实施例4:化合物的DNA旋转酶抑制活性
在DNA超螺旋实验中,测定化合物对DNA促旋酶活性的影响。具体如下:先配制好5×DNA促旋酶反应缓冲溶液,它由如下组分组成35mM Tris-HCl,24mM KCl,4mM MgCl2,2mM DTT,1.75mM ATP,5mM spermidine,0.1mg/ml BSA和6.5%甘油(pH7.5)。将4μL的5×DNA促旋酶反应缓冲溶液加入到11.3μL的水中,然后加入2μL松弛型DNA,再加入不同2μL不同浓度的受试化合物和0.7μLDNA促旋酶(5U/μL),37°C条件下反应1小时。加20μL氯仿-异戊醇(24/1)和20μL终止缓冲液终止反应,终止液的组成如下:40%蔗糖,100mM Tris.HCl(pH7.5),1mM EDTA,0.5mg/ml溴酚蓝。然后用1%的琼脂糖电泳,50V电压,电泳3小时,溴化乙锭(EB)染色,凝胶成像仪成像。IC50是指当受试化合物对酶活性抑制为50%时,受试化合物的浓度,结果见表2。
表2多靶点的黄酮-喹啉酮型化合物外排率(%)和DNA旋转酶抑制活性(IC50),以及抗菌活性(MIC50)
结果表明:化合物3、13、14、26、38、39、48、62、63、76、78、85、86、93、95、96对表皮葡萄球菌表现出优良的抗菌活性;化合物3、13、14、19、26、29、39、48、62、67、75、83、86、88、95对肺炎克雷伯菌表现出优良的抗菌活性;化合物3、13、14、26、33、39、48、50、62、68、77、82、86、90、95对新型隐球菌表现出优良的抗菌活性。化合物3、13、14、26、39、48、62、76、85、93、95、96不仅有较好的抗菌活性而且对DNA促旋酶和外排泵均起到了有效的抑制作用,证明是多靶点抗菌化合物。
本发明的上述实施例表明:在合成的多靶点的黄酮-喹啉酮型系列化合物中,一部分的抗菌作用高于阳性对照卡拉霉素、青霉素G和酮康唑,对大鼠的急毒实验表明,化合物3、13、14、26、39、48、62、86、95的剂量达到5g/kg(此剂量为药典规定的无毒剂量)时,没有发现大鼠有中毒迹象,因此在正常剂量下,它们作为药物应用是安全的。
化合物1-96的熔点、质谱及氢谱数据
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-3,5,3′,4′,5′-五羟基黄酮(1)
Mp212-213℃;EIMS m/z:663[M+];1H NMR(DMSO-d6)δppm:1.42(t,3H),2.12(t,2H),3.03(t,8H),4.07(t,2H),4.25-4.31(m,2H),5.34(s,4H),6.04(s,1H),6.25(d,2H),6.34-6.39(m,2H)7.12(s,1H),9.07(s,1H),12.12(s,1H),15.22(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-3,5,4′-三羟基黄酮(2)
Mp211-215℃;EIMS m/z:631[M+];1H NMR(DMSO-d6)δppm:1.44(t,3H),2.44(t,2H),3.43(t,8H),4.11(t,2H),4.32-4.40(m,2H),5.35(s,2H),6.03(s,1H),6.27(d,1H)6.53(dd,2H),6.65(d,1H),7.02(s,1H),7.32(dd,2H),9.01(s,1H),12.22(s,1H),15.12(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-3,5,3′,4′-四羟基黄酮(3)
Mp201-203℃;EIMS m/z:647[M+];1H NMR(DMSO-d6)δppm:1.41(t,3H),2.41(t,2H),3.24(t,8H),4.07(t,2H),4.33-4.41(m,2H),5.34(s,3H),6.02(s,1H),6.17-6.22(m,2H),6.93-7.02(m,3H),7.24(s,1H),9.03(s,1H),12.12(s,1H),15.31(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,4′-二羟基异黄酮(4)
Mp214-216℃;EIMS m/z:615[M+];1H NMR(DMSO-d6)δppm:1.42(t,3H),2.41(t,2H),3.13(t,8H),4.01(t,2H),4.15-4.18(m,2H),5.35(s,1H),6.02(s,1H),6.17(d,1H),6.23(dd,2H),6.48(d,1H),6.73(dd,2H),6.85(s,1H),7.03(s,1H),9.01(s,1H),11.99(s,1H),15.24(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-4′-羟基异黄酮(5)
Mp257-260℃;EIMS m/z:599[M+];1H NMR(DMSO-d6)δppm:1.43(t,3H),2.33(t,2H),3.12(t,8H),4.01(t,2H),4.21-4.30(m,2H),5.23(s,1H),6.02(s,1H),6.16(dd,2H),6.27(dd,1H),6.49(d,1H),7.01-7.08(m,2H),7.17(s,1H),7.31(dd,2H),9.03(s,1H),15.13(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,3′,4′-三羟基黄酮(6)
Mp244-246℃;EIMS m/z:631[M+];1H NMR(DMSO-d6)δppm:1.44(t,3H),2.32(t,2H),3.03(t,8H),4.01(t,2H),4.22(t,2H),5.32(s,2H),6.01(s,1H),6.22(d,1H),6.44-6.53(m,2H),6.99-7.07(m,3H),7.23(s,1H),9.01(s,1H)12.11(s,1H),15.07(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-3,3′,4′-三羟基黄酮(7)
Mp249-251℃;EIMS m/z:631[M+];1H NMR(DMSO-d6)δppm:1.31(t,3H),2.31(t,2H),2.97(t,8H),4.07(t,2H),4.33-4.43(m,2H),5.34(s,3H),6.02(s,1H),6.47-6.55(m,3H),6.71-6.77(m,2H),7.01-7.10(m,2H),9.03(s,1H),15.17(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,6-二羟基黄酮(8)
Mp232-235℃;EIMS m/z:615[M+];1H NMR(DMSO-d6)δppm:1.44(t,3H),2.33(t,2H),3.01(t,8H),4.03(t,2H),4.34-4.44(m,2H),5.35(s,1H),6.04(s,1H),6.15(s,1H),6.31-6.39(m,3H),6.77-6.85(m,2H),7.03(s,1H),7.15(s,1H),9.07(s,1H),12.22(s,1H),15.21(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,3′-二羟基-4′-甲氧基黄酮(9)
Mp258-261℃;EIMS m/z:645[M+];1H NMR(DMSO-d6)δppm:1.42(t,3H),2.67(t,2H),3.33(t,8H),3.47(s,3H),4.12(t,2H),4.32-4.42(m,2H),5.34(s,1H),6.05(s,1H),6.21(d,1H),6.67-6.76(m,4H),6.88(s,1H),7.11(s,1H),9.01(s,1H),12.31(s,1H),15.21(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5-羟基黄酮(10)
