岩白菜素类衍生物及其制备方法和应用_4

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3 (2H, 2ArH).
[0117] 以实施例4制得的化合物5为原料,反应条件及原料用量比和制备化合物2d的反 应条件及原料用量比相同,制备得到8-0-(5-(4_溴-1-苯巯基)戊基))-岩白菜素(化合 物 5d,30.3mg,产率 75%)
[0118]
[0119] 化合物 5d:白色针状结晶,ESI-MSm/z:620. 5[M+C1]、iH-NMRGOOMHz^eOD)S:1 .76 (6H,overlap, 3CH2), 3. 00 (2H,t,SCH2), 3. 45 (1H,dd,J= 9. 0Hz, 9. 0Hz,H-3), 3. 56 (1H,m ,H-lla), 3. 70 (2H,overlap,H-2,H-llb), 3. 88 (3H,s, 0CH3), 3. 97 (2H,overlap,H-4,H-4a), 4. 08 (2H, 0CH2), 5. 00 (1H,d,J= 9Hz,H-10b), 7. 25 (2H,m, 2ArH), 7. 33 (1H,s,ArH), 7. 42 (2H, m, 2ArH).
[0120] 实施例9 8-0-(2-(4-甲基-1-苯巯基)乙基))-岩白菜素,8-0-(3-(4-甲 基-1-苯巯基)丙基))-岩白菜素,8-0-(4-(4_甲基-1-苯巯基)丁基))-岩白菜素及 8-0-(5-(4_甲基-1-苯巯基)戊基))-岩白菜素的合成
[0121] 称取30mg(0. 069mmol)实施例1制得的化合物2,用5mL乙腈溶解,室温下加入对 甲苯硫酸(13mg,0.lOmmol)及碳酸钾(10mg,0. 069mmol),氮气保护下逐渐加热至70°C,TLC 监测至反应完全。反应结束后过滤除去不溶物,减压蒸除滤液有机溶剂后得到的残留物, 用硅胶柱层析,洗脱剂为二氯甲烷/甲醇=25:1,得到8-0-(2-(4_甲基-1-苯巯基)乙 基))-岩白菜素(化合物2e,23.0mg,产率70% )。
[0122]
[0123]化合物2e :白色针状结晶,ESI-MS m/z:513. 5[M+C1]、iH-NMRGOOMHz^eOD) S : 2. 31 (3H, s, ArCH3), 3. 28 (2H, t, SCH2), 3. 45 (1H, dd, J = 9. OHz, 9. OHz, H-3), 3. 69 (2H, ove rlap, 11-Ha, H-2), 3. 83 (1H, H-l lb), 3. 88 (3H, s, 0CH3), 4. 02 (1H, H-4), 4. 08 (1H, H-4a), 4 .18 (2H, t, 0CH2), 4. 98 (1H, d, J = 9Hz, H-10b), 7. 14 (3H, overlap, 3ArH), 7. 35 (2H, d, J = 6. 0Hz, 2ArH).
[0124] 以实施例2制得的化合物3为原料,反应条件及原料用量比和制备化合物2e的反 应条件及原料用量比相同,制备得到8-0-(3-(4-甲基-1-苯巯基)丙基))-岩白菜素(化 合物 3e,28.Omg,产率 85% )。
[0125]
[0126]化合物3e :白色针状结晶,ESI-MS m/z:527. 5[M+C1]、iH-NMRGOOMHz^eOD) S :2 .06 (2H, m, CH2) 2. 30 (3H, d, ArCH3) ,3.11 (2H, t, SCH2), 3. 45 (1H, dd, J = 9. 0Hz, 9. 0Hz, H-3), 3 .55 (1H, 11-Ha), 3. 69 (1H, H-2), 3. 79 (1H, H-l lb), 3. 89 (3H, s, 0CH3), 3. 97 (2H, overlap, H-4 ,H-4a), 4. 13 (2H, m, 0CH2), 4. 98 (1H, d, J = 9Hz, H-10b), 7. 11 (2H, m, 2ArH), 7. 17 (1H, s, ArH) ,7. 30 (2H, m, 2ArH).
