通过以下实施例进一步说明本发明。实施例1制备10β-氟-10-脱氧-10-二氢青蒿素(10β-氟-10-脱氧二氢青蒿素)(式Ⅰ:Y=F)
在通氮气下,将二氢青蒿素(1.136g,4mmol)的二氯甲烷(24ml)溶液冷却至0℃,加入三氟化二乙氨基硫(DAST)(0.6ml,4.8mmol)。将反应混合液温热至室温,然后在通氮气下搅拌24小时。再将该黄色溶液冷却至0℃,加入Na2CO3溶液(5%,20ml),室温下将混合液搅拌2小时。分离两相后,将有机层用1摩尔HCl、5%NaHCO3和水洗涤,经MgSO4干燥。蒸除溶剂后,立即将残留物经快速柱层析(10%乙酸乙酯/己烷)纯化2次,然后用己烷重结晶(289mg,50.5%);1H NMR(300MHz,CDCl3):δppm 0.97(d,J6-Me,6=6.1Hz,3H,6-CH3),1.00(d,J9- Me,9=7.4Hz,3H,9-CH3),1.13-1.47(m,3H),1.44(s,3H,3-CH3),1.47-1.72(m,4H),1.82-1.96(m,2H),2.05(ddd,J=14.6 Hz,J=4.9 Hz,J=3.0Hz,1H),2.39(td,J=13.5 Hz,J=4.0Hz,1H),2.64(dm,J9,F=36.1Hz,1H,H-9),5.60(dd,J10-F=54.4Hz,J10,9=2.4Hz,1H,H-10),5.56(d,J=1.83Hz,1H,H-12);19F NMR(282MHz,CDCl3):δ(ppm)=-136.43(dd,JF,10=54.1Hz,JF, 9=36.0Hz);MS(CI,NH3):m/z(%)=304[M+NH4 +](18),286[M+],284[304-HF](100),267(64),256(28),239(16),221(12),163(8),52(28)。
实施例2制备10β-苯基-10-脱氧-10-二氢青蒿素(10β-(苯基)二氢青蒿素)(式Ⅰ:Y=苯基)(a)制备10-(三甲基甲硅烷基氧基)二氢青蒿素(式Ⅱ:Q=-Si(CH3)3)方法1
向0℃、通氮气下的二氢青蒿素(1.51g,5.32mmol)的吡啶(20ml)溶液中滴加入氯代三甲基硅烷(5.20ml,mmol)。室温下,将混合液再搅拌1小时,然后倒入冰-水混合液中。将该溶液用乙醚(3x15ml)提取,干燥(MgSO4),真空浓缩。残留物经快速层析(SiO2;5%乙酸乙酯/己烷)纯化得到10-(三甲基甲硅烷基氧基)二氢青蒿素,为白色固体(1.47g,78%).δH5.49(1H,s,H-12),5.19(1H,d,J=3.05Hz,H-10),2.52-2.62(1H,m,H-9),2.39(1H,ddd,J=17.5,13.4,4.01Hz),2.04(1H,ddd,J=14.5,4.84,3.05Hz),1.20-1.97(9H,m),1.45(3H,s,H-14),0.97(3H,d,J=6.24 Hz,H-16),0.87(3H,d,J=7.29Hz,H-15),0.17(9H,s,(CH3)3Si)。方法2制备10α-(三甲基甲硅烷基氧基)二氢青蒿素(式Ⅱ:Q=-Si(CH3)3)
向0℃、通氮气下的二氢青蒿素(1.51g,5.32mmol)的二氯甲烷(40ml)溶液中滴加入三乙胺(0.94ml,6.65mmol)和氯代三甲基硅烷(0.84ml,6.65mmol)。室温下,将混合液再搅拌1小时,然后倒入冰-水混合液中。将该水溶液用二氯甲烷(2x20ml)提取。将合并的有机层干燥(MgSO4),真空浓缩。残留物经快速层析(SiO2;5%乙酸乙酯/己烷)纯化得到10α-(三甲基甲硅烷基氧基)二氢青蒿素,为白色固体(1.48g,78%).δH5.32(1H,s,H-12),4.76(1H,d,J=9.00Hz,H-10),2.25-2.45(2H,m,H-8,H-9),2.01(1H,m,H-4),1.89(1H,m,H-5),1.18-1.79(8H,m,H-2a,H-2b,H-3a,H-3b,H-6a,H-6b,H-7a,H-7b),1.31(3H,s,1-CH3),0.95(3H,d,J=5.83Hz,9-CH3),0.86(3H,d,J=7.14Hz,5-CH3),0.20(9H,s,Me3Si)ppm。(b)制备10-溴-10-脱氧-10-二氢青蒿素(10-溴青蒿素)(式Ⅰ:Y=Br)
在0℃下,将按以上(a)方法2制备的10α-(三甲基甲硅烷基氧基)二氢青蒿素(372mg,1.04mmol)的二氯甲烷(5ml)溶液用滴加的溴代三甲基硅烷(140μl,1.06mmol)处理。在0℃下,将混合液再搅拌30分钟即得10-溴青蒿素。(c)制备10β-苯基-10-脱氧-10-二氢青蒿素(10β-(苯基)二氢青蒿素)
(式Ⅰ:Y=苯基)
将以上(b)中制备的溶液真空浓缩。将残留物溶于乙醚(5ml)中。在0℃、通氮气下,向该溶液中加入苯基溴化镁(1.40ml,2.38mmol,1.7M)。然后在0℃下搅拌该混合液,再温热至室温过夜。然后将该溶液用饱和氯化铵溶液猝灭,干燥(MgSO4),真空浓缩。残留物经快速层析(SiO2;8%乙酸乙酯/己烷)纯化得到10β-苯基-10-脱氧-10-二氢青蒿素(10β-(苯基)二氢青蒿素),为白色固体(159mg,45%)。用乙醚/己烷混合液重结晶得到无色矩形晶体。M.p.122℃;[α]D 20-36.0°(c0.47/CHCl3);νmax(膜法)2938,2874,1494,1452,1376,1208,1112,1076,1058,1038,1010,954,944,904,882,852,820,740,700;δH7.19-7.34(5H,m,Ar-H),5.75(1H,d,J=6.70Hz,H-10),5.60(1H,s,H-12),2.71-2.84(1H,m,H-9),2.31-2.42(1H,m),1.65-2.12(5H,m),1.28-1.60(5H,m),1.41(3H,s,H-14),1.01(1H,d,J=5.77Hz,H-16),0.54(1H,d,J=7.68Hz,H-15);δC141.03,127.67,126.24,126.09,102.22,90.82,81.10,72.99,51.46,43.45,37.46,36.64,34.16,32.08,25.68,24.88,24.71,19.85,13.62;m/z(CI,CH4)345(M++1,14%),327(14),299(100);C21H28O4分析计算值:C,73.26;H,8.14;实测值:C,73.58;H,8.32。NOE-差频试验:照射于δ5.75处H-10的双重峰信号,在δ2.75处的H-9多重峰信号得到10%增加;由此说明H-10和H-9的立体化学是彼此顺式的。
实施例3制备10α-(4’-氟苄基氨基)-10-脱氧-10-二氢青蒿素(10α-(4’-氟苄基氨基)二氢青蒿素)(式Ⅰ:Y=-NR1R2;R1=H;R2=4-氟苄基)(a)制备10α-(三甲基甲硅烷基氧基)二氢青蒿素(式Ⅱ:O=-Si(CH3)3)
向0℃、通氮气下的二氢青蒿素(1.51g,5.32mmol)的二氯甲烷(40ml)溶液中滴加入三乙胺(0.94ml,6.65mmol)和氯代三甲基硅烷(0.84ml,6.65mmol)。室温下,将混合液再搅拌1小时,然后倒入冰-水混合液中。将该水溶液用二氯甲烷(2x20ml)提取。将合并的有机层干燥(MgSO4),真空浓缩。残留物经快速层析(SiO2;5%乙酸乙酯/己烷)纯化得到10α-(三甲基甲硅烷基氧基)二氢青蒿素,为白色固体(1.48g,78%)。δH5.32(1H,s,H-12),4.76(1H,d,J=9.00Hz,H-10),2.25-2.45(2H,m,H-8,H-9),2.01(1H,m,H-4),1.89(1H,m,H-5),1.18-1.79(8H,m,H-2a,H-2b,H-3a,H-3b,H-6a,H-6b,H-7a,H-7b),1.31(3H,s,1-CH3),0.95(3H,d,J=5.88Hz,9-CH3),0.86(3H,d,J=7.14Hz,5-CH3),0.20(9H,s,Me3Si)ppm。(b)制备10α-(4’-氟苄基氨基)-10-脱氧-10-二氢青蒿素(10α-(4’-氟苄
基氨基)二氢青蒿素) (式Ⅰ:Y=-NR1R2;R1=H;R2=4-氟苄基)
在0℃下,将按以上(a)中制备的10α-(三甲基甲硅烷基氧基)二氢青蒿素(214mg,0.600mmol)的二氯甲烷(5ml)溶液用滴加的溴代三甲基硅烷(80μl,0.600mmol)处理。在0℃下,将混合液再搅拌30分钟,然后通过套管转移至0℃下的4-氟苄基胺(140μl,1.20mmol)的四氢呋喃(5ml)溶液中。在0℃下搅拌混合液,再在室温下过夜。将该混悬液用饱和NaHCO3溶液洗涤,干燥(MgSO4),真空浓缩。残留物经快速层析(SiO2;15%乙酸乙酯/己烷)纯化得到10α-(4’-氟苄基氨基)-10-脱氧-10-二氢青蒿素(10α-(4’-氟苄基氨基)二氢青蒿素)(76.9mg,33%)和9,10-脱水-10-脱氧青蒿素(9,10-脱水-脱氢青蒿素)(84.7mg,53%)。均为白色固体。M.p.45.2-46.3℃;[α]D 20-18.2°(c0.055CHCl3);δH7.32-7.37(2H,m,Ar-H),6.95-7.02(2H,m,Ar-H),5.29(1H,s,H-12),4.10(1H,d,J=13.8Hz,H-1’),4.08(1H,d,J=9.76Hz,H-10),3.91(1H,d,J=13.8Hz,H-1’),2.33-2.42(2H,m),1.85-2.07(3H,m),1.65-1.77(2H,m),1.03-1.75(5H,m),1.46(3H,s,H-14),0.96(3H,d,J=6.02Hz,H-16),0.93(3H,d,J=7.19Hz,H-15);δC136.42(d,J=3.10Hz),129.30(d,J=7.97Hz),114.75(d,J=21.1Hz),103.90,91.35,85.47,80.60,51.66,47.50,45.82,37.23,36.26,34.03,32.72,26.03,24.61,21.70,20.15,14.06;δF-118;m/z(CI,CH4)392(M++1,90%),374(54),346(100),328(20),267(16),209(16),165(26),109(18);C22H30NO4F分析计算值:C,67.50;H,7.72;N,3.58;实测值:C,67.51;H,7.77;N,3.49。
实施例4制备10-(2’,4’-二甲氧基苯基)-10-脱氧-10-二氢青蒿素(10-(2’,4’-二甲氧基苯基)二氢青蒿素)(式Ⅰ:Y=2,4-二甲氧基苯基)(a)制备9.10-脱水-10-脱氧青蒿素(9,10-脱水青蒿素)