Mp276-279℃;EIMS m/z:599[M+];1H NMR(DMSO-d6)δppm:1.22(t,3H),2.41(t,2H),3.11(t,8H),4.09(t,2H),4.33-4.46(m,2H),6.04(s,1H),6.27(d,1H),6.45(d,1H),6.60(s,1H),6.72-6.81(m,3H),6.95(dd,2H),7.08(s,1H),8.94(s,1H),11.95(s,1H),15.11(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,4′-二羟基黄酮(11)
Mp248-252℃;EIMS m/z:615[M+];1H NMR(DMSO-d6)δppm:1.41(t,3H),2.43(t,2H),2.99(t,8H),4.01(t,2H),4.27-4.36(m,2H),5.35(s,1H),6.03(s,1H),6.22(d,1H),6.42-4.67(m,4H),6.53(dd,2H),7.03(s,1H),8.96(s,1H),12.22(s,1H),15.11(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-4′-甲氧基异黄酮(12)
Mp224-226℃;EIMS m/z:613[M+];1H NMR(DMSO-d6)δppm:1.33(t,3H),2.43(t,2H),3.34(t,8H),3.83(s,3H),4.12(t,2H),4.34-4.43(m,2H),6.06(s,1H),6.34(dd,1H),6.49-6.57(m,3H),6.76(d,1H),6.89(dd,2H),7.02-7.10(m,2H),9.01(s,1H),15.21(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-4-羟基二氢黄酮(13)
Mp195-197℃;EIMS m/z:601[M+];1H NMR(DMSO-d6)δppm:1.43(t,3H),2.42(t,2H),3.24(t,8H),3.63(d,2H),4.09(t,2H),4.33-4.41(m,2H),5.34(s,1H),5.67(t,1H),6.02(s,1H),6.26-6.32(m,2H),6.75(dd,2H),7.24(dd,2H),7.94(d,1H),9.15(s,1H),12.20(s,1H),15.19(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,4′-二羟基二氢黄酮(14)
Mp166-168℃;EIMS m/z:617[M+];1H NMR(DMSO-d6)δppm:1.43(t,3H),2.42(t,2H),3.22(t,8H),3.65(d,2H),4.07(t,2H),4.33-4.41(m,2H),5.34(s,2H),5.67(t,1H),6.10(s,1H),6.22(s,1H),6.34(s,1H),6.75(dd,2H),7.23(dd,2H),9.15(s,1H),12.18(s,1H),15.26(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,3′-二羟基-3′-甲氧基二氢黄酮(15)
Mp169-171℃;EIMS m/z:647[M+];1H NMR(DMSO-d6)δppm:1.41(t,3H),2.38(t,2H),3.20(t,8H),3.65(d,2H),4.01(s,3H),4.07(t,2H),4.33-4.41(m,2H),5.34(s,2H),5.65(t,1H),6.02(s,1H),6.26(s,1H),6.37(s,1H),6.80(d,1H),6.96(d,1H),7.03(d,1H),9.13(s,1H),12.20(s,1H),15.18(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,3′,4′,5′,3″-五羟基二氢黄酮(16)
Mp199-201℃;EIMS m/z:665[M+];1H NMR(DMSO-d6)δppm:1.43(t,3H),2.42(t,2H),3.23(t,8H),3.99(s,1H),4.09(t,2H),4.33-4.41(m,2H),5.34(s,4H),5.69-5.74(m,2H),6.04(s,1H),6.23(s,1H),6.34(s,1H),6.57(dd,2H),9.02(s,1H),12.15(s,1H),15.13(s,1H)。
7-(2-(4-(1-(4-氟苯基)-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-3,5,3′,4′,5′-五羟基黄酮(17)
Mp231-233℃;EIMS m/z:729[M+];1H NMR(DMSO-d6)δppm:2.45(t,2H),3.13(t,8H),3.98(t,2H),5.35(s,4H),6.01(s,1H),6.28(d,2H),6.39-6.45(m,2H),6.46(dd,2H),6.87(dd,2H),7.17(s,1H),9.04(s,1H),11.97(s,1H),15.23(s,1H)。
7-(2-(4-(1-(4-氟苯基)-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-3,5,4′-三羟基黄酮(18)
Mp235-237℃;EIMS m/z:697[M+];1H NMR(DMSO-d6)δppm:2.33(t,2H),3.01(t,8H),4.11(t,2H),5.34(s,2H),6.01(s,1H),6.22(d,1H),6.34-6.42(m,4H),6.55(d,1H),6.78(dd,2H),7.02(s,1H),7.22(dd,2H),9.00(s,1H),12.11(s,1H),15.21(s,1H)。
7-(2-(4-(1-(4-氟苯基)-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-3,5,3′,4′-四羟基黄酮(19)
Mp237-239℃;EIMS m/z:713[M+];1H NMR(DMSO-d6)δppm:2.21(t,2H),3.03(t,8H),4.12(t,2H),5.35(s,3H),6.01(s,1H),6.21-6.25(m,2H),6.43(dd,2H),6.72(dd,2H),6.95-7.03(m,3H),7.21(s,1H),8.89(s,1H),12.13(s,1H),15.22(s,1H)。
7-(2-(4-(1-(4-氟苯基)-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,4′-二羟异基黄酮(20)
Mp243-246℃;EIMS m/z:681[M+];1H NMR(DMSO-d6)δppm:2.33(t,2H),2.98(t,8H),4.10(t,2H),5.31(s,1H),6.03(s,1H),6.16(d,1H),6.31(dd,2H),6.47-6.52(m,5H),6.64(dd,2H),7.02(s,1H),7.21(s,1H),9.11(s,1H),12.03(s,1H),15.12(s,1H)。
7-(2-(4-(1-(4-氟苯基)-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-4′-羟基异黄酮(21)
Mp219-222℃;EIMS m/z:665[M+];1H NMR(DMSO-d6)δppm:2.37(t,2H),3.24(t,8H),4.11(t,2H),5.23(s,1H),6.01(s,1H),6.43-6.51(m,5H),6.67(dd,2H),6.83(d,1H),7.01(s,1H),7.21(dd,2H),7.33(s,1H),7.61(s,1H),9.05(s,1H),15.31(s,1H)。