[0127]以实施例3制得的化合物4为原料,反应条件及原料用量比和制备化合物2e的反 应条件及原料用量比相同,制备得到8-0-(4-(4-甲基-1-苯巯基)丁基))-岩白菜素(化 合物 4e,26. 7mg,产率 82% )。
[0128]
[0129]化合物4e :白色针状结晶,ESI-MS m/z:541. 5[M+C1]、iH-NMRGOOMHz, MeOD) S : 1 .81 (2H, m, CH2), 1. 95 (2H, m, CH2), 2. 31 (3H, s, ArCH3), 2. 99 (2H, t, SCH2), 3. 45 (1H, H-3), 3. 70 (2H, overlap, 11-Ha, H-2), 3. 81 (3H, s, 0CH3), 3. 851 (1H, H-llb), 4. 06 (4H, overlap, 0CH2, H-4, H-4a), 5. 00 (1H, d, J = 10. 5Hz, H-10b), 7. 11 (2H, d, J = 6. 0Hz, 2ArH), 7. 21 (1H, s, ArH), 7 .26 (2H, d, J = 9. 0Hz, 2ArH).
[0130] 以实施例4制得的化合物5为原料,反应条件及原料用量比和制备化合物2e的反 应条件及原料用量比相同,制备得到8-0-(5-(4-甲基-1-苯巯基)戊基))-岩白菜素(化 合物 5e,25.Omg,产率 76% )
[0131]
[0132]化合物5e :白色针状结晶,ESI-MS m/z: 555. 3 [M+Cl] \ iH-NMRGOOMHz, MeOD) 8:1. 67 (4H, m, 2CH2), 1. 83 (2H, m, CH2), 2. 30 (3H, s, ArCH3), 2. 93 (2H, t, SCH2), 3. 46 (1H ,dd, J = 9. 0Hz, 9.0Hz, H-3), 3.70 (2H,m, 11-H), 3.84 (lH,dd,J = 9. 0Hz, 9. 0Hz, H-2), 3. 88 (3H, s, 0CH3), 4. 01 (1H, H-4), 4. 04 (1H, H-4a), 4. 09 (2H, overlap, 0CH2), 4. 99 (1H, d ,J = 9. 0Hz, H-lOb), 7. 10(2H, d, J = 6. 0Hz, 2ArH), 7. 20 (1H, s, ArH), 7. 24 (2H, d, J = 9. 0Hz, 2ArH).
[0133] 实施例10 8-0-(2_(4-溴-1-苯酚基)乙基))-岩白菜素,8-0-(3_(4-溴-1-苯 酸基)丙基))_岩白菜素,8-〇-(4-(4_溴-1-苯酸基)丁基))-岩白菜素及 8-0- (5- (4-溴-1-苯酚基)戊基))-岩白菜素的合成
[0134] 称取30mg(0. 069mmol)实施例1制得的化合物2,用5mL乙腈溶解,室温下加入对 溴苯酚(10y1,0.lOmmol)及碳酸钾(l〇mg,0. 〇69mmol),氮气保护下逐渐加热至70°C,TLC 监测至反应完全。反应结束后过滤除去不溶物,减压蒸除滤液有机溶剂后得到的残留物,用 硅胶柱层析,洗脱剂为二氯甲烷/甲醇=25 :1,得到8-0- (2- (4-溴-1-苯酚基)乙基))-岩 白菜素(化合物2f,27.3mg,产率75% )。
[0135]
[0136] 化合物 2f:白色针状结晶,ESI-MSm/z:562. 5[M+C1] \iH-NMRGOOMHz^eOD)S:3 ?42 (2H,overlap,H-3, 11-Ha),3. 70 (1H,dd,J= 9. 0Hz,9. 0Hz,H-2),3. 80 (1H,m,H-llb),3. 84 (3H, s, 0CH3), 4. 06 (1H, dd, J = 9. 0Hz, 9. OHz, H-4), 4. 12 (1H, dd, J = 9. OHz, 9. OHz, H-4a) ,4. 38 (4H, overlap, 20CH2), 5. 00 (1H, d, J = 9Hz, H-10b), 6. 94 (2H, d, J = 9. OHz, 2ArH), 7. 3 2 (1H, s, ArH), 7. 42 (2H, d, J = 9. OHz, 2ArH).
[0137] 以实施例2制得的化合物3为原料,反应条件及原料用量比和制备化合物2f的反 应条件及原料用量比相同,制备得到8-0-(3-(4_溴-1-苯酚基)丙基))-岩白菜素(化合 物 3f,30.4mg,产率 85% )。
[0138]
[0139]化合物3f :白色针状结晶,ESI-MS m/z:576. 5[M+C1]、iH-NMRGOOMHz^eOD) S :2 ? 09 (2H,m,CH2),3. 45 (1H,H-3),3. 55 (1H,H-lla),3. 70 (1H,overlap, H-2),3. 82 (1H,H-llb) ,3. 88 (3H, s, 0CH3),3. 99 (2H, overlap, H-4, H-4a),4. 14 (4H, 20CH2),5. 00 (1H, d, J = 9Hz, H-10b), 7. 27 (3H, overlap, 3ArH), 7. 40 (2H, d, J = 9. 0Hz, 2ArH).