向0℃、通氮气下的二氢青蒿素(500mg,1.86mmol)的二氯甲烷(28ml)溶液中加入4-(N,N-二甲氨基)吡啶(37mg)和三氟乙酸酐(0.79ml,5.58mmol)。将混合液温热至室温,搅拌过夜。然后真空浓缩该溶液。残留物经快速层析(SiO2;乙醚∶己烷从0.5∶9.5至1.5∶8.5)纯化得到9,10-脱水-10-脱氧青蒿素(9,10-脱水青蒿素),为白色固体(180mg,25%).M.p.100℃;[α]D 20.5+155.74°(c.0.0101,CHCl3);νmax(膜法):2948,2922,2862,2850,1684,1432,1372,1334,1198,1178,1158,1142,1114,1078,1028,1016,992,954,944,904,880,828,812;δH6.18(1H,s,H-10),5.54(1H,s,H-12),2.40(1H,ddd,J=17.1,13.2,4.14Hz,H-9),2.00-2.09(2H,m),1.88-1.95(1H,m),1.07-1.73(8H,m),1.58(3H,d,J=1.37Hz,H-16),1.42(3H,s,H-14),0.98(3H,d,J=5.98Hz,H-15);m/z(EI)380(M+);C15H22O4分析计算值:C,67.67;H,8.27;实测值:C,67.63;H,8.51。(b)制备10-(2’,4’-二甲氧基苯基)-10-脱氧-10-二氢青蒿素(10-(2’,4’-二
甲氧基苯基)二氢青蒿素)(式Ⅰ:Y=2,4-二甲氧基苯基)
在室温、通氮气下,向按以上(a)中所述制备的9,10-脱水-10-脱氧青蒿素(9,10-脱水青蒿素)(191mg,0.71mmol)和1,3-二甲氧基苯(130μl,1.00mmol)的二氯甲烷(10ml)溶液中加入乙醚合三氟化硼(2滴)。再将溶液搅拌1小时,然后用20%盐酸溶液(5ml)猝灭。将该混合液用乙醚(3x20ml)提取,然后将乙醚提取液干燥(MgSO4),真空浓缩。残留物经快速层析(SiO2;15%乙酸乙酯/己烷)纯化得到10-(2’,4’-二甲氧基苯基)-10-脱氧-10-二氢青蒿素(10-(2’,4’-二甲氧基苯基)二氢青蒿素)(89.5,44%),为白色固体。δH7.56(1H,brd,J=8.4Hz,Ar-H),6.40-6.58(2H,m,Ar-H),5.43(1H,s,H12),5.42(1H,s,H-12’),5.16(1H,d,J=10.8Hz,H-10),4.96(1H,d,J=10.3Hz,H-10’),3.82,3.78(OMe),2.37-2.48(2H,m),1.05-2.07(10H,m),1.63(3H,s,H-14),1.34(3H,s,H-14’),1.00(3H,d,J=6.22Hz,H-16’),0.90-0.93(3H,m,H-15 & H-16),0.59(3H,d,J=7.22Hz,H-15’);m/z(CI,NH3)422(M+NH4 +,26%),406(84),405(M++1,54),389(80),359(100),330(30),317(40),300(14);C23H32O6分析计算值:C,68.29;H,7.97%;实测值:C,68.34;H,8.09。
实施例5制备10α-(2’-羟基-1’-萘基)二氢青蒿素(式Ⅰ:Y=2-OH萘基)(a)制备10β-(2’-萘氧基)二氢青蒿素
在℃、通氮气下,向二氢青蒿素(568mg,2.00mmol)和2-萘酚(288mg,2.00mmol)的四氢呋喃(10ml)溶液中加入三苯膦(524mg,4.00mmol)和偶氮二甲酸二乙酯(330μ1,2.00mmol)。室温下,将混合液搅拌过夜。然后真空浓缩该黄色溶液,残留物经快速层析(SiO2;5%乙酸乙酯/己烷)纯化得到10β-(2’-萘氧基)二氢青蒿素,为白色固体(185mg,23%)。(b)制备10α-(2’-羟基-1’-萘基)二氢青蒿素
在0℃下,向按以上(a)中所述制备的10β-(2’-萘氧基)二氢青蒿素(232mg,0.564mmol)的二氯甲烷(10ml)溶液中加入乙醚合三氟化硼(220μl)。将混合液温热至室温,再搅拌30分钟。将该溶液用10%碳酸氢钠溶液(2x5ml)洗涤,干燥(MgSO4),真空浓缩。残留物经快速层析(SiO2;10%乙酸乙酯/己烷)纯化得到10α-(2’-羟基-1’-萘基)二氢青蒿素(72.7mg),为白色固体。δH8.91(1H,s,OH),7.28-7.91(6H,m,Ar-H),5.57(1H,s,H-12),3.11-3.19(1H,m),1.28-2.55(11H,m),1.51(3H,s,H-14),1.04(3H,d,J=5.96Hz,H-16),0.63(3H,d,J=7.23Hz,H-16)。
实施例6制备10α-(4’-硫代吗啉代-1’-基)-10-脱氧-10-二氢青蒿素(10α-(硫代吗啉代)二氢青蒿素)(式Ⅰ:Y=硫代吗啉代)
使按以上实施例3(b)中所述制备的10α-(三甲基甲硅烷基氧基)二氢青蒿素的溴化物(356mg,1.00mmol)与硫代吗啉(300μl,3.00mmol)反应,经快速层析(8%乙酸乙酯/己烷)后得到10α-(硫代吗啉代)二氢青蒿素(243mg,66%),为白色固体。M.p.147.0-147.6℃;[α]D 20+17°(c 0.021/CHCl3);νmax(膜法)2924,2872,1454,1418,1376,1326,1278,1226,1198,1184,1154,1130,1100,1056,1038,1018,988,940,926,880,850,828,756;δH5.23(1H,s,H-12),3.93(1H,d,J=10.21Hz,H-10),3.20-3.28(2H,m),2.85-2.93(2H,m),2.53-2.68(5H,m),2.25-2.36(1H,m),1.93-2.01(1H,m),1.78-1.86(1H,m),1.63-1.70(2H,m),1.14-1.52(5H,m),1.36(3H,s,H-14),0.90-1.04(1H,m),0.91(3H,d,J=6.14Hz,H-16),0.76(3H,d,J=7.18Hz,H-15);δC103.70,92.28,91.42,80.11,51.54,50.39,45.66,37.19,36.14,34.12,28.15,25.84,24.59,21.44,20.15,13.41;m/z(CI,NH3)370(M++1,100),324(70),310(10);C19H31NO4S分析计算值:C,61.76;H,8.46;N,3.79%;实测值:C,62.04;H,8.39;N,3.65。实施例7制备10α-(4’-(S2S-二氧代硫代吗啉-1’-基)-10-脱氧-10-二氢青蒿素(10α-(4’-吗啉代-磺酰基)二氢青蒿素) (式Ⅰ:Y=4’-(S,S-二氧代硫代吗啉-1’-基) (4-吗啉代磺酰基)
在室温、通氮气下,向按以上实施例6中所述制备的10α-(4’-硫代吗啉代)-10-脱氧-10-二氢青蒿素(10α-(硫代吗啉代)二氢青蒿素)(388mg,1.05mmol)的二氯甲烷(10ml)溶液中加入NMO(369mg,3.15mmol)、粉末状的分子筛(525mg,4)和TRAP(18.5mg,催化)。室温下,将混合液搅拌过夜,通过SiO2层过滤,残留物用乙酸乙酯(3x15ml)洗涤。真空浓缩滤液。然后将残留物经快速层析(SiO2;35%乙酸乙酯/己烷)纯化得到10α-(4’-(S,S-二氧代硫代吗啉-1’-基)-10-脱氧-10-二氢青蒿素(10α-(4’-吗啉代磺酰基)二氢青蒿素)(421mg,100%),为白色固体。M.p.152.3-152.7℃;[α]D 20+13°(c0.035/CHCl3);νmax(膜法)2928,2872,1454,1378,1308,1270,1228,1198,1124,1040,1018,976,940,878,846,826,752,704,666;δH5.27(1H,s,H-12),4.21(1H,d,J=10.30Hz,H-10),3.18-3.46(8H,m),2.54-2.62(1H,m),2.28-2.36(1H,m),1.20-2.02(9H,m),1.35(3H,s,H-14),0.92-1.06(1H,m),0.93(3H,d,J=5.99Hz,H-15),0.78(3H,J=7.13Hz,H-16);δC174.20,104.09,91.92,90.84,90.04,51.74,51.27,46.88,45.46,37.29,36.02,34.04,28.91,25.76,24.66,21.45,20.10,13.31;m/z(CI,NH3)402(M++1,100),373(30),356(64),342(16),356(20);C19H31NO6S分析计算值:C,56.84;H,7.78;N,3.49;实测值:C,56.83;H,7.82;N,3.37。
实施例8制备10α-(4’-苄基哌嗪-1’-基)-10-脱氧-10-二氢青蒿素(式Ⅰ:Y=4’-苄基-1’-哌嗪基)
使按以上实施例3(b)中所述制备的10β-(三甲基甲硅烷基氧基)二氢青蒿素的溴化物(356mg,1.00mmol)与1-苄基哌嗪(212.1μl,1.22mmol)反应,经快速层析(40%乙酸乙酯/己烷)后得到10α-(4’-苄基哌嗪-1’-基)-10-脱氧-10-二氢青蒿素(144.3mg,40%),为白色固体。M.p.105-106℃;[α]D 20+10.3°(c0.909/CHCl3);νmax(膜法)2954,2920,2860,2802,1494,1454,1376,1344,1294,1270,1204,1132,1114,1062,1042,1016,986,942,924,880,852,824,738,694cm-1;1HNMR(300MHz,CDCl3)δH7.43-7.30(5H,m,Ar-H),5.35(1H,s,H-12),4.10(1H,d,J=10.2Hz,H-10),3.62(1H,d,J=13.1Hz,苄基-H),6.55(1H,d,J=13.1Hz,苄基-H),3.11-3.06(2H,m),2.80-2.70(2H,m),2.70-2.30(7H,m),2.15-2.02(1H,m),2.02-1.85(1H,m),1.85-1.70(2H,m),1.70-1.20(9H,m),1.20-1.00(4H,m),0.88(3H,d,J=7.2Hz,6-甲基)ppm;13C NMR(76MHz,CDCl3)δC138.3,129.13,128.1,126.9,103.8,91.6,90.4,80.3,63.1,53.5,51.7,45.9,37.4,36.3,34.3,28.5,26.0,24.8,21.6,20.3,13.4ppm;MS(CI,CH4)m/e443(M++1,10)。C26H38N2O4分析计算值:C,70.56;H,8.65;N,6.33;实测值:C,70.24;H,8.67;N,6.28。
实施例9制备10α-(2’-呋喃基)-10-脱氧-10-二氢青蒿素(式Ⅰ:Y=2-呋喃基)方法1
向在20℃下的二氢青蒿素(284mg,1.0mmol)的二氯甲烷(10ml)溶液中加入三氯乙腈(2.0ml,20.0mmol)和1滴1,8-二氮杂双环[5.4.0]十一烷。在20℃下,将混合液搅拌2小时,然后在20℃下真空浓缩。在0℃下,将残留物溶于二氯甲烷(10mL)中,冷却至-40℃。将该溶液顺次用呋喃(1.09mL,15.0mmol)和乙醚合三氟化硼(123μl,1.0mmol)处理,在-40℃下,再将混合液搅拌30分钟。将该混合液用饱和NaHCO3溶液猝灭,用二氯甲烷(2x10mL)提取。将提取液干燥(MgSO4),真空浓缩。残留物经快速层析(SiO2;15%乙酸乙酯/己烷)纯化得到标题化合物(11.0mg,3.3%),为无色油状物。用己烷重结晶得到分析样品。方法2(a)制备10β-苯甲酰基氧基-10-二氢青蒿素(苯甲酸10β-二氢青蒿素