7-(2-(4-(1-(4-氟苯基)-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,3′,4′-三羟基黄酮(22)
Mp290-292℃;EIMS m/z:697[M+];1H NMR(DMSO-d6)δppm:2.33(t,2H),3.13(t,8H),4.11(t,2H),5.34(s,2H),6.07(s,1H),6.25(d,1H),6.45-6.53(m,3H),6.77(dd,2H),7.04-7.11(m,4H),7.23(s,1H),9.01(s,1H),12.21(s,1H),15.31(s,1H)。
7-(2-(4-(1-(4-氟苯基)-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-3,3′,4′-三羟基黄酮(23)
Mp282-284℃;EIMS m/z:697[M+];1H NMR(DMSO-d6)δppm:2.47(t,2H),3.16(t,8H),4.11(t,2H),5.27(s,3H),6.03(s,1H),6.19(dd,2H),6.31-6.37(m,3H),6.49-6.57(m,4H),6.98(s,1H),7.15(d,1H),9.07(s,1H),15.19(s,1H)。
7-(2-(4-(1-(4-氟苯基)-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,6-二羟基黄酮(24)
Mp205-210℃;EIMS m/z:681[M+];1H NMR(DMSO-d6)δppm:2.27(t,2H),3.17(t,8H),4.12(t,2H),5.32(s,1H),6.01(s,1H),6.21(s,1H),6.67-6.71(m,5H),6.97(s,1H),7.04-7.12(m,5H),9.11(s,1H),12.13(s,1H),15.16(s,1H)。
7-(2-(4-(1-(4-氟苯基)-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,3′-二羟基-4′-甲氧基黄酮(25)
Mp279-282℃;EIMS m/z:711[M+];1H NMR(DMSO-d6)δppm:2.45(t,2H),3.08(t,8H),3.74(s,3H),4.14(t,2H),5.32(s,1H),6.11(s,1H),6.32(dd,2H),6.43(d,1H),6.67-6.86(m,5H),7.01(dd,2H),7.12(s,1H),9.04(s,1H),12.01(s,1H),15.15(s,1H)。
7-(2-(4-(1-(4-氟苯基)-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5-羟基黄酮(26)
Mp217-219℃;EIMS m/z:665[M+];1H NMR(DMSO-d6)δppm:2.52(t,2H),3.04(t,8H),4.11(t,2H),6.07(s,1H),6.28(d,1H),6.37(dd,2H),6.52(d,1H),6.67-6.76(m,4H),6.88(s,1H),7.03(dd,2H),7.17(dd,2H),9.01(s,1H),12.19(s,1H),14.97(s,1H)。
7-(2-(4-(1-(4-氟苯基)-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,4′-二羟基黄酮(27)
Mp233-235℃;EIMS m/z:681[M+];1H NMR(DMSO-d6)δppm:2.57(t,2H),3.13(t,8H),4.11(t,2H),5.31(s,1H),6.08(s,1H),6.33(d,1H),6.47-6.56(m,6H),6.77(dd,2H),6.94(dd,2H),7.12(s,1H),9.03(s,1H),12.22(s,1H),15.33(s,1H)。
7-(2-(4-(1-(4-氟苯基)-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-4′-甲氧基异黄酮(28)
Mp282-284℃;EIMS m/z:679[M+];1H NMR(DMSO-d6)δppm:2.43(t,2H),3.17(t,8H),3.79(s,3H),4.11(t,2H),6.01(s,1H),6.23(dd,2H),6.37(dd,1H),6.53-6.61(m,5H),6.83(d,1H),7.02(s,1H),7.21(dd,2H),7.37(s,1H),9.04(s,1H),15.31(s,1H)。
7-(2-(4-(1-(4-氟苯基)-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-4-羟基二氢黄酮(29)
Mp223-225℃;EIMS m/z:667[M+];1H NMR(DMSO-d6)δppm:2.33(t,2H),3.25(t,8H),3.65(d,2H),4.11(t,2H),5.34(s,1H),5.64(t,1H),6.23-6.30(m,2H),6.45(dd,2H),6.70(dd,2H),7.12(s,1H),7.20(dd,2H),7.27(dd,2H),7.90(d,1H),9.11(s,1H),12.14(s,1H),15.25(s,1H)。
7-(2-(4-(1-(4-氟苯基)-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,4′-二羟基二氢黄酮(30)
Mp143-145℃;EIMS m/z:683[M+];1H NMR(DMSO-d6)δppm:2.34(t,2H),3.21(t,8H),3.65(d,2H),4.16(t,2H),5.33(s,2H),5.67(t,1H),6.26(s,1H),6.37(s,1H),6.75(dd,2H),6.79(dd,2H),7.02(s,1H),7.22(dd,2H),9.10(s,1H),7.27(dd,2H),12.21(s,1H),15.24(s,1H)。
7-(2-(4-(1-(4-氟苯基)-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,3′-二羟基-3′-甲氧基二氢黄酮(31)
Mp169-171℃;EIMS m/z:713[M+];1H NMR(DMSO-d6)δppm:2.31(t,2H),3.01(t,8H),3.65(d,2H),4.03(s,3H),4.11(t,2H),5.34(s,2H),5.67(t,1H),6.26(s,1H),6.37(s,1H),6.73(dd,2H),6.80(d,1H),6.91(d,1H),7.05(d,1H),7.13(s,1H),7.25(dd,2H),9.04(s,1H),12.07(s,1H),15.19(s,1H)。
7-(2-(4-(1-(4-氟苯基)-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,3′,4′,5′,3″-五羟基二氢黄酮(32)
Mp158-160℃;EIMS m/z:731[M+];1H NMR(DMSO-d6)δppm:2.39(t,2H),3.29(t,8H),3.95(s,1H),4.12(t,2H),5.34(s,4H),5.69-5.74(m,2H),6.26(s,1H),6.33(s,1H),6.54(dd,2H),6.73(dd,2H),7.12(s,1H),7.24(dd,2H),9.07(s,1H),12.16(s,1H),15.17(s,1H)。
7-(2-(2-甲基-4-(1-乙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-3,5,3′,4′,5′-五羟基黄酮(33)
