methanol⁃d4), δ: 8.60(s, 1H, —OH), 8.00(d, J=16.2 Hz, 1H, —CH=), 7.81(dd, J=8.3, 3.1 Hz, 1H, Ar—H), 7.70(dd, J=9.2, 4.1 Hz, 1H, Ar—H), 7.67—7.63(m, 2H, Ar—H), 7.62—7.56(m, 2H, Ar—H), 7.44(d, J=8.6, 1H, —CH=), 7.34(d, J=8.5 Hz, 1H, Ar—H), 7.21—7.19(m, 1H, Ar—H), 7.08(s, 1H, —CH=), 7.05(t, J=2.2 Hz, 1H, Ar—H), 2.58(s, 3H, —CH3) | (151 MHz, DMSO⁃d6), δ: 175.25, 161.56, 160.64, 159.22, 159.02, 151.92, 148.84, 136.89, 134.99, 133.85, 132.31, 131.73, 127.77, 125.10, 123.44, 123.27, 121.95, 118.21, 117.78, 114.67, 114.54, 112.34, 110.72, 110.56, 21.60 |
| A10 | (600 MHz, DMSO⁃d6), δ: 10.06(s, 1H, —OH), 8.87(s, 1H, Ar—H), 8.01(d, J=2.6 Hz, 1H, Ar—H), 7.87—7.83(m, 2H, Ar—H), 7.75(d, J=8.9 Hz, 1H, Ar—H), 7.67(d, J=15.7 Hz, 1H, —CH=), 7.49—7.45(m, 2H, Ar—H), 7.08(d, J=8.2 Hz, 1H, —CH=), 7.03(ddd, J=11.2, 8.4, 1.9 Hz, 2H, Ar—H), 6.91(dd, J=7.7, 2.0 Hz, 1H, Ar—H), 6.85(s, 1H, —CH=), 2.42(s, 3H, —CH3) | (151 MHz, DMSO⁃d6), δ: 175.03, 159.61, 159.04, 154.06, 150.98, 143.51, 136.45, 134.72, 134.63, 132.44, 131.33, 130.85, 130.77, 128.28, 125.10, 124.89, 121.49, 119.75, 118.98, 118.17, 118.03, 116.46, 114.43, 110.33, 21.68 |
Fig.1 Molecular docking models of molecule A1(A), A2(B) and A9(C) with the 6KO1Blue dotted lines: hydrogen bonds; green dotted lines: π-π interactions.
| No. | Absorption | Distribution | Metabolism | Excretion | Toxicity | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| HIA | F | PBB | BBB | CYP450 3A4 | CYP450 2D6 | CYP450 2C9 | CL/ (mL·min-1·kg-1) | T1/2/h | hERG Blockers/ (μmol·L-1) | Rat oral acute toxicity/ (mg·kg-1) | |
| A1 | ≥30% | ≥50% | 97.746 | 0.343 | Inhibitor | Non | Inhibitor | 5.705 | 0.522 | >10 | >500 |
| A2 | ≥30% | ≥50% | 97.87 | 0.005 | Inhibitor | Inhibitor | Inhibitor | 6.632 | 0.452 | >10 | >500 |
| A3 | ≥30% | ≥50% | 98.69 | 0.005 | Inhibitor | Inhibitor | Inhibitor | 6.155 | 0.511 | < 10 | >500 |
| A4 | ≥30% | ≥50% | 99.0 | 0.039 | Inhibitor | Non | Inhibitor | 5.729 | 0.513 | < 10 | >500 |
| A5 | ≥30% | ≥50% | 98.987 | 0.0 | Inhibitor | Inhibitor | Inhibitor | 6.579 | 0.462 | < 10 | >500 |
| A6 | ≥30% | ≥50% | 97.954 | 0.007 | Inhibitor | Inhibitor | Inhibitor | 6.197 | 0.481 | >10 | >500 |
| A7 | ≥30% | ≥50% | 97.386 | 0.0 | Inhibitor | Inhibitor | Inhibitor | 6.953 | 0.444 | >10 | >500 |
| A8 | ≥30% | ≥50% | 98.113 | 0.002 | Inhibitor | Non | Inhibitor | 6.509 | 0.617 | >10 | >500 |
| A9 | ≥30% | ≥50% | 97.154 | 0.002 | Inhibitor | Inhibitor | Inhibitor | 5.637 | 0.586 | >10 | >500 |
| A10 | ≥30% | ≥50% | 98.757 | 0.002 | Inhibitor | Inhibitor | Inhibitor | 5.161 | 0.622 | < 10 | >500 |
Table 4 ADMET prediction results of target compounds A1—A10*
| No. | Absorption | Distribution | Metabolism | Excretion | Toxicity | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| HIA | F | PBB | BBB | CYP450 3A4 | CYP450 2D6 | CYP450 2C9 | CL/ (mL·min-1·kg-1) | T1/2/h | hERG Blockers/ (μmol·L-1) | Rat oral acute toxicity/ (mg·kg-1) | |
| A1 | ≥30% | ≥50% | 97.746 | 0.343 | Inhibitor | Non | Inhibitor | 5.705 | 0.522 | >10 | >500 |
| A2 | ≥30% | ≥50% | 97.87 | 0.005 | Inhibitor | Inhibitor | Inhibitor | 6.632 | 0.452 | >10 | >500 |
| A3 | ≥30% | ≥50% | 98.69 | 0.005 | Inhibitor | Inhibitor | Inhibitor | 6.155 | 0.511 | < 10 | >500 |
| A4 | ≥30% | ≥50% | 99.0 | 0.039 | Inhibitor | Non | Inhibitor | 5.729 | 0.513 | < 10 | >500 |
| A5 | ≥30% | ≥50% | 98.987 | 0.0 | Inhibitor | Inhibitor | Inhibitor | 6.579 | 0.462 | < 10 | >500 |
| A6 | ≥30% | ≥50% | 97.954 | 0.007 | Inhibitor | Inhibitor | Inhibitor | 6.197 | 0.481 | >10 | >500 |
| A7 | ≥30% | ≥50% | 97.386 | 0.0 | Inhibitor | Inhibitor | Inhibitor | 6.953 | 0.444 | >10 | >500 |
| A8 | ≥30% | ≥50% | 98.113 | 0.002 | Inhibitor | Non | Inhibitor | 6.509 | 0.617 | >10 | >500 |
| A9 | ≥30% | ≥50% | 97.154 | 0.002 | Inhibitor | Inhibitor | Inhibitor | 5.637 | 0.586 | >10 | >500 |
| A10 | ≥30% | ≥50% | 98.757 | 0.002 | Inhibitor | Inhibitor | Inhibitor | 5.161 | 0.622 | < 10 | >500 |
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