酯)
在0℃、通氮气下,向二氢青蒿素(568mg,2.00mmol)和苯甲酸(244mg,2.00mmol)的四氢呋喃溶液中加入三苯膦(524mg,2.00mmol)和偶氮二甲酸二乙酯(ml)。将混合液温热至室温,搅拌过夜。真空浓缩该溶液。快速层析(SiO2;10%乙酸乙酯/己烷)纯化得到苯甲酸10β-二氢青蒿素酯,为白色固体(419mg,53%)。M.p.151.4-153.0℃;[α]D 20+119°(c0.19/CHCl3);νmax(膜法)2942,2872,1724,1452,1378,1268,1176,1114,1064,1024,976,902,858,832,754,712;δH7.43-8.03(5H,m,Ar-H),6.52(1H,d,J=3.43,H-10),5.58(1H,s,H-12),2.91-3.01(1H,m,H-9),2.42(1H,ddd,J=17.4,13.3,3.91 Hz),1.33-2.10(10H,m),1.45(3H,s,H-14),1.02(3H,d,J=6.11Hz,H-15),0.98(3H,d,J=7.35Hz,H-14);δC165.31,133.03,123.96,129.48,128.39,104.30,95.29,88.66,88.63,80.42,52.27,43.84,37.44,36.10,34.43,29.98,25.78,24.50,24.25,20.14,12.50;m/e(EI)388(M+)。(b)制备10α-(2’-呋喃基)-10-脱氧-10-二氢青蒿素(式Ⅰ:Y=2-呋喃
基)
在-45℃下,将10β-苯甲酰基氧基-10-二氢青蒿素(193mg,0.50mmol)的二氯甲烷(5ml)溶液顺次用呋喃(542μl,7.5mmol)和乙醚合三氟化硼(123μl,1.0mmol)处理。在-45℃下,将得到的混合液再搅拌1小时。将该混合液用饱和NaHCO3溶液猝灭,用二氯甲烷(3x10mL)提取。将提取液干燥(MgSO4),真空浓缩。残留物经快速层析(SiO2;15%乙酸乙酯/己烷)纯化得到标题化合物(53.7mg,32%),为无色油状物。M.p.96-97℃;1H NMR(300MHz,CDCl3)δH7.38(1H,m,H-5’),6.34-6.30(2H,m,H-3’& H-4’),5.38(1H,s,H-12),4.46(1H,d,J=10.9Hz,H-10),2.84(1H,m),2.60-2.20(2H,m),2.20-1.20(9H,m),1.20-0.80(6H,m),0.62(3H,d,J=7.2Hz,6-甲基)ppm;13C NMR(76MHz,CDCl3)δC153.2,142.0,110.0,108.3,104.2,92.2,80.4,76.6,71.1,52.0,45.7,37.4,36.3,34.1,31.5,26.1,24.7,21.3,20.3,13.7ppm;MS(CI,CH4)m/e 335(M++1,43)。
实施例10制备10α-(吡咯-2’-基)-10-脱氧-10-二氢青蒿素(式Ⅰ:Y=2-吡咯基)
在-50℃下,将按实施例9、方法2(a)制备的10β-苯甲酰基氧基-10-脱氧青蒿素(700.8mg,1.80mmol)的二氯甲烷(30mL)溶液顺次用吡咯(624μl,9.00mmol)和乙醚合三氟化硼(332μl,2.70mmol)处理,然后在-50℃下搅拌1小时。将该混合液用饱和NaHCO3溶液猝灭,用二氯甲烷(3x10mL)提取。将提取液干燥(MgSO4),真空浓缩。残留物经快速层析(SiO2;30%乙醚/己烷)纯化得到标题化合物(486.6mg,81%),为无色油状物。[α]D 20+198.7°(c0.105 CHCl3);νmax(膜法)2924,2854,1460,1376,1066,1024,722cm-1;1H NMR(300MHz,CDCl3)δH8.80(1H,br s,NH),6.71(1H,m,H-5’),6.04(2H,m,H-3’&H-4’),5.39(1H,s,H-12),4.47(1H,d,J=10.8Hz),2.58(1H,m),2.50-2.10(2H,m),2.10-1.95(1H,m),1.93(1H,m),1.80-1.68(2H,m),1.68-1.15(7H,m),1.15-0.80(4H,m),0.93(3H,d,J=7.1Hz,6-甲基)ppm;13CNMR(76MHz,CDCl3)δC129.9,117.6,107.2,106.7,104.1,91.9,80.5,71.9,60.2,51.8,45.7,37.2,36.2,34.0,32.9,25.9,24.6,21.2,20.1,14.0,13.9ppm;MS(CI,丁烷)m/e334(M++1,100)。C19H27NO4分析计算值:C,68.44;H,8.16;N,4.20;实测值:C,68.77;H.8.56;N,3.85。实施例11制备10α-(4’-苄基-4'-甲基哌嗪鎓-1’-基)-10-脱氧-10-二氢青蒿素碘化物盐(式Ⅰ:Y=4’-苄基-4'-甲基哌嗪鎓-1’-基)
在0℃、氮气下,将按实施例8制备的10α-(4’-苄基哌嗪-1’-基)-10-脱氧-10-二氢青蒿素(272mg,0.62mmol)的二氯甲烷(1.8mL)和乙醚(5.4ml)的混合物中的溶液滴加碘甲烷(36.7μl,0.59mmol)处理。搅拌该混合物,逐渐温热至室温过夜。收集沉淀并用乙醚(2×5ml)洗涤,高真空干燥。从甲醇/乙醚中重结晶进一步纯化得到矩形片状结晶(87mg,24%)。M.p.159-161℃;[α]D 20+18.4°(c0.436/CHCl3);νmax(膜法)3448,2928,2196,1457,1378,1210,1133,1099,1041,982,918,880,852,828,766,732,642cm-1;1H NMR(300MHz,CDCl3)δH8.00-7.60(2H,d,J=6.2Hz,H-2”& H-6”),7.60-7.35(3H,m,Ar-H),5.32(1H,s,H-12),5.25-5.05(2H,m,苄基-H),4.13(1H,d,J=10.2Hz,H-10),3.95-3.55(4H,m),3.55-2.90(9H,m),2.65-2.20(2H,m),2.20-1.15(14H,m),1.15-0.87(4H,m),0.80(3H,d,J=6.9Hz,6-甲基)ppm;13C NMR(76MHz,CDCl3)δC133.4,130.6,129.1,126.5,104.0,91.5,90.1,80.1,67.4,59.5,59.3,51.5,45.5,37.2,36.1,34.0,28.4,25.9,24.5,21.5,20.1,13.3ppm。
实施例12-61
按以上实施例1-11中说明的类似方法,制备下表Ⅰ中的本发明其它化合物。在表Ⅰ中,参考式Ⅰ确定那些化合物。
表Ⅰ
实施例编号 |
Y |
R1 |
R2 |
物理数据 |
12 |
2,4,6-(-OCH3)3苯基(异构体混合物) |
- |
- |
白色泡沫状物。[α]D 20.5+49.51°(c0.053/CHCl3);νmax(纯品)2936,2872,1608,1496,1456,1420,1374,1330,1278,1224,1204,1152,1120,1050,1040,974,954,930,902,880,856,834,814,734,702cm-1;δH6.10-6.18(2H,m,Ar-H),5.46(1H,s,H12),5.38(1H,s,H-12’),5.3l(1H,d,J=10.4Hz,H-10),5.07(1H,d,J=10.9Hz,H-10’),3.88,3.81,3.80,3.76(OMe),3.36-3.42(1H,m),2.35-2.41(1H,m),1.05-2.15(10H,m),1.63(3H,s,H-14),1.39(3H,s,H-14’),0.99(3H,d,J=6.27Hz,H-16’),0.88-0.93(3H,m,H-15 & H-16),0.58(3H,d,J=7.26Hz,H-15’);m/z(CI,NH3)452(M+NH4 +,4%),436(16),435(M++1,12),419(100),389(74),347(28)。C24H34O7分析计算值:C,66.36;H,7.83;实测值:C,66.42;H,7.89。 |
13 |
2-萘基(10β-异构体) |
- |
- |
白色固体。M.p.145-146℃;[α]D 20-67.8°(c0.027/CHCl3);νmax(膜法)2950,2874,1510,1452,1376,1208,1106,1074,1040,1010,954,936,886,854,824,786,750;δH7.80-7.85(5H,m,Ar-H),7.42-7.51(3H,m,Ar-H),5.93(1H,d,J=6.59Hz,H-10),5.67(1H,s,H-12),2.81-2.94(1H,m,H-9),2.33-2.48(1H,m),0.86-2.13(10H,m),1.42(3H,s,H-14),1.02(1H,d,J=6.09Hz,H-16),0.55(1H,d,J=7.66Hz,H-15);δC134.85,127.82,127.42,127.12,125.65,125.17,124.84,124.26,90.92,73.04,51.48,43.44,37.48,36.64,34.15,32.10,25.69,24.89,24.77,19.85,13.65;m/z(CI,CH4)395(M++1,16%),394(M+,32),362(44),349(84),331(16),304(20),291(26),182(100),168(60)。C25H30O4分析计算值:C,76.11;H,7.66;实测值:C,76.24;H,7.69。 |
14 |
2-OCH3苯基(10β-异构体) |
- |
- |
无色油状物。δH6.83-7.50(4H,m,Ar-H),5.94(1H,d,J=6.65Hz,H-10),5.58(1H,s,H-12),3.84(3H,s,OCH3),2.86-2.99(1H,m,H-9),2.30-2.40(1H,m),1.19-2.11(10H,m),1.39(3H,s,H-14),1.01(1H,d,J=5.77Hz,H-16),0.43(1H,d,J=7.64Hz,H-15);δC134.85,127.00,126.37,120.02,109.19,90.86,68.63,55.19,51.30,43.39,37.53,36.72,34.21,29.87,25.68,24.97,24.75,19.83,13.45;m/z(CI,CH4)375(M++1,12%),374(M+,16),342(100),329(48),311(14),284(28),182(56),148(76),137(60),121(48)。C22H30O5分析计算值:C,70.56;H,8.07;实测值:C,70.78;H,8.28。 |
15 |
-NR1R2(10α-异构体) |
-H |
苯基 |