Mp239-241℃;EIMS m/z:695[M+];1H NMR(DMSO-d6)δppm:1.21-1.24(m,6H),2.43(t,2H),2.89-2.97(m,7H)4.01(t,2H),4.19-4.26(m,2H),5.36(s,4H),6.31(d,2H),6.43-6.47(m,2H),7.01(s,1H),9.03(s,1H),12.11(s,1H),15.14(s,1H)。
7-(2-(2-甲基-4-(1-乙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-3,5,4′-三羟基黄酮(34)
Mp252-255℃;EIMS m/z:663[M+];1H NMR(DMSO-d6)δppm:1.01(d,3H),1.42(t,3H),2.31(t,2H),2.96-3.03(m,7H),4.09(t,2H),4.32-4.41(m,2H),5.33(s,2H),6.24(d,1H),6.43(dd,2H),6.67(d,1H),6.94(s,1H),7.22(dd,2H),9.06(s,1H),12.07(s,1H),15.23(s,1H)。
7-(2-(2-甲基-4-(1-乙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-3,5,3′,4′-四羟基黄酮(35)
Mp208-210℃;EIMS m/z:679[M+];1H NMR(DMSO-d6)δppm:1.38-1.42(m,6H),2.14(t,2H),2.79-2.84(m,4H),3.11-3.20(m,3H),4.03(t,2H),4.23-4.41(m,2H),5.44(s,3H),6.27(d,1H),6.72-6.75(m,2H),6.86(d,1H),7.01(dd,1H),7.13(s,1H),9.01(s,1H),12.01(s,1H),15.21(s,1H)。
7-(2-(2-甲基-4-(1-乙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,4′-二羟异基黄酮(36)
Mp199-201℃;EIMS m/z:647[M+];1H NMR(DMSO-d6)δppm:1.12(d,3H),1.42(t,3H),2.32(t,2H),2.99-3.08(m,7H),3.99(t,2H),4.25-4.36(m,2H),5.24(s,1H),6.13(d,1H),6.27(dd,2H),6.68(s,1H),7.13-7.19(m,3H),7.23(s,1H),8.72(s,1H),11.79(s,1H),15.22(s,1H)。7-(2-(2-甲基-4-(1-乙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-4′-羟基异黄酮(37)
Mp283-285℃;EIMS m/z:631[M+];1H NMR(DMSO-d6)δppm:1.31-1.37(m,6H),2.24(t,2H),2.88-2.97(m,3H),3.01-3.10(m,4H),4.02(t,2H),4.33-4.46(m,2H),5.34(s,1H),6.25(dd,2H),6.37(dd,1H),6.86(s,1H),6.98(d,1H)7.06(dd,2H),7.21(s,1H),7.43(s,1H),9.03(s,1H),15.11(s,1H)。
7-(2-(2-甲基-4-(1-乙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,3′,4′-三羟基黄酮(38)
Mp273-275℃;EIMS m/z:663[M+];1H NMR(DMSO-d6)δppm:1.01(d,3H),1.41(t,3H),2.23(t,2H),2.97-3.06(m,7H),4.11(t,2H),4.25-4.36(m,2H),5.32(s,2H),6.16(d,1H),6.43-6.51(m,2H),6.69-6.76(m,2H),7.07(s,1H),7.21(s,1H),9.04(s,1H),11.99(s,1H),15.22(s,1H)。
7-(2-(2-甲基-4-(1-乙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-3,3′,4′-三羟基黄酮(39)
Mp213-215℃;EIMS m/z:663[M+];1H NMR(DMSO-d6)δppm:1.01(d,3H),1.37(t,3H),2.37(t,2H)2.89-2.98(m,7H),4.07(t,2H),4.21-4.32(m,2H),5.35(s,3H),6.29-6.37(m,2H),6.56-6.63(m,3H),6.87(s,1H),7.11(d,1H),8.97(s,1H),15.18(s,1H)。
7-(2-(2-甲基-4-(1-乙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,6-二羟基黄酮(40)
Mp262-264℃;EIMS m/z:647[M+];1H NMR(DMSO-d6)δppm:1.22(d,3H),1.41(t,3H),2.37(t,2H),2.97-3.16(m,7H),4.02(t,2H),4.18-4.25(m,2H),5.31(s,1H),6.17(s,1H),6.34-6.42(m,3H),6.77-6.86(m,2H),6.97(s,1H),7.15(s,1H),8.99(s,1H),12.32(s,1H),14.96(s,1H)。
7-(2-(2-甲基-4-(1-乙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,3′-二羟基-4′-甲氧基黄酮(41)
Mp271-273℃;EIMS m/z:677[M+];1H NMR(DMSO-d6)δppm:1.12(d,3H),1.43(t,3H),2.54(t,2H),3.02-3.11(m,7H),3.67(s,3H),4.03(t,2H),4.32-4.44(m,2H),5.31(s,1H),6.12(d,1H),6.34-6.42(m,4H),6.67(dd,1H),7.02(s,1H),9.07(s,1H),12.11(s,1H),15.21(s,1H)。
7-(2-(2-甲基-4-(1-乙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5-羟基黄酮(42)
Mp281-283℃;EIMS m/z:631[M+];1H NMR(DMSO-d6)δppm:1.11(d,3H),1.42(t,3H),2.44(t,2H),2.99-3.08(m,7H),4.01(t,2H),4.32(m,2H),6.12(d,1H),6.25-6.31(m,2H),6.52-6.61(m,3H),6.73(dd,2H)7.02(s,1H),9.05(s,1H),12.11(s,1H),15.14(s,1H)。
7-(2-(2-甲基-4-(1-乙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,4′-二羟基黄酮(43)
Mp291-293℃;EIMS m/z:647[M+];H NMR(DMSO-d6)δppm:1.17(d,3H),1.32(t,3H),2.44(t,2H),3.03-3.12(m,7H),4.07(t,2H),4.41-4.55(m,2H),5.33(s,1H),6.24(d,1H),6.37-6.46(m,4H),6.67(dd,2H),7.03(s,1H),9.11(s,1H),12.33(s,1H),15.21(s,1H)。
7-(2-(2-甲基-4-(1-乙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-4′-甲氧基异黄酮(44)