[0140] 以实施例3制得的化合物4为原料,反应条件及原料用量比和制备化合物2f?的反 应条件及原料用量比相同,制备得到8-0-(4-(4_溴-1-苯酚基)丁基))-岩白菜素(化合 物 4f,29.5mg,产率 85% )。
[0141]
[0142]化合物4f :白色针状结晶,ESI-MS m/z: 590. 5 [M+C1]、iH-NMRGOOMHz, MeOD) 8:2. 00 (4H, m, 2CH2), 3. 46 (1H, dd, J = 9. 0Hz, 9. 0Hz, H-3), 3. 50 (1H, m, H-l la), 3. 69 (2H, ov erlap, H-2, H-l lb), 3. 88 (3H, s, 0CH3), 4. 00 (2H, overlap, H-4, H-4a), 4. 10 (4H, overlap, 20 CH2), 4. 99 (1H, d, J = 9Hz, H-10b), 6. 86 (2H, d, J = 9. 0Hz, 2ArH), 7. 23 (1H, s, ArH), 7. 37 (2H ,d, J = 9. 0Hz, 2ArH).
[0143]以实施例4制得的化合物5为原料,反应条件及原料用量比和制备化合物2f的反 应条件及原料用量比相同,制备得到8-0-(5-(4_溴-1-苯酚基)戊基))-岩白菜素(化合 物 5f,28.6mg,产率 8〇% )
[0144]
[0145]化合物5f :白色针状结晶,ESI-MS m/z:604. 5[M+C1]、iH-NMRGOOMHz^eOD) 8:1. 77 (6H, m, 3CH2), 3. 46 (1H, dd, J = 9. OHz, 9. OHz, H-3), 3. 58 (1H, m, H-lla), 3. 70 (2H, m, H-2), 3. 81 (1H, m, H-llb), 3. 88 (3H, s, 0CH3), 3. 99 (2H, overlap, H-4, H-4a), 4. 08 (4H, overl ap, 20CH2), 4. 97 (1H, d, J = 9Hz, H-10b), 6. 84 (2H, d, J = 9. 0Hz, 2ArH), 7. 21 (1H, s, ArH), 7. 36 (2H, d, J = 9. 0Hz, 2ArH).
[0146]实施例11 8-0-(2_(4-甲基-1-苯酚基)乙基))-岩白菜素,8-0-(3_(4-甲 基-1-苯酚基)丙基))-岩白菜素,8-0-(4-(4_甲基-1-苯酚基)丁基))-岩白菜素及 8-0-(5-(4_甲基-1-苯酚基)戊基))-岩白菜素的合成
[0147]称取30mg(0. 069mmol)实施例1制得的化合物2,用5mL乙腈溶解,室温下加入对 甲苯酸(llmg, 0. lOmmol)及碳酸钾(10mg, 0. 069mmol),氮气保护下逐渐加热至70°C,TLC监 测至反应完全。反应结束后过滤除去不溶物,减压蒸除滤液有机溶剂后得到的残留物,用硅 胶柱层析,洗脱剂为二氯甲烷/甲醇=25:1,得到8-0-(2-(4_甲基-1-苯酚基)乙基))-岩 白菜素(化合物2g 24. Omg,产率76%)。
[0148]
[0149]化合物2g :白色针状结晶,ESI-MS m/z:497. 5[M+C1]、4-匪1?(300MHz, DMS0) 8:2. 23 (3H, s, ArCH3), 3. 21 (1H, dd, J = 9. 0Hz, 9. 0Hz, H-3), 3. 44 (1H, m, H-lla), 3. 55 (1 H, m, H-2), 3. 63 (1H, m, H-llb), 3. 77 (3H, s, 0CH3), 3. 82 (1H, overlap, H-4), 4. 03 (1H, t, H-4a), 4. 29 (2H, m, 0CH2), 4. 34 (2H, m, 0CH2), 5. 04 (1H, d, J = 9Hz, H-10b), 6. 86 (2H, d, J = 9. 0Hz, 2ArH), 7. 09 (2H, d, J = 9. 0Hz, 2ArH), 7. 17 (1H, s, ArH).
[0150] 以实施例2制得的化合物3为原料,反应条件及原料用量比和制备化合物2g的反 应条件及原料用量比相同,制备得到8-0-
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