白色固体。Mp.159-160℃;[α]D 20-51.4°(c0.35/CHCl3);νmax(膜法)3348,2924,2872,1604,1502,1444,1376,1314,1270,1196,1152,1116,1098,1040,1012,994,944,926,878,856,826,748,690;δH7.17-7.22(2H,m,Ar-H),6.75-6.87(3H,m,Ar-H),5.45(1H,s,H-12),4.05(1H,dd,J=9.86,9.81Hz,H-10),4.32(1H,d,J=9.81Hz,NH),2.49-2.61(1H,m,H-9),2.35-2.45(1H,m),2.00-2.08(1H,m),1.74-1.92(4H,m),1.26-1.65(7H,m),1.42(3H,s,H-14),1.05-1.10(1H,m),1.01(3H,d,J=6.18Hz,H-16),0.95(3H,d,J=7.18Hz,H-15);δC128.99,118.56,114.02,91.08,80.70,80.39,51.71,45.76,37.18,36.26,34.03,32.71,25.97,24.60,21.79,20.17,13.80;m/z(CI,CH4)360(M++1,56%),359(M+,56),342(98),324(20),314(100),296(98),267(50),249(22),221(80),163(40),133(100),94(38)。C21H29NO4分析计算值:C,70.17;H,8.13;N,3.90;实测值:C,70.25;H,8.24;N,3.73。 |
16 |
-NR1R2(10α-异构体) |
-H |
4-F苯基 |
白色固体。M.p.170.1℃;νmax(液体石蜡)3358(νNH),2924,2854,1512,1460,1378,1264,1216,1194,1116,1099,1046,1022,942,924,880,846,832,810,780cm-1;δH6.66-6.92(4H,m,Ar-H),5.44(1H,s,H-12),4.76(1H,dd,J=10.0,10.0Hz,H-10),4.32(1H,d,J=10.0Hz,NH),2.49-2.61(1H,m,H-9),2.40(1H,ddd,J=17.3,13.4,3.93Hz),2.05(1H,ddd,J=14.6,4.79,3.07 Hz),1.05-1.97(9H,m),1.42(3H,s,H-14),1.00(3H,d,J=6.11Hz,H-16),0.95(3H,d,J=7.18Hz,H-15);δC141.95,115.34(d,J=17.7Hz),115.15(d,J=2.69Hz),104.13,91.10(d,J=2.22Hz),81.41,80.41,51.69,45.73,37.29,36.25,34.01,32.60,25.94,24.60,21.79,20.17,13.81;m/z(CI,CH4)378(M++1,44%),377(M+,100),358(70),314(14),267(26),221(18),163(34),151(42),111(6)。C21H28FNO4分析计算值:C,66.82;H,7.48;N,3.71;实测值:C,67.06;H,7.60;N,3.51。 |
17 |
-NR1R2(10α-异构体) |
-H |
4-Cl苯基 |
白色固体。M.p.179.0℃;[α]D 20-63.5°(c0.20/CHCl3);νmax(膜法)3346,2926,2874,1604,1514,1494,1454,1378,1268,1196,1152,1094,1040,1012,992,944,926,878,818,756;δH7.09-7.14(2H,m,Ar-H),6.66-6.71(2H,m,Ar-H),5.44(1H,s,H-12),4.78(1H,brs,H-10),4.42(1H,brs,NH),2.49-2.61(1H,m,H-9),2.40(1H,ddd,J=17.4,13.5,3.98Hz),2.05(1H,ddd,J=14.6,4.78,3.12Hz),1.05-1.97(9H,m),1.41(3H,s,H-14),1.00(3H,d,J=6.12 Hz,H-16),0.94(3H,d,J=7.18Hz,H-15);δC144.31,128.76,123.20,115.28,104.15,91.09,80.76,80.38,51.66,45.67,37.28,36.23,33.99,32.56,25.93,24.59,21.78,20.16,13.73;m/z(CI,CH4)393(M++1,16%),376(8),347(20),330(16),267(10),221(16),167(100),127(8)。C21H28ClNO4分析计算值:C,64.03;H,7.16;N,3.55;实测值:C,64.16;H,7.40;N,3.45。 |
18 |
-NR1R2(10α-异构体) |
-H |
4-Br苯基 |
白色固体。M.p.183.1℃;[α]D 20-60.0°(c0.23/CHCl3);νmax(膜法)3346,2924,2872,1598,1514,1492,1452,1378,1268,1196,1152,1122,1094,1040,1012,992,926,878,816,756;δH7.20-7.25(2H,m,Ar-H),6.61-6.66(2H,m,Ar-H),5.44(1H,s,H-12),4.78(1H,dd,J=10.0,9.95Hz,H-10),4.48(1H,d,J=10.0Hz,NH),2.49-2.61(1H,m,H-9),2.40(1H,ddd,J=14.0,13.7,3.87Hz),1.05-2.08(10H,m),1.41(3H,s,H-14),1.00(3H,d,J=6.07Hz,H-16),0.94(3H,d,J=7.15Hz,H-15);δC144.79,131.61,115.76,110.32,104.17,91.09,80.65,80.39,51.67,45.67,37.29,36 24,33.99,32.54,25.92,24.60,21 78,20.17,13.71;m/z(CI,CH4)439(M++1,12%),422(14),392(100),376(36),267(14),221(50),154(34)。C21H28BrNO4分析计算值:C,57.54;H,6.44;N,3.19;实测值:C,57.81;H,6.64;N,3.14。 |
19 |
-NR1R2(10α-异构体) |
-H |
4-I苯基 |
白色固体。[α]D 20-68.8°(c0.16/CHCl3);νmax(膜法)3346,2924,1592,1510,1454,1378,1268,1196,1040,994,926,878,818,754;δH7.36-7.41(2H,m,Ar-H),6.51-6.56(2H,m,Ar-H),5.43(1H,s,H-12),4.78(1H,dd,J=10.0,9.97Hz,H-10),4.56(1H,d,J=10.0Hz,NH),2.34-2.56(2H,m,H-9),1.05-2.08(10H,m),1.41(3H,s,H-14),1.00(3H,d,J=6.04Hz,H-16),0.93(3H,d,J=7.13Hz,H-15);δC145.46,137.45,116.35,104.18,91.09,80.46,79.59,51.66,45.66,37.29,36.25,34.00,32.50,25.91,24.61,21.79,20.19,13.71;m/z(CI,CH4)486(M++1,4%),485(M+,6),468(12),440(100),422(34),267(6),259(20),221(20)。C21H28INO4分析计算值:C,51.97;H,5.81;N,2.89;实测值:C,52.22;H,5.83;N,2.57。 |
20 |
-NR1R2(10α-异构体) |
-H |
4-联苯基 |
白色固体。[α]D 20-76.5°(c0.51/CHCl3);νmax(膜法)3348,2924,2872,1614,1528,1488,1446,1378,1268,1268,1196,1152,1128,1040,1012,992,926,878,826,760,698;δH7.25-7.58(7H,m,Ar-H),6.82-6.87(2H,m,Ar-H),5.49(1H,s,H-12),4.90(1H,dd,J=9.85,9.85Hz,H-10),4.50(1H,d,J=9.85Hz,NH),2.36-2.62(2H,m),1.07-2.09(10H,m),1.44(3H,s,H-14),1.02(3H,d,J=6.12Hz,H-16),0.98(3H,d,J=7.17Hz,H-15);δC145.22,141.16,131.53,128.45,127.71,126.29,125.98,114.30,104.14,91.14,80.67,80.42,51.72,45.76,37.30,36.27,34.04,21.68,25.98,24.62,21.81,20.19,13.81;m/z(CI,CH4)436(M++1,2%),412(100),395(42),379(8),284(2),267(2),170(2)。C27H33NO4分析计算值:C,74.45;H,7.64;N,3.22;实测值:C,73.51;H,7.67;N,3.12。 |
21 |
-NR1R2(10α-异构体) |
-H |
苄基 |
白色固体。[α]D 20-26.7°(c0.15/CHCl3);νmax(膜法)3348,2924,2870,1452,1376,1158,1116,1056,1042,1014,992,942,926,878,828,736,700;δH7.21-7.42(5H,m,Ar-H),5.32(1H,s,H-12),4.17(1H,d,J=13.9Hz,H-1’),4.13(1H,d,J=9.63Hz,H-10),3.97(1H,d,J=13.9Hz,H-1’),2.29-2.45(2H,m),2.29(1H,brs,NH),2.01-2.09(1H,m),1.86-1.95(1H,m),1.65-1.78(2H,m),1.44-1.59(2H,m),1.48(3H,s,H-14),1.22-1.40(3H,m),0.91-1.09(1H,m),0.97(3H,d,J=5.94Hz,H-16),0.96(3H,d,J=7.14Hz,H-15);δC140.82,128.03,127.84,126.45,103.91,91.39,85.68,80.65,51.69,48.21,45.86,37.24,36.29,34.07,32.77,26.07,24.63,21.73,30.19,14.12;m/z(CI,CH4)374(M++1,100%),356(54),338(42),328(38),309(12),253(16),221(10),119(16)。C22H31NO4分析计算值:C,70.75;H,8.37;N,3.75;实测值:C,70.78;H,8.82;N,3.75。 |
22 |
-NR1R2(10α-异构体) |
-H |
2-F苄基 |