Mp270-273℃;EIMS m/z:645[M+];1H NMR(DMSO-d6)δppm:1.13(d,3H),1.41(t,3H),2.49(t,2H),2.98-3.07(m,7H),3.77(s,3H),4.11(t,2H),4.33-4.45(m,2H),6.47(dd,1H),6.63-6.71(m,3H),6.89(s,1H),7.15(dd,2H),7.29(d,1H),741(s,1H),9.09(s,1H),15.22(s,1H)。
7-(2-(2-甲基-4-(1-乙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-4-羟基二氢黄酮(45)
Mp218-220℃;EIMS m/z:633[M+];1H NMR(DMSO-d6)δppm:1.21-1.29(m,6H),2.53(t,2H),2.88-2.95(m,7H),3.62(d,2H),4.04(t,2H),4.19-4.26(m,2H),5.33(s,1H),5.63(t,1H),6.26-6.34(m,2H),6.75(dd,2H),7.06(s,1H),7.22(dd,2H),7.90(d,1H),9.03(s,1H),15.14(s,1H)。
7-(2-(2-甲基-4-(1-乙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,4′-二羟基二氢黄酮(46)
Mp149-151℃;EIMS m/z:649[M+];1H NMR(DMSO-d6)δppm:1.21-1.24(m,6H),2.48(t,2H),2.82-2.93(m,7H),3.65(d,2H),4.05(t,2H),4.14-4.21(m,2H),5.34(s,2H),5.67(t,1H),6.26(s,1H),6.36(s,1H),6.75(dd,2H),7.07(s,1H),7.27(dd,2H),9.06(s,1H),15.15(s,1H)。
7-(2-(2-甲基-4-(1-乙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,3′-二羟基-3′-甲氧基二氢黄酮(47)
Mp191-193℃;EIMS m/z:679[M+];1H NMR(DMSO-d6)δppm:1.20-1.29(m,6H),2.45(t,2H),2.89-2.96(m,7H),3.65(d,2H),4.06(t,2H),4.09(s,3H),4.19-4.24(m,2H),5.34(s,2H),5.67(t,1H),6.26(s,1H),6.37(s,1H),6.80(d,1H),6.96(d,1H),7.08(d,1H),7.14(s,1H),9.11(s,1H),15.17(s,1H)。
7-(2-(2-甲基-4-(1-乙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,3′,4′,5′,3″-五羟基二氢黄酮(48)
Mp153-155℃;EIMS m/z:697[M+];1H NMR(DMSO-d6)δppm:1.28-1.37(m,6H),2.44(t,2H),2.89-2.99(m,7H),3.98(s,1H),4.11(t,2H),4.14-4.25(m,2H),5.34(s,4H),5.69-5.74(m,2H),6.26(s,1H),6.37(s,1H),6.57(dd,2H),7.12(s,1H),9.21(s,1H),15.17(s,1H)。
7-(2-(4-(1-环丙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-3,5,3′,4′,5′-五羟基黄酮(49)
Mp209-212℃;EIMS m/z:675[M+];1H NMR(DMSO-d6)δppm:1.17-1.21(m,4H),2.27(t,2H),3.11(t,8H),4.11-4.14(m,3H),5.43(s,4H),6.02(s,1H),6.23(d,2H),6.33-6.35(m,2H),6.77(s,1H),8.97(s,1H),12.07(s,1H),15.22(s,1H)。
7-(2-(4-(1-环丙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-3,5,4′-三羟基黄酮(50)
Mp292-295℃;EIMS m/z:643[M+];1H NMR(DMSO-d6)δppm:1.23-1.31(m,4H),2.23(t,2H),3.01(t,8H),4.07-4.12(m,3H),5.22(s,2H),6.07(s,1H),6.27(d,1H),6.44(dd,2H),6.67(d,1H),6.98(s,1H),7.23(dd,2H),8.97(s,1H),12.11(s,1H),15.22(s,1H)。
7-(2-(4-(1-环丙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-3,5,3′,4′-四羟基黄酮(51)
Mp236-239℃;EIMS m/z:659[M+];1H NMR(DMSO-d6)δppm:1.34-1.39(m,4H),2.47(t,2H),2.98(t,8H),4.03-4.11(m,3H),5.35(s,3H),6.02(s,1H),6.27(d,1H),6.54-6.61(m,2H),6.84(d,1H),7.05(dd,1H),7.22(s,1H),9.01(s,1H),12.21(s,1H),15.11(s,1H)。
7-(2-(4-(1-环丙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,4′-二羟异基黄酮(52)
Mp277-280℃;EIMS m/z:627[M+];1H NMR(DMSO-d6)δppm:1.08-1.13(m,4H),2.33(t,2H),3.15(t,8H),4.01-4.14(m,3H),5.21(s,1H),6.02(s,1H),6.21(d,1H),6.44(dd,2H),6.72(d,1H),6.99(s,1H),7.23(dd,2H),7.45(s,1H),8.77(s,1H),12.03(s,1H),15.09(s,1H)。
7-(2-(4-(1-环丙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-4′-羟基异黄酮(53)
Mp275-277℃;EIMS m/z:611[M+];1H NMR(DMSO-d6)δppm:1.21-1.29(m,4H),2.31(t,2H),3.22(t,8H),4.07-4.16(m,3H),5.43(s,1H),6.05(s,1H),6.23(dd,2H),6.33(dd,1H),6.52(d,1H),6.76-6.83(m,2H),7.05(dd,2H),7.19(s,1H),8.93(s,1H),15.21(s,1H)。
7-(2-(4-(1-环丙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,3′,4′-三羟基黄酮(54)
Mp207-209℃;EIMS m/z:643[M+];1H NMR(DMSO-d6)δppm:1.29-1.34(m,4H),2.55(t,2H),2.97(t,8H),4.11-4.18(m,3H),5.32(s,2H),6.03(s,1H),6.16(d,1H),6.31-6.39(m,2H),6.67-6.74(m,2H),6.87(dd,1H),7.01(s,1H),8.92(s,1H),12.01(s,1H),15.14(s,1H)。
7-(2-(4-(1-环丙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-3,3′,4′-三羟基黄酮(55)
Mp241-243℃;EIMS m/z:643[M+];1H NMR(DMSO-d6)δppm:1.29-1.34(m,4H),2.57(t,2H),3.14(t,8H),4.09-4.17(m,3H),5.34(s,3H),6.02(s,1H),6.17-6.25(m,2H),6.34-6.41(m,3H),7.01-7.08(m,2H),9.03(s,1H),15.27(s,1H)。
