含有苄胺结构的四氢苯并[4,5]噻吩并[2,3-d]嘧啶类化合物及其应用_2

文档序号:9342144阅读:来源:国知局
层析分 离(石油醚:乙酸乙酯=2:1)得到淡黄色晶体9.4g,收率88. 3%。m.p. :166-169°C ;IR :(KBr, cm ) 3442(m),2974(s),2924(d),2875(s),1515(s),1493 (s),1428 (s),1383 (s),12 53 (s),1122 (s),1046 (s),838 (s) !1H-NMR (400MHz,CDCl3) : δ I. 42 (t,3H,CH3), I. 96-2. 06( m,1Η,CH2),2· 23-2. 29 (m,1Η,CH2),2· 98-8. 15 (m,4Η,CH2),3· 36-3. 42 (m,1Η,CH),4· 04 (m,2 H, CH2-O), 6. 89 (d, 2H, Ar-H, J = 8. 4Hz), 7. 19 (d, 2H, Ar-H, J = 8. 4Hz), 8. 74 (s, 1H, Ar-H); ESI-MS (m/z) : 345. 3 ([M+H]+)。
[0031] 步骤E :7-(4-乙氧基苯基)-4-苄胺基-5, 6, 7, 8-四氢苯并[4, 5]噻吩并[2, 3-d] 嘧啶(化合物编号01)的制备
[0032] 将4-氯-7- (4-乙氧基苯基)-5, 6, 7, 8-四氢苯并[4, 5]噻吩并[2, 3-d]嘧啶 0. 5g(1.5mmol)与节胺0. 2g(1.5mmol)投入50mL前形瓶,加入正丁醇4. 8mL,加入三乙胺 0. 4g (4. 5mmol),加热回流反应5h,冷却析出固体,抽滤,用水IOOmL和乙醇30mL各洗涤1 次,自然风干后即得到淡黄色固体〇.5g,收率85. 0%。m.p. :194-196°C ;IR: (KBAcm1)Sd 27 (m),2920 (s),2852 (s),1641 (m),1572 (s),1512 (s),1384 (s),1242 (s),1115 (m),825 (s), 782 (s),747 (s),697 (s),620 (s) !1H-NMR (400MHz,CDCl3) : δ I. 41 (t,3H,CH3), I. 96-2. 06 (m, 1H, CH2), 2. 16-2. 21 (m, 1H, CH2), 2. 88-3. 11 (m, 5H, 2 X CH2, CH), 4. 03 (m, 2H, CH2), 4. 82 (d, 2H, CH2-N), 5. 56 (t, 1H, NH), 6. 86 (d, 2H, Ar-H, J = 8. 4Hz), 7. 16 (d, 2H, Ar-H, J = 8. 4Hz), 7. 28-7. 38 (m, 5H, Ar-H),8. 45 (s, 1H, Ar-H) ;ESI-MS (m/z) : 416. I ([M+H]+) 〇
[0033] 实施例2 :7-(4-乙氧基苯基)-4-(2-氯苄胺基)-5, 6, 7, 8-四氢苯并[4, 5]噻吩 并[2, 3-d]嘧啶(化合物编号02)的制备
[0034] 参照实例1的方法,制得7-(4-乙氧基苯基)-4-(2-氯苄胺基)-5, 6, 7, 8-四氢 苯并[4, 5]噻吩并[2, 3-d]嘧啶(化合物编号02)0. 4g,收率63. 1 %。:167-169°C ; IR: (KBr, cm 3 3441 (m),2921 (s),2851 (s),1640(m),1571(s),1512(s),1384(s),1245 (s ),1115(m),1044(s),826(s),761 (s),620(s) !1H-匪R(400MHz,CDCl3) : δ I. 41 (t,3H,CH3 ),1. 98-2. 08 (m, 1H, CH2), 2. 21-2. 25 (m, 1H, CH2), 2. 87-2. 95 (m, 1H, CH2), 3. 00-3. 09 (m, 4 H, CH2, CH), 4. 03 (m, 2H, CH2), 4. 90 (t, 2H, CH2-N), 5. 86 (t, 1H, NH), 6. 87 (d, 2H, Ar-H, J = 8. 8Hz), 7. 17 (d, 2H, Ar-H, J = 8. 8Hz), 7. 23-7. 25 (m, 2H, Ar-H), 7. 38-7. 41 (m, 1H, Ar-H), 7. 50-7. 53 (m, 1H, Ar-H), 8. 42 (s, 1H, Ar-H) ;ESI-MS (m/z) : 450. 0 ([M+H]+)。
[0035] 实施例3 :7-(4-乙氧基苯基)-4-(4-氟苄胺基)-5, 6, 7, 8-四氢苯并[4, 5]噻吩 并[2, 3-d]嘧啶(化合物编号03)的制备