白色固体.M.p.47.4-48.7℃;[α]D 20-16.9°(c1.46/CHCl3);νmax(膜法)3336,2924,2872,1584,1486,1454,1376,1226,1196,1158,1116,1056,1042,1014,994,926,878,826,756;δH6.99-7.50(4H,m,Ar-H),5.34(1H,s,H-12),4.21(1H,d,J=14.5Hz,H-1’),4.15(1H,d,J=6.72Hz,H-10),3.99(1H,d,J=14.5Hz,H-1’),2.35-2.45(2H,m),0.90-2.08(10H,m),1.47(3H,s,H-14),0.98(3H,d,J=5.99Hz,H-16),0.94(3H,d,J=7.16Hz,H-15);δC129.63(d,J=4.79Hz),127.94(d,J=8.05Hz),123.64(d,J=3.40Hz),114.89(d,J=21.6Hz),103.90,91.35,86.03,80.59,51.69,45.86,41.96(d,J=3.53Hz),37.26,36.28,34.08,32.66,26.02,24.62,21.72,20.17,14.00;δF-120;m/z(CI,CH4)392(M++1,24%),374(46),346(100),328(34),267(2),221(4),209(6),165(82),154(50),109(42)。C22H30NO4F分析计算值:C,67.50;H,7.72;N,3.58;实测值:C,67.75;H,7.92;N,3.49。 |
23 |
-NR1R2(10α-异构体) |
-H |
3,5-(CF3)2苄基 |
无色油状物.M.p.51.0-52.8℃;[α]D 20-27°(c0.027/CHCl3);δH7.88(2H,brs,Ar-H),7.56(1H,brs,Ar-H),5.31(1H,s,H-12),4.24(1H,d,J=15.1Hz,H-1’),4.12(1H,d,J=15.1Hz,H-1’),4.06(1H,d,J=9.82Hz,H-10),2.34-2.45(2H,m),0.90-2.09(10H,m),1.47(3H,s,H-14),0.98(3H,d,J=7.26Hz,H-15),0.97(3H,d,J=4.94Hz,H-16);δF-64.1;m/z(Cl,CH4)510(M++1,48%),490(100),464(74),441(38),283(24),267(30),244(10),221(20),163(22)。C24H29NO4F6分析计算值:C,56.58;H,5.74;N,2.75;实测值:C,56.75;H,5.76;N,2.70。 |

30 |
-NR1R2(10α,1’R-异构体) |
-H |
-CH(CH3)苯基 |
白色固体。δH7.20-7.43(5H,m,Ar-H),5.36(1H,s,H-12),4.44(1H,q,J=6.41Hz,H-1'),4.31(1H,d,J=9.70Hz,H-10),2.21-2.40(2H,m),2.00-2.08(1H,m),1.02-1.95(9H,m),1.45(3H,s,H-14),1.31(3H,d,J=6.41Hz,CH3),0.99(3H,d,J=6.18Hz,H-16),0.93(3H,d,J=7.16Hz,H-15);δC147.01,128.06,127.01,126.59,103.85,91.33,83.03,80.56,51.72,51.51,45.92,37.29,36.28,34.14,33.09,26.01,24.66,22.35,21.83,20.21,14.22;m/z(CI,CH4)388(M++1,100%),370(56),342(42),309(30),267(18),253(32),221(20),119(34)。 |
31 |
-NR1R2(10α,1’R-异构体) |
-H |
-CH(CO-OCH3)苯基 |
无色油状物。νmax(纯品)3342(νNH),2926,2827,1742(νC=O酯),1602,1494,1452,1376,1246,1198,1158,1130,1042,1014,994,928,880,844,826,736,700cm-1;1H NMR(300MHz,CDCl3)δH7.21-7.50(5H,m,Ar-H),5.13(1H,s,H-12),4.94(1H,s,H-2’),3.85(1H,d,J=9.81Hz,H-10),3.65(3H,s,OMe),2.74(1H,brs,NH),2.35(1H,m,H-9),1.05-2.07(11H,m,H-2x2,H-3x2,H-4,H-5,H-6x2,H-7x2,H-8),1.47(3H,s,1-CH3),0.90(6H,dx2,信号重叠,S-CH3,9-CH3)ppm;m/z(CI,CH4)432(M++1,96%),386(100),372(44),312(14),267(24),221(28),166(96)。C24H33NO6分析计算值:C,66.80;H,7.71;N,3.24;实测值:C,66.98;H,7.53;N,3.05。 |
32 |
-NR1R2(10α,1’S-异构体) |
-H |
-CH(CO-OCH3)苯基 | 1H NMR(300MHz,CDCl3)δH7.28-7.51(5H,m,Ar-H),5.22(1H,s,H-12),5.04(1H,s,H-2’),4.28(1H,d,J=9.81Hz,H-10),3.68(3H,s,OMe),2.57(1H,brs,NH),2.29-2.44(1H,m,H-9),0.96-2.44(11H,m,H-2x2,H-3x2,H-4,H-5,H-6x2,H-7x2,H-8),1.43(3H,s,1-CH3),0.97(3H,d,J=6.11Hz,H-15),0.90(3H,d,J=7.16Hz,H-16)ppm;m/z(CI,CH4)432(M++1,90%),386(100),372(50)。 |
33 |
-NR1R2(10α-异构体) |
-H |
4-(CO-OCH3)苯基 |
白色固体。M.p.117.7-118.5℃;[α]D 20-84.1°(c0.82/CHCl3);νmax(膜法)3344,2948,1710,1608,1528,1434,1378,1270,1178,1110,1040,1012,926,878,842,768;δH6.66-7.76(4H,m,Ar-H),5.46(1H,s,H-12),5.06(1H,d,J=9.96Hz,NH),4.88(1H,dd,J=9.89Hz,H-10),3.83(3H,s,OMe),2.56-2.60(1H,m),2.33-2.42(1H,m),0.85-2.04(10H,m),1.39(3H,s,H-14),0.99(3H,d,J=6.09Hz,H-15),0 92(3H,d,J=7.11Hz,H-16);δC167.06,149.99,131.04,119.64,113.01,104.30,91.21,80.49,80.02,51.70,51.40,45.67,37.34,36.20,34.04,32.50,25.92,24.66,21.84,20.94,20.22,14.10,13.67;m/z(CI,CH4)418(M++1,32),400(6),372(100),358(8),221(28),152(26)。C23H31NO6分析计算值:C,66.17;H,7.48;N,3.35;实测值:C,65.57;H,7.57;N,3.36。 |


45 |
2,4,6-(CH3)3苯基(10β-异构体) |
- |
- |
无色油状物。[α]D 22+13.7°(c0.019/CHCl3);νmax(膜法)2938,2874,1452,1376,1208,1106,1076,1008,958,942,896,880,848,780,756,724;δH6.81(2H,s,Ar-H),6.05(1H,d,J=7.57Hz,H-10),5.55(1H,s,H-12),2.74-2.85(1H,m),2.48(3H,s,Me),2.26-2.40(1H,m),2.32(3H,s,Me),2.27(3H,s,Me),2.05-2.11(2H,m),1.64-1.90(4H,m),1.29-1.50(3H,m),1.41(3H,s,H-14),0.84-1.04(1H,m),1.03(3H,d,J=5.91Hz,,H-15),0.64(3H,d,J=7.84Hz,H-16);δC137.22,135.56,135.21,133.52,130.81,128.37,102.30,90.71,80.94,71.82,51.32,43.92,37.59,36.79,34.24,30.44,25.72,25.04,24.46,22.28,20.70,20.63,19.87,13.22;m/z(CI,CH4)387(M++1,6),386(8),385(10),341(100),327(8),299(8),267(14),221(10),209(4),163(8),133(8);C24H34O4分析计算值:C,74.58;H,8.87;实测值:C,74.49;H,8.86。 |
46 |
2,4,5-(CH3)3苯基(10β-异构体) |
- |
- |
无色油状物。Mp.141℃;[α]D 20+55.6°(c0.068/CHCl3);νmax(膜法)2922,2074,1502,1452,1374,1278,1220,1202,1180,1120,1100,1056,1040,1000,978,954,934,896,880,820,754;δH7.32(1H,s,Ar-H),6.99(1H,s,Ar-H),5.94(1H,d,J=6.71Hz,H-10),5.67(1H,s,H-12),2.80-2.90(1H,m),2.38-2.48(1H,m),2.33(2x3H,s,Me),2.31(3H,s,Me),2.10-2.19(2H,m),1.78-2.00(3H,m),1.40-1.55(4H,m),1.47(3H,s,H-14),0.97-1.11(1H,m),1.11(3H,d,J=5.75Hz,,H-15),0.55(3H,d,J=7.68Hz,H-16);δC136.62,134.02,133.13,131.04,130.76,127.09,102.11,91.04,81.07,70.00,51.33,43.49,37.57,36.73,34.23,29.89,25.57,25.01,24.81,19.89,19.17,18.73,13.65;m/z(CI,CH4)387(M++1,10),386(M+,44),354(60),341(84),296(6),282(18),109(20),182(28),160(100),149(56),133(38),121(30);C24H34O4分析计算值:C,74.58;H,8.87;实测值:C,74.63;H,8.73。 |
47 |
4-COOH苯基(10β-异构体) |
- |
- |