7-(2-(4-(1-环丙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,6-二羟基黄酮(56)
Mp253-255℃;EIMS m/z:613[M+];1H NMR(DMSO-d6)δppm:1.22-1.31(m,4H),2.44(t,2H),3.13(t,8H),4.12-4.16(m,3H),5.31(s,1H),6.01(s,1H),6.17(s,1H),6.34(s,1H),6.73-6.81(m,3H),6.95-6.72(m,2H),7.04(s,1H),8.93(s,1H),12.11(s,1H),15.14(s,1H)。
7-(2-(4-(1-环丙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,3′-二羟基-4′-甲氧基黄酮(57)
Mp234-236℃;EIMS m/z:657[M+];1H NMR(DMSO-d6)δppm:1.27-1.35(m,4H),2.64(t,2H),3.05(t,8H),3.65(s,3H)4.08-4.15(m,3H),5.34(s,1H),6.03(s,1H),6.23(d,1H),6.43-6.52(m,4H),6.68(dd,1H),7.04(s,1H),9.13(s,1H),12.13(s,1H),15.09(s,1H)。
7-(2-(4-(1-环丙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5-羟基黄酮(58)
Mp289-292℃;EIMS m/z:611[M+];1H NMR(DMSO-d6)δppm:1.33-1.41(m,4H),2.48(t,2H),3.12(t,8H),4.07-4.15(m,3H),6.02(s,1H),6.17(d,1H),6.31-6.37(m,2H),6.79-6.85(m,3H),6.97(s,1H),7.11(dd,2H),9.01(s,1H),12.13(s,1H),15.17(s,1H)。
7-(2-(4-(1-环丙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,4′-二羟基黄酮(59)
Mp267-270℃;EIMS m/z:627[M+];1H NMR(DMSO-d6)δppm:1.27-1.35(m,4H),2.37(t,2H),3.31(t,8H),4.10-4.19(m,3H),5.34(s,1H),6.08(s,1H),6.27(d,1H),6.43-6.52(m,4H),6.77(s,1H),6.97(dd,2H),8.99(s,1H),12.20(s,1H),15.12(s,1H)。
7-(2-(4-(1-环丙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-4′-甲氧基异黄酮(60)
Mp243-246℃;EIMS m/z:625[M+];1H NMR(DMSO-d6)δppm:1.21-1.29(m,4H),2.48(t,2H),3.17(t,8H),3.73(s,3H),4.07-4.16(m,3H),6.04(s,1H),6.31(d,1H),6.53(dd,2H),6.67(d,1H),6.89-6.94(m,2H),7.14(dd,2H),7.43(s,1H),9.04(s,1H),15.21(s,1H)。
7-(2-(4-(1-环丙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-4-羟基二氢黄酮(61)
Mp185-187℃;EIMS m/z:627[M+];1H NMR(DMSO-d6)δppm:1.24-1.38(m,4H),2.27(t,2H),3.25(t,8H),3.68(d,2H),4.07-4.14(m,3H),5.34(s,1H),5.67(t,1H),6.07(s,1H),6.26-6.32(m,2H),6.75(dd,2H),7.27(dd,2H),7.90(d,1H),8.91(s,1H),12.20(s,1H),15.12(s,1H)。
7-(2-(4-(1-环丙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,4′-二羟基二氢黄酮(62)
Mp168-170℃;EIMS m/z:630[M+];1H NMR(DMSO-d6)δppm:1.18(s,2H),1.31(dd,2H),1.96(s,2H),2.74(d,4H),2.79(t,2H),3.33-3.42(m,4H),3.82(t,1H),4.20(t,2H),5.50(dd,1H),6.13(dd,2H),6.80(d,2H),7.33(d,2H),7.57(d,1H),7.92(d,1H),8.67(s,1H),9.64(s,1H),12.02(s,1H),15.29(s,1H)。
7-(2-(4-(1-环丙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,3′-二羟基-3′-甲氧基二氢黄酮(63)
Mp161-163℃;EIMS m/z:659[M+];1H NMR(DMSO-d6)δppm:1.29-1.37(m,4H),2.25(t,2H),3.03(t,8H),3.65(d,2H),4.07-4.14(m,3H),4.22(m,3H),5.34(s,2H),5.67(t,1H),6.05(s,1H),6.26(s,1H),6.37(s,1H),6.80(d,1H),6.91(d,1H),7.04(d,1H),8.96(s,1H),12.04(s,1H),15.20(s,1H)。
7-(2-(4-(1-环丙基-3-羧基-6-氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,3′,4′,5′,3″-五羟基二氢黄酮(64)
Mp139-141℃;EIMS m/z:677[M+];1H NMR(DMSO-d6)δppm:1.25-1.37(m,4H),2.21(t,2H),3.21(t,8H),3.95(s,1H),4.07-4.12(m,3H),5.34(s,4H),5.69-5.74(m,2H),6.03(s,1H),6.26(s,1H),6.37(s,1H),6.57(dd,2H),8.90(s,1H),12.13(s,1H),15.27(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-8-杂氮-7-基)哌嗪-1-基)乙氧基)-3,5,3′,4′,5′-五羟基黄酮(65)
Mp213-216℃;EIMS m/z:664[M+];1H NMR(DMSO-d6)δppm:1.42(t,3H),2.21(t,2H),3.33(t,8H),4.05(t,2H),4.17-4.29(m,2H),5.25(s,4H),6.25(d,2H),6.31(d,1H),6.56(d,1H),6.98(s,1H),9.11(s,1H),11.99(s,1H),15.08(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-8-杂氮-7-基)哌嗪-1-基)乙氧基)-3,5,4′-三羟基黄酮(66)
Mp217-219℃;EIMS m/z:618[M+];1H NMR(DMSO-d6)δppm:1.41(t,3H),2.31(t,2H),3.11(t,8H),4.01(t,2H),4.23-4.37(m,2H),5.33(s,2H),6.25(d,1H),6.56(dd,2H),6.72(d,1H),7.01(s,1H),7.22(dd,2H),9.08(s,1H),12.11(s,1H),15.21(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-8-杂氮-7-基)哌嗪-1-基)乙氧基)-3,5,3′,4′-四羟基黄酮(67)
