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      2-巰基乙酰胺類截短側(cè)耳素衍生物及制備方法與醫(yī)藥用圖_3

      文檔序號:9245076閱讀:來源:國知局
      1-144°〇。
      [0047] 去氧-(2-碘代乙酸酯)-木替林(12)的制備: 將I. 08g碘化鉀(6. 54mmol)溶于20ml丙酮,在油浴65°C時(回流),加入對甲苯磺?;?截短側(cè)耳素(2)3g (5. 64_〇1),回流反應(yīng),TLC監(jiān)測至原料反應(yīng)完全,停止反應(yīng)降溫,減壓蒸 干反應(yīng)液,用氯仿溶解,水洗,無水硫酸鈉干燥過夜。除去干燥劑,濾液減壓蒸發(fā)至干,所得 油狀殘留物用乙酸乙酯重結(jié)晶,得干燥白色晶體2.48。產(chǎn)率87.3%。熔點為116-118°〇 14-去氧-[[2-[2-甲氧基-2-氧代乙基]硫基]乙酸酯]-木替林(13)的制備 在冰浴中,將0.23 g (2. 16mmol)巰基乙酸甲酯和芐基三乙基氯化銨0.0 lg溶解在 2ml 10% NaOH水溶液中,緩慢滴加25ml 14-去氧-(2-碘代乙酸酯)-木替林(12) (1.00 g,2. 04 mmol)的THF溶液,滴畢,反應(yīng)繼續(xù)在冰鹽浴環(huán)境下進(jìn)行。2h后反應(yīng)結(jié)束。減壓蒸 去THF,加入乙酸乙酯和水萃取,分出有機(jī)相用飽和NaCl再洗滌一次,合并有機(jī)相,無水硫 酸鈉干燥。干燥后減壓蒸干。柱層析分離,洗脫劑為乙酸乙酯:石油醚=2:1,得白色固體 〇. 67g,熔點為90~91°C,收率70%。
      [0048] 本化合物核磁共振的實驗數(shù)據(jù)為1HNMR (CDC13,400 MHz) : δ 6.41 (1H,dd, Jl=IL 2, J2=17. 6, H19),5· 69 (1H,d,J=8. 4, H14),5· 28 (1H,d,J=IL 2, H20),5· 14 (1H, d,J=17.2,H20),3.67 (3H,s,H25),3.30 (lH,s,11-OH),3.29 (2H,s,H23),3.25 (2H,s, H22),2. 31-1. 99 (6H,m,Hll,H2, H4, H10, H13),I. 73-1. 03(13H,m,Hl,H6, H7, H8,H15, H13, H18),0· 82 (3H,d,J=7. 2, H17),0. 67 (3H,d,J=6. 8, H16); 核磁共振碳譜為 13CNMR (CDCl3, 400 MHz): δ 217. 02 (C3),170.21 (C24),168.31 (C21),139.05 (C19),117.23 (C20),74.63 (C14),69.61 (Cll),58.16 (C4),52.51 (C25),45.46 (C5),44. 77 (Cl),43.95 (C22),41.79 (C23),36. 75 (C10),36.01 (C8),34.46 (C2),34.22 (C13),33.22 (C12),30.42 (C6),26.85 (C7),26.38 (C9), 24.84 (C18),16.81 (C16),14.88 (C15),11.50 (C17); 電噴霧電離質(zhì)譜為:ESI-MS(m/z): 489 [M+Na]+。
      [0049] 去氧-[[2-[2-[4-甲基哌嗪-I-基]-2-氧代乙基]硫基]乙酸酯]-木替林(I ^ 的制備: 將化合物13 (1.00g,2. 14mmol)、無水三氯化鋁(0. 26g,1.93mmol)和無水二氯甲烷 (IOmL)加至50mL單口瓶中,攪拌至氯化鋁溶解。用恒壓滴液漏斗向單口瓶中滴加 N-甲基 哌嘆(CL 26g,2. 57 mmol)、三乙胺(0.59g,5.79 mmol)和無水二氯甲燒(IOmL)的混合溶 液。約5min滴加完畢,加熱回流下攪拌50min,TLC監(jiān)測反應(yīng)(MeOH: EA=1:9)。反應(yīng)畢,反 應(yīng)液中加入0. 5mol/L鹽酸(20mL),攪拌,靜置分液。水相用二氯甲烷(20mLX 2)萃取,合并 有機(jī)相,經(jīng)無水硫酸鈉干燥后過濾,濾液濃縮后得粗產(chǎn)品,粗產(chǎn)品經(jīng)柱層析純化得到白色固 體0· 87g,熔點為62~63°C,產(chǎn)率76%。