白色固体。[α]D 20-63.2°(c0.019/CHCl3);νmax(膜法)2954,2878,2670,2546,2252,1688,1612,1578,1512,1452,1424,1376,1314,1286,1222,1208,1178,1116,1074,1056,1040,1012,980,968,954,944,908,882,854,824,802,766,732;δH8.09(2H,d,J=8.34Hz,,Ar-H),7.45(2H,d,J=8.34Hz,,Ar-H),5.82(1H,d,J=6.63Hz,H-10),5.60(1H,s,H-12),2.76-2.83(1H,m),2.31-2.40(1H,m),1.23-2.10(9H,m),1.41(3H,s,H-14),0.87-1.02(1H,m),1.01(3H,d,J=5.49Hz,,H-15),0.51(3H,d,J=7.62Hz,H-16);δC171.66,147.41,129.71,127.33,126.15,102.29,90.80,81.07,72.74,51.35,43.29,37.42,36.53,34.04,31.94,29.05,25.60,24.67,19.78,13.42;m/z(CI,CH4)389(M++1,8),329(100),283(36),267(20),219(26),177(80),129(64);C22H28O6分析计算值:C,68.02;H,7.27;实测值:C,67.77;H,7.31。 |
48 |
4-苯基-哌嗪基(10α-异构体) |
- |
- |
白色固体。M.p.149-150℃;[α]D 20+16.7°(c1.24/CHCl3);νmax(膜法)2924,1600,1504,1450,1378,1238,1206,1158,1042,984,926,880,758,690cm-1;1H NMR(300MHz,CDCl3),δH7.34(2H,m),7.03(2H,d,J=8.0Hz,,H-2”,H-5”),6.92(1H,t,J=7.3Hz,H-4”),5.39(1H,s,H-12),4.18(1H,d,J=10.2Hz),3.29-3.21(6H,m),2.90(2H,m),2.70(1H,m),2.45(1H,m),2.13(1H,m),1.95(1H,m),1 75(2H,m),1.70-1.20(8H,m),1.20-1.00(4H,m),0.93(3H,d,J=7.1Hz,6-甲基)ppm;13CNMR(76MHz,CDCl3)δC151.6,128.9,119.3,116.0,103.8,91.6,90.4,80.3,51.7,49.5,47.2,45.8,37.4,36.3,34.3,28.5,25.9,24.8,21.6,20.3,13.4ppm;MS(CI,CH4)m/e429(M++1,88);C25H36N2O4分析计算值:C,70.06;H,8.47;N,6.53;实测值:C,69.74;H,8.38;N,6.35。 |
49 |
4-(2’-甲氧基苯基)-哌嗪基(10α-异构体) |
- |
- |
白色固体。M.p.158-159℃;[α]D 20+12.2°(c0.752/CHCl3);νmax(膜法)2936,1594,1500,1448,1376,1240,1180,1118,1058,982,926,880,828,750cm-1;1H NMR(300MHz,CDCl3)δH7.10-6.80(4H,m,Ar-H),5.30(1H,s,H-12),4.07(1H,d,J=10.2Hz,H-10),3.85(3H,s,-OMe),3.30-2.95(6H,m),2.95-2.75(2H,m),2.61(1H,m),2.35(1H,m),2.00(1H,m),1.85(1H,m),1.70(2H,m),1.60-1.15(9H,m),1.15-0.90(4H,m),0.84(3H,7.2Hz,6-甲基)ppm;13CNMR(76MHz,CDCl3)δC152.3,141.8,122.5,120.9,118.1,111.2,103.8,91.6,90.4,80.4,55.3,51.8,51.1,45.9,37.4,36.4,34.3,28.5,26.0,24.8,21.7,21.7,20.3,13.4ppm;MS(CI,CH4)m/e459(M++1,55);C26H38N2O5分析计算值:C,68.10;H,8.35;N,6.11;实测值:C,67.74;H,8.35;N,5.83。 |
50 |
4-(4’-氟苯基)-哌嗪基(10α-异构体) |
- |
- |
白色固体。M.p.157-158℃;[α]D 20+23.1°(c0.743/CHCl3);νmax(膜法)2933,2842,1704,1689,1654,1617,1560,1516,1456,1381,1314,1249,1227,1205,1160,1135,1111,1061,1047,1027,985,921,883,853,822,697 cm-1;1H NMR(300MHz,CDCl3)δH7.00-6.80(4H,m,Ar-H),5.29(1H,s,H-12),4.07(1H,d,J=10.2Hz),3.15-3.05(6H,m),2.83(2H,m),2.60(1H,m),2.35(1H,m),2.00(1H,m),1.90(1H,m),1.73(2H,m),1.70-1.10(9H,m),1.10-0.90(4H,m),0.83(3H,d,J=7.1Hz,6-甲基)ppm;13C NMR(76MHz,CDCl3)δC156.8(d,1JC-F=238Hz),148.2(d,4JC-F=1.96Hz),117.6(d,3JC-F=7.55Hz),115.2(d,2JC-F=21.9Hz),103.7,91.5,90.3,80.2,51.6,50.4,47.1,45.7,37.3,36.2,34.2,28.4,25.9,24.7,21.5,20.2,13.3ppm;MS(CI,CH4)m/e447(M++1,82);C25H35N2O4F分析计算值:C,67.24;H,7.90;N,6.27;实测值:C,67.28;H,8.01;N,5.95。 |
51 |
4-(2’-吡啶基)-哌嗪基(10α-异构体) |
- |
- |
白色固体。M.p.146-147℃;[α]D 20+16.4°(c1.34/CHCl3);νmax(膜法)2926,2872,1596,1564,1482,1346,1378,1312,1248,1208,1160,1132,1056,1026,980,926,880,850,828,744,732cm-1;1H NMR(300MHz,CDCl3)δH8.17(1H,dd,J=1.3,5.0Hz,H-6”),7.44(1H,td,J=1.8,3.4Hz,H-4”),6.64-6.55(2H,m,H-3”& H-5”),5.27(1H,s,H-12),4.07(1H,d,J=10.3Hz,H-10),3.52-3.48(4H,m,H-3”& H-5”),3.10-3.05(2H,m),2.79-2.74(1H,m),2.76(1H,m),2.32(1H,m),2.02-1.80(2H,m),1.70-1.65(2H,m),1.50-1.20(8H,m),1.10-0.90(4H,m),0.83(3H,d,J=7.2Hz,6-甲基)ppm;13C NMR(76MHz,CDCl3)δC153.6,147.8,137.2,112.8,107.0,103.8,91.6,90.6,80.3,51.7,47.1,45.8,45.5,37.3,36.3,34.3,28.5,25.9,24.7,21.6,20.3,13.4ppm;MS(CI,NH3)m/e430(M++1,100);C24H35N3O4分析计算值:C,67.11;H,8.21;N,9.78;实测值:C,67.01;H,8.22;N,9.55。 |
52 |
4-(3’-三氟甲基-苯基)-哌嗪基(10α-异构体) |
- |
- |
白色固体。M.p.126-127℃;[α]D 20+23.0°(c0.543/CHCl3);νmax(膜法)2928,2874,1612,1588,1496,1450,1412,1378,1356,1320,1266,1242,1208,1164,1122,1100,1054,986,948,926,880,860,828,788,732,696,648cm-1;1H NMR(300MHz,CDCl3)δH7.33(1H,m,H-5”),7.10-7.02(3H,m,Ar-H),5.30(1H,s,H-12),4.09(1H,d,J=10.2Hz,H-10),3.40-3.05(6H,m),2.84(2H,m),2.65(1H,m),2.35(1H,m),2.00(1H,m),1.85(1H,m),1.80-1.60(2H,m),1.60-1.15(10H,m),1.15-0.90(4H,m),0.84(3H,d,J=7.1Hz)ppm;13C NMR(76MHz,CDCl3)δC151.7,129.4,118.7,115.4,111.9,103.9,91.6,90.5,80.3,51.7,49.0,47.0,45.8,37.4,36.3,34.3,28.5,25.9,24.8,21.6,20.3,13.4ppm;19F NMR(282MHz,CDCl3)δF63.9ppm;MS(CI,CH4)m/e497(M++1,58);C26H35N2O4F3分析计算值:C,62.89;H,7.10;N,5.64;实测值:C,62.82;H,7.27;N,5.58。 |
53 |
4-氟苯基(10β-异构体) |
- |
- |
白色固体。M.p.133.6-134.8℃;[α]D 20-35.66°(c0.83/CHCl3);δF-118.00;IR(纯品)νmax:2952,2873,1604,1510,1452,1376,1222,1110,1040,1010,944,906,882,838,782cm-1;δH7.29-7.24(2H,m,Ph),7.04-6.97(2H,m,Ph),5.70(1H,d,H-10,J=6.7Hz),5.55(1H。s,H-12),2.77-2.65(1H,m),2.39-2.28(1H,m),2.10-1.97(2H,m),1.90-1.82(1H,m),1.78-1.64(2H,m),1.49-1.17(8H,m),0.99(3H,d,6-Me,J=5.75Hz),0.48(3H,d,9-Me,J=7.68Hz)δC162.10(d,Ph,JCF=244.0Hz),137.42(d,Ph,JCF=3.09Hz),128.30(d,Ph,JCF=7.84Hz),115.16(d,Ph,JCF=21.27Hz),102.92,91.55,81.75,73.15,52.09,44.05,38.14,37.30,34.82,32.78,26.35,25.57,25.42,20.52,14.29;MS(CI正,NH3)m/z382(MNH4 +,2x13C,4%),381(MNH4 +,13C,25%),380(MNH4 +,基峰),363(MH+,6%),C23H21O4F分析计算值:C,69.59;H,7.51;实测值:C,69.51;H,7.62。 |
54 |
1-(2-嘧啶基)-哌嗪基(10β-异构体) |
- |
- |