[0036] 参照实例1的方法,制得7-(4-乙氧基苯基)-4-(4-氟苄胺基)-5, 6, 7, 8-四氢 苯并[4, 5]噻吩并[2, 3-d]嘧啶(化合物编号03)0. 4g,收率65. 1 %。m.p· :208-210°C ; IR: (KBr, 0111^3429(111),2921 (8),2851 (8), 1640 (m), 1571 (s), 1511 (s), 1384 (s), 1243(d), I 115 (m), 830 (s),780 (s),620 (s) !1H-NMR (400MHz, CDCl3) : δ I. 41 (t, 3H, CH3), I. 97-2. 07 (m, 1H, CH2), 2. 19-2. 22 (m, 1H, CH2), 2. 92-3. 11 (m, 5H, 2 X CH2, CH), 4. 03 (m, 2H, CH2), 4. 79 (d, 2H, CH2-N), 5. 54 (t, 1H, NH), 6. 86 (d, 2H, Ar-H, J = 8. 8Hz), 7. 04 (t, 2H, Ar-H), 7. 16 (d, 2H, Ar-H ,J = 8. 8Hz), 7. 33-7. 37 (m, 2H, Ar-H), 8. 44 (s, 1H, Ar-H) ;ESI-MS (m/z) : 434. I ([M+H]+)。
[0037] 实施例4 :7-(4-乙氧基苯基)-4-(4-甲氧基苄胺基)-5, 6, 7, 8-四氢苯并[4, 5] 噻吩并[2, 3-d]嘧啶(化合物编号04)的制备
[0038] 参照实例1的方法,制得7- (4-乙氧基苯基)-4- (4-甲氧基苄胺基)-5, 6, 7, 8-四 氢苯并[4,5]噻吩并[2,3-d]嘧啶(化合物编号04)0.4g,收率66. 2%。m.p. :190-192°C; IR: (KBr, cm 〇 3437 (m),2921 (s),2851 (s),1640 (m),1570 (s),1512 (s),1384 (s),1245 (d) ,1178 (s),1115 (m),823 (s),781 (s),620 (s) !1H-Nmr(^oMHz1CDCI3) : δ 1.41 (t,3H,CH3), I .98-2. 05 (m, 1Η, CH2), 2. 17-2. 20 (m, 1Η, CH2), 2. 93-3. 09 (m, 5Η, 2XCH2, CH), 3. 81 (s, 3Η, CH 3-0), 4. 02 (m, 2Η, CH2), 4. 73 (d, 2Η, CH2-N), 5. 48 (brs, 1Η, ΝΗ), 6. 85-6. 91 (m, 4Η, Ar-H), 7. 15(d, 2Η, Ar-H, J = 8. 4Ηζ), 7. 31 (d, 2Η, Ar-H, J = 8. 4Ηζ), 8. 45 (s, 1Η, Ar-H) ;ESI-MS(m/ ζ) : 446. I ([Μ+Η]+)。
[0039] 实施例5 :7-(4-羟基苯基)-4-苄胺基-5, 6, 7, 8-四氢苯并[4, 5]噻吩并[2, 3-d] 嘧啶(化合物编号05)的制备
[0040] 步骤A :4_氯-7-(4-羟基苯基)-5, 6, 7, 8-四氢苯并[4, 5]噻吩并[2, 3-d]嘧啶 的制备
[0041] 将4-氯-7-(4-乙氧基苯基)-5, 6, 7, 8-四氢苯并[4, 5]噻吩并[2, 3-d]嘧啶 2. 5g(7. 2mmol)和无水三氯化错2. 9g(21. 6mmol)投入IOOmL前形瓶,加入甲苯50mL,加热 回流搅拌,反应30min后,停止反应,向反应体系中加入水100mL,室温下搅拌3h,抽滤,自 然风干,经柱层析(甲醇:二氯甲烷=1:40)分离得到黄色固体l.lg,收率48.5%。m.p.: 202-204 °C ;IR: (1^6 01^)3261 (111),2907(111), 1561 (s), 1540 (s), 1513 (s), 1487 (s), 1384 (s ),1221 (s), 1171 (s), 1131 (s), 845 (s) !1H-Nmr(^oMHzjDMSO) : δ 1.91-2. 00 (m, IH1CH2), 2. 09-2. 14 (m, 1H, CH2), 2. 93-3. 08 (m, 3H, CH2), 3. 13-3. 17 (m, 1H, CH2), 3. 25 (brs, 1H, CH), 6. 72 (d, 2H, Ar-H, J = 8. 4Hz), 7. 14 (d, 2H, Ar-H, J = 8. 4Hz), 8. 84 (s, 1H, Ar-H),
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