      [0050] 本化合物核磁共振的實驗數(shù)據(jù)為1HNMR (CDCl3, 400 MHz) : δ 6.41 (1H,dd, Jl=IL 2, J2=17. 6, H19),5· 68 (1H,d,J=8. 8, H14),5· 27 (1H,dd,Jl=L 2, J2=ll. 2, H20), 5.14 (lH,dd,Jl=1.2,J2=17.6,H20),3.58 (lH,s,ll-OH),3.46 (2H,t,J=4.8,H25),3.38 (2H,s,H23),3.30 (2H,t,J=3.2,H25),3.25 (lH,d,J=6.0,H11),3.21 (2H,s,H22),2.40 (4H,m,H26),2. 28 (3H,s,H27),2. 25-1. 96 (5H,m,H2, H4, H10, H13),I. 73-1. 03(13H,m, H1,H6,H7,H8,H15,H13,H18),0.82 (3H,d,J=H17),0.67 (3H,d,J=H16); 核磁共振碳譜 13CNMR (CDCl3, 400 MHz): δ 217.02 (C3),168.51 (C21), 166. 84 (C24),139. 16 (C19),117. 14 (C20),74.61 (C14),69. 62 (Cll),58.15 (C4), 54.85 (C26),54.45 (C26),45.99 (C25),45.80 (C25),45.45 (C5),44.73 (C27), 43. 98 (Cl),41.80 (C22),41. 61 (C10),36.74 (C23),36.01 (C8),34.46 (C2),34.40 (C13),33.53 (C12),30.41 (C6),26.86 (C7),26.43 (C9),24.83 (C18),16.89 (C16), 14. 92 (C15),11. 50 (C17); 電噴霧電離質(zhì)譜為ESI-MS(m/z) : 535 [M+H] +。
      [0051] 實施例2 14-去氧-[[2-[2-[4-乙基哌嗪-I-基]-2-氧代乙基]硫基]乙酸酯]-木替林(I 2) 的制備: 參照I1的制備方法,由(13)與4-乙基哌嗪反應(yīng)制得,白色固體0.85g,熔點為60~ 61°C,產(chǎn)率 72%。
      [0052] 本化合物核磁共振的實驗數(shù)據(jù)為1HNMR (CDC13,400 MHz) : δ6. 40(1H,dd, Jl=IL 2, J2=17. 6, H19),5· 67 (1H,d,J=8. 4, H14),5· 26 (1H,d,J=IO. 8, H20),5· 15 (1H, d,J=17.2,H20),3.68 (2H,s,H23),3.57 (2H,s,H22),3.41 (lH,s,11-OH),3.37 (2H,d, J=0.4,H11),3.33-3.21 (6H,m,H25, H27),2.62 (lH,s,H4),2.55 (4H,t,J=6.0,H26), 2.29-1.96 (4H,m,H2,H10,H13),I. 73-1. 03 (16H,m,Hl,H6,H7, H8,H15, H13,H18,H28), 0· 82 (3H,d,J=6. 8, H17),0· 67 (3H,d,J=6. 8, H16): 核磁共振碳譜 13CNMR (CDCl3, 400 MHz): δ 216. 99 (C3),168. 52 (C21),166.80 (C24),139.20 (C19),117.12 (C20),74.60 (C14),69.73 (Cll),58.13 (C4),52.32 (C26),52.23 (C27),51.86 (C25),45.44 (C5),44.68 (Cl),43.99 (C22),41.81 (CIO), 41.02CC23), 36. 71 (C8), 36. 02 (C2), 34. 48 (C13), 33. 49 (C12), 30. 39 (C6), 26. 87 (C7),26.45 (C9),24.82 (C18),16.89 (C16),14.91 (C15),11.49 (C28), 11. 14 (C17); 電噴霧電離質(zhì)譜為ESI-MS(m/z) :549 [M+H] +。
      [0053] 實施例3 14-去氧-[[2-[2-[4-丙基哌嗪-I-基]-2-氧代乙基]硫基]乙酸酯]-木替林(I 3) 的制備方法: 參照I1的制備方法,由(13)與4-丙基哌嗪反應(yīng)制得,白色固體0. 88g,熔點為59~ 61 °C,產(chǎn)率 73%。
      [0054] 本化合物核磁共振的實驗數(shù)據(jù)為1HNMR (CDCl3, 400 MHz) : δ 6.41 (1H,dd, Jl=IL 2, J2=17. 6, H19),5· 68 (1H,d,J=8. 8, H14),5· 27 (1H,dd,Jl=L 2, J2=10. 8, H20), 5.15 (lH,dd,Jl=1.2,J2=17.2,H20),4.30 (lH,s,ll-OH),3.55 (2H,m,H25),3.42 (2H,t, J=5.2,H25),3.38 (2H,s,H23),3.25 (lH,d,J=5. 2, Hll),3.20 (2H,s,H22),2.39 (4H,t, J=5. 2,H26),2. 34 (2H,t,J=5. 2,H27),2. 29-1. 98 (5H,m,H2,H4,H10,H13),I. 72-0. 81(21H, m,Hl,H6, H7, H8, H15, H28, H13, H18, H17, H29),0· 67(3H,d,J=7. 