白色固体。M.p.147.1-147.5℃;[α]D 20+14.3°(c=0.86CHCl3);IR(KBr)νmax:2988,2970,2948,2918,2870,2854,1588,1546,1502,1452,1438,1430,1396,1376,1308,1268,1186,1160,1132,1114,1102,1060,1044,1022,980,940,926,880,852,826,798,742,694,640;δH8.27(2H,d,o-Ph,J=4.8Hz),6.43(1H,t,p-Ph,J=4.8Hz),5.27(1H,s,H-12),4.05(1H,d,H-10,J=10.2Hz),3.87-3.72(4H,m,2xNCH2),3.08-3.01(2H,m),2.75-2.59(4H,2xNCH2),2.38-2.27(1H,m),2.02-1.37(8H,m),1.34(3H,s,3-Me),1.33-1.17(1H,m),0.94(3H,d,6-Me,J=6.1Hz),0.85(3H,d,9-Me,J=7.16Hz);δC162.39,158.31,110.17,104.56,92.34,91.49,80.99,52.44,47.95,46.56,44.76,38.07,37.02,34.99,29.20,26.66,25.44,22.34,20.97,14.22;MS(CI,CH4)m/z432(MH+,13C,5%),431(MH+,33%);C23H34N4O4分析计算值:C,64.16;H,7.96;N,13.01;实测值:C,64.09;H,8.07,N,12.86。 |
55 |
1-(4-氯苯基)-哌嗪基(10α-异构体) |
- |
- |
白色固体。M.p.140.7-142.8℃;[α]D 20+9.41°(c=1.01,CHCl3);IR(KBr)νmax:2976,2952,2934,2894,2872,2842,1596,1502,1454,1378,1350,1316,1286,1248,1206,1184,1160,1136,1108,1060,1046,1026,956,982,882,852,816,698,666,518;δH7.20(2H,d,Ph,J=9.0Hz),6.85(2H,d,Ph,J=9.02Hz),5.30(1H,s,H-12),4.09(1H,d,H-10,J=10.23Hz),3.20-3.07(8H,m,4xNCH2),2.86-1.20(15H,m),0.96(3H,d,6-Me,J=6.09Hz),0.84(3H,d,9-Me,J=7.18Hz);δC150.93,129.49,124.75,117.83,104.57,92.29,91.11,81.02,52.39,50.18,47.74,46.51,38.08,36.99,34.97,29.21,26.65,25.45,22.33,20.97,14.14;MS(CI正,CH4)m/z465(MH+,17Cl,2%),464(MH+,13C,0.4%),463(MH+,6%);C25H35N2O4Cl分析计算值:C,64.85;H,7.62;N,6.05;实测值:C,64.68;H,7.66,N,5.89。 |
56 |
1-(3-氯苯基)-哌嗪基(10α-异构体) |
- |
- |
白色固体。M.p.137.3-137.8℃;[α]D 20+12.13°(c=0.89,CHCl3);IR(KBr) νmax:2976,2948,2922,2876,2864,2848,2826,1598,1566,1486,1452,1430,1412,1378,1360,1328,1312,1284,1274,1264,1244,1206,1184,1158,1136,1116,1102,1086,1042,1028,988,942,928,880,854,832,782,774,680;δH7.18-7.12(1H,m,Ph),6.88-6.77(3H,m,Ph),5.30(1H,s,H-12),4.08(1H,d,H-10,J=10.21Hz),3.24-3.12(6H,m,3xNCH2),2.84-2.78(2H,m,NCH2),2.66-2.59(1H,m),2.41-2.30(1H,m),2.05-1.20(13H,m),0.96(3H,d,6-Me,J=6.06Hz),0.84(3H,d,9-Me,J=7.17Hz);δC153.36,135.54,130.59,119.58,116.33,114.58,104.63,92.34,91.18,81.05,52.44,49.75,47.76,46.55,38.11,37.02,35.00,29.25,26.67,25.48,22.37,20.99,14.16;MS(ES)m/z465(MH+,13C,10%),464(MH+,13C,9%),463(MH+,100%);C25H35N2O4Cl分析计算值:C,64.85;H,7.62;N,6.05;实测值:C,64.91;H,7.73,N,6.00。 |
57 |
1-(2-氯苯基)-哌嗪基 |
- |
- |
白色固体。M.p.72-75℃;[α]D 20-5.15°(c=1.01,CHCl3);IR(纯品)νmax:3062,2926,2870,2360,1588,1480,1450,1376,1232,1206,1124,1040,984,926,880,828,762,668;δH7.37-6.92(4H,m,Ph),5.32(1H,s,H-12),4.09(1H,d,H-10,J=10.21Hz),3.23-3.05(8H,m,4xNCH2),2.67-2.60(1H,m,H-9),2.41(1H,m),2.37-1.20(13H,m),0.96(3H,d,6-Me,J=6.14Hz),0.85(3H,d,9-Me,J=7.19Hz);δC150.37,131.31,129.50,128.11,124.00,120.99,104.62,92.40,91.29,81.07,52.49,52.38,46.61,38.09,37.07,35.02,29.26,26.72,25.47,22.39,21.00,14.21;MS(ES正)m/z465(MH+,37Cl,20%),464(MH+,13C,19%),463(MH+,100%);C25H35N2O4Cl分析计算值:C,64.85;H,7.62;N,6.05;实测值:C,64.92;H,7.67,N,5.77。 |
58 |
1-(4-甲氧基苯基)-哌嗪基 |
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- |
白色固体。M.p.147.6-148.4℃;[α]D 20+9.07°(c=1.08,CHCl3);IR(KBr)νmax:2958,2924,2846,2810,1512,1464,1448,1420,1378,1350,1326,1310,1292,1264,1248,1206,1182,1160,1134,1108,1086,1060,1038,1026,1010,984,942,926,880,852,824,814,800;δH6.93-6.81(4H,m,Ph),5.30(1H,s,H-12),4.08(1H,d,H-10,J=10.20Hz),3.77(3H,s,OMe),3.20-3.04(6H,m,3xNCH2),2.86-2.80(2H,m,NCH2),2.66-2.59(1H,m),2.41-2.31(1H,m),2.05-1.21(13H,m),0.96(3H,d,6-Me,J=6.08Hz),0.84(3H,d,9-Me,J=7.16Hz);δC154.22,146.81,118.81,115.00,104.53,92.27,91.08,81.03,56.22,52.40,51.70,47.93,46.54,38.07,37.00,34.98,29.22,26.64,25.46,22.34,20.98,14.12;MS(ES正)m/z459(MH+,100%),458(M+,58%);C26H38N2O5分析计算值:C,68.10;H,8.35;N,6.11;实测值:C,68.16;H,8.42,N,5.97。 |
59 |
1-(邻甲苯基)-哌嗪基(10α-异构体) |
- |
- |
白色固体。M.p.141.6-142.8℃;[α]D 20+12.55°(c=1.02,CHCl3);IR(纯品)νmax:3026,3021,2926,2872,2360,1598,1492,1448,1376,1328,1306,1258,1226,1206,1180,1156,1132,1118,1056,1040,1026,982,958,926,880,850,828,762,722,668;δH7.19-7.14(2H,m,Ph),7.07-6.94(2H,m,Ph),5.33(1H,s,H-12),4.10(1H,d,H-10,J=10.17Hz),3.19-3.14(2H,m,NCH2),2.97-2.79(6H,m,3xNCH2),2.71-2.59(1H,m,H-9),2.37(1H,m),2.32(3H,s,PhMe),2.07-2.00(1H,m),1.71-1.17(11H,m),0.97(3H,d,6-Me,J=6.1Hz),0.87(3H,d,9-Me,J=7.2Hz);δC174.96,152.60,133.43,131.66,127.07,123.47,119.54,104.61,92.45,91.35,81.08,52.84,52.48,46.59,38.07,37.05,35.00,29.25,26.75,25.55,22.38,20.99,18.64,14.22;MS(CI,CH4)m/z444(MH+,13C,5.1%),443(MH+,18%),442(M+,7.6%);C26H38N2O4分析计算值:C,70.56;H,8.65;N,6.33;实测值:C,70.43;H,8.54,N,6.28. |
60 |
4-苄基哌嗪基(10α-异构体) |
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- |
白色固体。M.p.137.6-138.9℃;[α]D 20+10.82°(c0.98/CHCl3);IR(纯品)νmax:2924,2870,1452,1376,1206,1132,1098,1056,970,926,880,828,746,700;δH7.28-7.24(2H,m,Ph),7.19-7.12(3H,m,Ph),5.25(1H,s,H-12),4.00(1H,d,H-10,J=10.16Hz),3.00-2.86(2H,m),2.69-2.27(6H,m),2.02-1.41(10H,m),1.38(3H,s,3-Me),1.33-1.12(4H,m),1.09-0.97(1H,m),0.93(3H,d,6-Me,J=6.12Hz),0.78(3H,d,9-Me,J=7.18Hz);δC141.60(Ph),129.75(Ph),128.73(Ph),126.28(Ph),104.44,92.40,91.75,81.06,52.46,46.64,44.16,44.03,38.85,38.02,37.02,34.99,33.49,33.18,29.36,26.72,25.41,22.32,20.97,14.20;MS(CI正,NH3)m/z444(MH+,2x13C,2%),443(MH+,13C,12%),442(MH+,38%),441(M+,1%),C27H39NO4分析计算值:C,73.44;H,8.90;N,3.17;实测值:C,73.25;H,8.85,N,3.14。 |
61 |
6-甲氧基萘基10α-和10β-异构体 |
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- |