Mp211-214℃;EIMS m/z:648[M+];1H NMR(DMSO-d6)δppm:1.42(t,3H),2.44(t,2H),3.22(t,8H),4.11(t,2H),4.37-4.46(m,2H),5.34(s,3H),6.27(d,1H),6.33-6.41(m,2H),6.67(d,1H),6.81(d,1H),7.03(s,1H),9.01(s,1H),19.89(s,1H),15.13(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-8-杂氮-7-基)哌嗪-1-基)乙氧基)-5,4′-二羟异基黄酮(68)
Mp223-225℃;EIMS m/z:616[M+];1H NMR(DMSO-d6)δppm:1.41(t,3H),2.33(t,2H),3.23(t,8H),4.07(t,2H),4.25-4.34(m,2H),5.34(s,1H),6.03(s,1H),6.17(d,1H),6.33(dd,2H),6.51(d,1H),7.01(dd,2H),7.12(s,1H),9.07(s,1H),12.35(s,1H),15.11(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-8-杂氮-7-基)哌嗪-1-基)乙氧基)-4′-羟基异黄酮(69)
Mp288-290℃;EIMS m/z:600[M+];1H NMR(DMSO-d6)δppm:1.23(t,3H),2.34(t,2H),3.02(t,8H),3.95(t,2H),4.21-4.33(m,2H),5.21(s,1H),6.22(dd,2H),6.34(dd,1H),6.45(d,1H),6.76-6.82(m,2H),7.14(dd,2H),7.25(s,1H),8.02(s,1H),15.14(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-8-杂氮-7-基)哌嗪-1-基)乙氧基)-5,3′,4′-三羟基黄酮(70)
Mp237-240℃;EIMS m/z:632[M+];1H NMR(DMSO-d6)δppm:1.43(t,3H),2.27(t,2H),3.02(t,8H),4.04(t,2H),4.17-4.28(m,2H),5.27(s,2H),6.21(d,1H),6.33-6.40(m,3H),6.88(dd,1H),7.01(s,1H)7.13(s,1H),9.08(s,1H),12.34(s,1H),15.25(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-8-杂氮-7-基)哌嗪-1-基)乙氧基)-3,3′,4′-三羟基黄酮(71)
Mp215-218℃;EIMS m/z:632[M+];1H NMR(DMSO-d6)δppm:1.42(t,3H),2.47(t,2H),3.23(t,8H),4.01(t,2H),4.19(t,2H),5.41(s,3H),6.21-6.27(m,2H),6.57-6.66(m,3H),6.79(s,1H),7.21(d,1H),9.02(s,1H),15.21(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-8-杂氮-7-基)哌嗪-1-基)乙氧基)-5,6-二羟基黄酮(72)
Mp267-269℃;EIMS m/z:616[M+];1H NMR(DMSO-d6)δppm:1.42(t,3H),2.45(t,2H),3.12(t,8H),4.05(t,2H),4.31-4.41(m,2H),5.35(s,1H),6.13(s,1H),6.34-6.41(m,3H),6.57-6.66(m,2H),6.82(s,1H),7.18(s,1H),9.09(s,1H),12.17(s,1H),15.13(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-8-杂氮-7-基)哌嗪-1-基)乙氧基)-5,3′-二羟基-4′-甲氧基黄酮(73)
Mp251-253℃;EIMS m/z:646[M+];1H NMR(DMSO-d6)δppm:1.37(t,3H),2.42(t,2H),3.12(t,8H),3.67(s,3H),4.07(t,2H),4.23-4.35(m,2H),5.33(s,1H),6.22(d,1H),6.44-6.52(m,5H),7.10(s,1H),9.12(s,1H)12.14(s,1H),15.33(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-8-杂氮-7-基)哌嗪-1-基)乙氧基)-5-羟基黄酮(74)
Mp233-235℃;EIMS m/z:600[M+];1H NMR(DMSO-d6)δppm:1.12(t,3H),2.51(t,2H),3.11(t,8H),4.07(t,2H),4.21-4.43(m,2H),6.22(d,1H),6.35-6.43(m,2H),6.68-6.76(m,3H),6.96(s,1H),7.15(dd,2H),9.03(s,1H),12.21(s,1H),15.22(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-8-杂氮-7-基)哌嗪-1-基)乙氧基)-5,4′-二羟基黄酮(75)
Mp274-276℃;EIMS m/z:616[M+];1H NMR(DMSO-d6)δppm:1.16(t,3H),2.57(t,2H),3.23(t,8H),4.03(t,2H),4.23-4.31(m,2H),5.34(s,1H),6.21(d,1H),6.44-6.52(m,4H),6.68(s,1H),7.11(dd,2H),9.21(s,1H),12.11(s,1H),15.07(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-8-杂氮-7-基)哌嗪-1-基)乙氧基)-4′-甲氧基异黄酮(76)
Mp252-254℃;EIMS m/z:614[M+];1H NMR(DMSO-d6)δppm:1.16(t,3H),2.53(t,2H),3.16(t,8H),3.82(s,3H),4.09(t,2H),4.22-4.36(m,2H),6.22(dd,1H),6.37-6.45(m,2H),6.68(dd,2H),6.97(dd,2H),7.21(d,1H),7.33(s,1H),9.11(s,1H),15.17(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-8-杂氮-7-基)哌嗪-1-基)乙氧基)-4-羟基二氢黄酮(77)
Mp115-116℃;EIMS m/z:602[M+];1H NMR(DMSO-d6)δppm:1.44(t,3H),2.29(t,2H),3.31(t,8H),3.65(d,2H),4.05(t,2H),4.17-4.29(m,2H),5.34(s,1H),5.67(t,1H),6.26-6.32(m,2H),6.75(dd,2H),7.27(dd,2H),7.90(d,1H),9.15(s,1H),11.91(s,1H),15.24(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-8-杂氮-7-基)哌嗪-1-基)乙氧基)-5,4′-二羟基二氢黄酮(78)