2, H16); 核磁共振碳譜為 13CNMR (CDCl3, 400 MHz) :13C NMR(K)O MHz,CDCl3) : δ 217. 05(C3), 168. 54 CC21), 166. 76 (C24), 139. 17 (C19), 117. 12 (C20), 74. 60 (C14), 69.56 (Cll),60.39 (C4),58.16 (C27),53.24 (C26),52.72 (C26),46.30 (C25),45.45 (C5), 44. 75 CC25), 43. 98 (Cl),41. 9 (C22), 41. 79 (CIO), 36. 75 (C23), 36. 02 (C8), 34.47 (C2),34.36 (C13),33.5 (C12),30.42 (C6),26.86 (C7),26.43 (C9),24.84 (C18),19.91 (C28),16.89 (C16),14.93 (C15),11.85 (C17),11.50 (C29); 電噴霧電離質(zhì)譜為ESI-MS(m/z): 563 [M+H]+。
      [0055] 實施例4 14-去氧-[[2-[2-[4-異丙基哌嗪-I-基]-2-氧代乙基]硫基]乙酸酯]-木替林(I 4) 的制備: 參照I1的制備方法,由(13)與4-異丙基哌嗪反應(yīng)制得,白色固體0. 94g,熔點為60~ 61°C,產(chǎn)率 78%。
      [0056] 本化合物核磁共振的實驗數(shù)據(jù)為1HNMR (CDCl3, 400 MHz) : δ 6.41 (1H,dd, Jl=IO. 8, J2=17. 2, H19),5· 68 (1H,d,J=8. 4, H14),5· 27 (1H,dd,Jl=L 2, J2=10. 8, H20), 5.14 (lH,dd,Jl=1.2,J2=17.2,H20),3.57 (2H,t,J=4.4,H25),3.53 (lH,s,ll-OH),3.45 (2H,t,J=4.4,H25),3.37 (2H,s,H23),3.25 (lH,d,J=5.6,Hll),3.21 (2H,s,H22),2.70 (lH,m,H27),2.51 (2H,t,J=4.4,H26),2.46 (2H,t,J=4.8,H26),2.30-1.98 (5H,m,H2, H4, H10, H13),I. 72-1. 06 (13H,m,Hl,H6, H7, H8, H15, H13,H18),I. 00 (6H,d,J=6. 8, H28), 0· 82 (3H,d,J=6. 8, H17),0· 67 (3H,d,J=6. 8, H16); 核磁共振碳譜為 13CNMR (CDCl3, 400 MHz) : δ 217. 03 (C3),168. 56 (C21),166.74 (C24),139. 16(C19),117. 13(C20),74. 61(C14),69. 58 (C11),58. 16(C27),54. 74 (C4), 48. 72CC25), 48. 14CC25), 46. 43(C26), 45. 45(C5), 44. 74CC26), 43.97 (Cl), 42. 00 (C22),41. 80 (C10),36.74 (C23),36.02 (C8),34.46 (C2),34.41 (C13), 33. 56 CC12), 30. 42 (C6), 26. 86 (C7), 26. 42 (C9), 24. 84 (C18), 18. 27 (C28), 16.87 (C16),14. 92 (C15),11. 49 (C17); 電噴霧電離質(zhì)譜為ESI-MS(m/z): 563 [M+H]+· 實施例5 14-去氧-[[2-[2-[4-正丁基哌嗪-I-基]-2-氧代乙基]硫基]乙酸酯]-木替林(I 5) 的制備: 參照I1的制備方法,由(13)與4-正丁基哌嗪反應(yīng)制得,白色固體0. 89g,熔點為60~ 61°C,產(chǎn)率 72%。
      [0057] 本化合物核磁共振的實驗數(shù)據(jù)為1HNMR (CDCl3, 400 MHz) : δ 6.48 (1H,dd, J1=11.2,J2=17.6,H19),5.75 (lH,d,J=8.4,H14),5.33 (lH,d,J=10.8,H20),5.21 (1H, d,J=17. 2, H20),3. 73(1H,s,11-OH),3. 67(2H,br,H25),3. 54 (2H,br,H25),3. 44 (2H,s, H23),3.32 (lH,d,J=6.4,Hll),3.28 (2H,s,H22),2.54 (2H,br,H26),2.49 (2H,br,H26), 2. 41(2H,t,J=7. 2,Η27),2· 35-2. 03 (5H,m,H2,H4,H10,H13),I. 80-1. 10
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