δH7.73-7.70(3H,m,Ph),7.59-7.55(1H,m,Ph),7.13-7.10(2H,m,Ph),4.50(1H,d,H-10,J=10.64Hz),3.91(3H,s,OMe),2.72-2.65(1H,m),2.49-2.43(1H,m),2.10-2.02(1H,m),1.96-1.87(1H,m),1.81-1.74(1H,m),1.68-1.53(4H,m),1.46(3H,s,3-Me),1.42-1.24(3H,m),1.13-1.05(1H,m),0.99(3H,d,6-Me,J=6.15Hz),0.55(3H,d,9-Me,J=7.19Hz);δC158.18,136.70,135.07,130.13,129.28,127.65,127.01,126.46,119.24,106.32,104.92,92.76,81.36,79.15,55.93,52.70,46.78,38.12,37.05,34.93,34.55,26.75,25.51,22.20,21.01,14.80;MS(ES正)m/z424(MH+,4%)。δH7.74-7.67(3H,m,Ph),7.39-7.35(1H,m,Ph),7.14-7.11(2H,m,Ph),5.86(1H,d,H-10,J=3.72Hz),5.54(1H,s,H-12),3.91(3H,s,OMe),2.86-2.78(1H,m),2.40-2.30(1H,m),2.09-1.58(5H,m),1.51-1.23(7H,m),0.99(3H,d,6-Me,J=5.58Hz),0.94-0.88(1H,m),0.52(3H,d,9-Me,J=7.65Hz);δC157.97,137.12,134.08,130.11,129.39,126.83,126.19,124.98,119.23,106.29,103.09,91.72,81.99,73.86,55.94,52.29,44.28,38.29,37.45,34.97,32.96,26.51,25.70,25.57,20.67,14.52;MS(CI正,CH4)m/z426(MH+,13C,2%),425(MH+,8%),424(M+,7%)。 |
实施例62
通过以下试验考察本发明化合物的杀寄生物的活性。
实施例中所用的缩写:CO2 = 二氧化碳DMSO = 二甲亚砜ED = 马的皮细胞系EDTA = 乙二胺四乙酸FCS = 胎牛血清RPMI = 用于细胞培养的生长培养基rpm = 每分钟转数VERO = 非洲绿猴的肾细胞系(a)体外筛选抗犬新孢子虫细胞培养物的化合物
在96-孔板(Falcon 3872)中进行筛选。在细胞培养板上放置单层宿主细胞(VERO或ED)。在2个50ml组织培养瓶(50cm3细胞培养面积)中培养未感染的单层细胞。在37℃下的CO2培养柜中,用胰蛋白酶-EDTA(5ml,Gibco 45300-019)分离该细胞层。10分钟后,分离大部分细胞。用5ml移液管将细胞转移至50ml装有大约1ml温热的牛胎血清的离心管(Greiner,B769331)中。以1500rmp转速离心5分钟(Varifuge 3.0,Heraeus)后,除去液体,将细胞沉淀混悬于RPMI培养基(100ml,95%RPMI 1640,2%FCS,1%L-谷氨酰胺,1%碳酸氢钠,1%青霉素/链霉素)中。以每孔150μl,将该细胞混悬液移至6个96孔板中。将此涂覆细胞的培养板放入37℃下的5%CO2培养柜中24小时。然后,以每孔48,000速殖子的浓度,用犬新孢子虫速殖子传染该细胞。然后在37℃下5%CO2中培养24小时。将试验化合物(0.5-1.5mg)称入1.5ml微量离心管中,用1ml二甲亚砜溶解,对应稀释成约1×10-3gml-1。再用组成为87%RPMI 1640、10%FCS、1%L-谷氨酰胺,1%碳酸氢钠、1%青霉素/链霉素的培养基稀释。在初筛中,使用的浓度为10-5、10-6和10-7gml-1。再以每孔150μl体积,将该稀释物转移至细胞滴定板中,24小时后,用犬新孢子虫传染。第一排,用未处理的培养基;这排含有作为对照的传染和未传染的细胞。在37℃下5%CO2中,将该细胞板培养5日。处理4日后及传染5日后,用25×10放大倍率的逆向显微镜按以下评估方案进行显微评定。
评定 观察效果
0=无效 单层完全被破坏
1=稍有效 单层部分被破坏,可见寄生虫丛
2=完全有效 单层完整,未观察到速殖子
3=细胞毒性 细胞死亡、溶解
结果见下表Ⅱ:
表Ⅱ
实施例编号 |
剂量(g/ml) |
10-5 |
10-6 |
10-7 |
10-8 |
2 |
1 |
1 |
0 |
- |
15 |
T/1 |
1 |
1 |
0 |
18 |
2 |
1 |
0 |
- |
19 |
T |
0 |
- |
- |
20 |
T/1 |
1 |
1 |
0 |
21 |
2 |
0 |
- |
- |
23 |
T/2 |
0 |
- |
- |
24 |
1 |
0 |
- |
- |
25 |
T/1 |
1 |
1 |
0 |
30 |
1 |
0 |
- |
- |
31 |
2 |
1 |
0 |
- |
32 |
2 |
0 |
- |
- |
青蒿素 |
0 |
- |
- |
- |
(b)体外筛选抗禽艾美球虫细胞培养物的化合物
将来自19日龄鸡的肾细胞以单层培养于含有Hanks乳清蛋白水解产物、5%胎牛血清、1%谷氨酰胺和1%非必需氨基酸的培养基的96-孔板(Falcon 3872)中。在42℃、5%CO2下2日后,以每孔约30.00的量,将培养物用离体的禽艾美球虫子孢子传染。将试验化合物溶于DMSO中,用培养基稀释至最大的终浓度10μgml-1。以1∶10步骤稀释。传染后5日,在100倍放大倍率的显微镜下评估该培养物,确定宿主细胞的状况以及完整的裂殖体和游离裂殖子的数量。按以下所示评价效果:
评定 观察效果
3=非常有效 无完整寄生虫/孔
2=有效 1-6个寄生虫/孔
1=稍有效 最多1个完整的裂殖体/视野内
0=无效 >1个完整的裂殖体/视野内
T=细胞毒性 宿主细胞死亡
结果见下表Ⅲ:
表Ⅲ
实施例编号 |
剂量(g/ml) |
10-5 |
10-6 |
10-7 |
10-8 |
2 |
2 |
2 |
1 |
0 |
15 |
2 |
2 |
1 |
0 |
18 |
T |
T |
1 |
0 |
19 |
T |
T |
1 |
0 |
20 |
T |
T/2 |
0 |
- |
21 |
T/2 |
0 |
- |
- |
23 |
T |
T/2 |
0 |
- |
24 |
2 |
1 |
0 |
- |
25 |
2 |
1 |
1 |
0 |
30 |
T |
2 |
0 |
- |
31 |
T |
1 |
0 |
- |
32 |
T |
2 |
0 |
- |
青蒿素 |
2 |
1 |
0 |
- |
(c)体外筛选抗恶性疟原虫化合物
采用两种寄生虫株-氯喹耐药株W2和氯喹敏感但对甲氟喹耐药株D6。在下表Ⅳ中,最佳的化合物应在这两株之间无交叉抗药性。
本试验取决于该寄生虫结合放射性标记的次黄嘌呤,对结合的抑制性取决于所知或候选的抗疟药物的活性。在每个试验中,采用已确证的抗疟药如氯喹、甲氟喹、奎宁、青蒿素和乙胺嘧啶作为对照。培养期为66小时,起始的寄生虫血症是0.2%(1%血细胞比容)。培养基是无叶酸或对氨基苯甲酸的RPMI-1640。用Albumax,而不用10%正常热失活的人血浆,用Albumax时,观察到很少的蛋白质粘合,在该模型中化合物能诱发稍高的活性。如果化合物未显示出所具有的活性,可将其直接溶于二甲亚砜(DMSO)中,然后用完全培养基稀释400倍。未知化合物起始的最大浓度为50,000ng ml-1,然后顺次2倍稀释11次,得到1048倍的浓度范围。将这些稀释过程在96-孔微量滴定板中通过Biomek1000液体处理系统自动进行。然后将稀释的药物转移至试验板中,加入200μl寄生虫化的红细胞,在37℃下,在5%CO2、5%O2和90%N2所控制的环境中培养。42小时后,加入25μl3H-次黄嘌呤,再将这些滴定板培养24小时。66小时后,在-70℃冷冻滴定板以溶解红细胞,然后解冻,收集到96孔收集器的玻璃纤维滤垫上。然后用闪烁计数器计数该滤垫。确定每个药物的浓度响应曲线,通过非线性对数剂量响应分析程序确定50%、90%和10%抑制浓度(IC50、IC90和IC10)。
初筛选采用3个稀释浓度进行试验以确定高、中或低浓度下的活性。可选浓度为50,000、500和50ng ml-1。在96-孔滴定板上,每板用14个试验化合物和一个已知化合物(标准物)进行该试验2次。该系统用Biomek稀释器自动进行混合并稀释药物,再将药物和寄生物加入到试验板中。在初筛中,如果ANALYSIS FIELD(AF)是“<”,那么该化合物“非常有效”,IC值很可能低于最后的稀释值(ng/ml),其被列在AF之后。在大多数情况下,以较低的起始浓度试验这些化合物以确定其真实IC值。如果AF是“>”,那么该IC值要大于初选的稀释值;因此“AF>250”是指IC值大于250ng ml-1,不必再进行筛选。在这种情况下,IC值为0.00。
结果见下表Ⅳ:
表Ⅳ
实施例编号 |
体外活性:IC50;IC90;(IC10)ng/ml |
W2株(氯喹耐药株) |
D6株(氯喹敏感株) |
IA(10α-异构体) |
0.69;0.97 |
0.64;1.24 |
IB(10β-异构体) |
0.69;0.98 |
0.74;1.36 |
2 |
0.31;0.52;(0.19) |
0.73;0.99;(0.53) |
4 |
0.84;1.74;(0.40) |
1.05;2.10;(0.52) |
12 |
0.78;1.32;(0.47) |
0.77;1.70;(0.35) |
15 |
0.66;0.84;(0.52) |
0.61;0.78;(0.48) |
16 |
0.64;0.84;(0.49) |
0.61;0.78;(0.48) |
18 |
0.23;0.33;(0.1 7) |
0.28;0.82;(0.09) |
19 |
0.33;0.43;(0.25) |
0.39;0.80;(0.19) |
20 |
5.81;12.77;(2.64) |
9.40;12.93;(6.84) |
21 |
0.00;0.00;250AF<0 |
1.77;3.96;(0.79) |
23 |
0.00;0.00;AF>250 |
0.00;0.00;AF>250 |
24 |
0.77;1.30;(0.46) |
1.17;2.10;(0.65) |
25 |
0.11;0.17;(0.07) |
0.09;0.35;(0.02) |
26 |
0.00;0.00;AF<4 |
9.05;16.24;(5.05) |
30 |
0.00;0.00;250AF<0 |
11.20;18.61;(6.74) |
31 |
0.29;0.68;(0.12) |
1.35;2.42;(0.75) |
32 |
0.45;0.92;(0.22) |
2.45;3.97;(1.51) |
36 |
0.26;0.61;(0.11) |
0.38;0.77;(0.19) |
38 |
1.23;2.76;(0.55) |
0.90;3.69;(0.22) |
41 |
0.73;1.7;(0.30) |
1.53;2.04;(1.16) |
44 |
0.3318;0.8168;(0.13) |
0.69;1.67;(0.29) |