Mp185-187℃;EIMS m/z:632[M+];1H NMR(DMSO-d6)δppm:1.47(t,3H),2.24(t,2H),3.39(t,8H),3.65(d,2H),4.07(t,2H),4.17-4.29(m,2H),5.34(s,2H),5.67(t,1H),6.26(s,1H),6.37(s,1H),6.75(dd,2H),7.27(dd,2H),9.17(s,1H),12.07(s,1H),15.02(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-8-杂氮-7-基)哌嗪-1-基)乙氧基)-5,3′-二羟基-3′-甲氧基二氢黄酮(79)Mp237-239℃;EIMS m/z:648[M+];1H NMR(DMSO-d6)δppm:1.46(t,3H),2.21(t,2H),3.39(t,8H),3.65(d,2H),4.03(t,2H),4.05(s,3H),4.17-4.24(m,2H),5.34(s,2H),5.67(t,1H),6.26(s,1H),6.37(s,1H),6.80(d,1H),6.91(d,1H),7.04(d,1H),9.31(s,1H),11.67(s,1H),15.18(s,1H)。
7-(2-(4-(1-乙基-3-羧基-6-氟-4-喹啉酮-8-杂氮-7-基)哌嗪-1-基)乙氧基)-5,3′,4′,5′,3″-五羟基二氢黄酮(80)
Mp188-190℃;EIMS m/z:666[M+];1H NMR(DMSO-d6)δppm:1.40(t,3H),2.24(t,2H),3.35(t,8H),3.95(s,1H),4.01(t,2H),4.17-4.23(m,2H),5.34(s,4H),5.69-5.74(m,2H),6.26(s,1H),6.37(s,1H),6.57(dd,2H),9.10(s,1H),11.98(s,1H),15.07(s,1H)。
7-(2-((2S,6R)-2,6-二甲基-4-(5-氨基-1-环丙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-3,5,3′,4′,5′-五羟基黄酮(81)
Mp239-241℃;EIMS m/z:736[M+];1H NMR(DMSO-d6)δppm:1.17-1.24(m,10H),2.49(t,2H),3.04-3.12(m,6H),4.03-4.09(m,3H),5.35(s,4H),6.17(d,2H),6.29-6.31(m,2H),6.47(s,2H),8.79(s,1H),12.06(s,1H),15.13(s,1H)。
7-(2-((2S,6R)-2,6-二甲基-4-(5-氨基-1-环丙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-3,5,4′-三羟基黄酮(82)
Mp267-270℃;EIMS m/z:704[M+];1H NMR(DMSO-d6)δppm:1.02(d,6H),1.22-1.31(m,4H),2.34(t,2H),3.01-3.07(m,2H),3.22(d,4H),4.02-4.11(m,3H),5.23(s,2H),6.11-6.19(m,3H),6.44(dd,2H)6.68(d,1H),7.11(dd,2H),9.02(s,1H),12.01(s,1H),15.11(s,1H)。
7-(2-((2S,6R)-2,6-二甲基-4-(5-氨基-1-环丙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-3,5,3′,4′-四羟基黄酮(83)
Mp292-294℃;EIMS m/z:720[M+];1H NMR(DMSO-d6)δppm:1.01(d,6H),1.37-1.44(m,4H),2.34(t,2H),2.99-3.06(m,2H),3.11-3.19(m,4H),4.05-4.11(m,3H),5.27(s,3H),6.08(s,2H),6.19(d,1H),6.44-6.52(m,2H),6.74(d,1H),6.97(dd,1H),8.97(s,1H),12.13(s,1H),15.07(s,1H)。
7-(2-((2S,6R)-2,6-二甲基-4-(5-氨基-1-环丙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,4′-二羟异基黄酮(84)
Mp208-210℃;EIMS m/z:688[M+];1H NMR(DMSO-d6)δppm:1.03-1.11(m,10H),2.42(t,2H),2.97-3.06(m,2H),3.11-3.19(m,4H),4.11-4.13(m,3H),5.34(s,1H),6.11(s,2H),6.23(d,1H),6.43(dd,2H),6.53(d,1H),6.95(dd,2H),7.33(s,1H),8.83(s,1H),11.87(s,1H),15.13(s,1H)。
7-(2-((2S,6R)-2,6-二甲基-4-(5-氨基-1-环丙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-4′-羟基异黄酮(85)
Mp232-234℃;EIMS m/z:672[M+];1H NMR(DMSO-d6)δppm:1.11(d,6H),1.31-1.37(m,4H),2.35(t,2H),2.98-3.07(m,2H),3.19-3.26(m,4H),4.05-4.11(m,3H),5.35(s,1H),6.11(s,2H),6.25(dd,2H),6.37(dd,1H),6.56(d,1H),6.79(d,1H),7.13(dd,2H),7.34(s,1H),9.04(s,1H),15.15(s,1H)。
7-(2-((2S,6R)-2,6-二甲基-4-(5-氨基-1-环丙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,3′,4′-三羟基黄酮(86)
Mp254-256℃;EIMS m/z:704[M+];1H NMR(DMSO-d6)δppm:1.11(d,6H),1.23-1.31(m,4H),2.57(t,2H),3.01-3.18(m,2H),3.31-3.39(m,4H),4.01-4.08(m,3H),5.34(s,2H),6.05(s,2H)。6.19(d,1H),6.31-6.37(m,3H),6.55(s,1H),7.01(dd,1H),9.07(s,1H),12.37(s,1H),15.22(s,1H)。
7-(2-((2S,6R)-2,6-二甲基-4-(5-氨基-1-环丙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-3,3′,4′-三羟基黄酮(87)
Mp238-240℃;EIMS m/z:704[M+];1H NMR(DMSO-d6)δppm:1.07(d,6H),1.37-1.43(m,4H),2.77(t,2H),2.79-2.87(m,2H),3.01(d,4H),4.02-4.11(m,3H),5.34(s,3H),6.13(s,2H),6.32-6.41(m,2H),6.54-6.62(m,3H),6.74(d,1H),8.79(s,1H),15.23(s,1H)。
7-(2-((2S,6R)-2,6-二甲基-4-(5-氨基-1-环丙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,6-二羟基黄酮(88)
Mp267-269℃;EIMS m/z:688[M+];1H NMR(DMSO-d6)δppm:1.13(d,6H),1.23-1.31(m,4H),2.47(t,2H),2.98(d,2H),3.04-3.11(m,4H),4.04-4.13(m,3H),5.29(s,1H),6.04(s,2H),6.18(s,1H),6.33(s,1H),6.44-6.50(m,3H),6.67-6.74(m,2H),8.94(s,1H),12.11(s,1H),15.17(s,1H)。
7-(2-((2S,6R)-2,6-二甲基-4-(5-氨基-1-环丙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,3′-二羟基-4′-甲氧基黄酮(89)
Mp259-261℃;EIMS m/z:718[M+];1H NMR(DMSO-d6)δppm:1.01(d,6H),1.22-1.28(m,4H)2.53(t,2H),2.99(t,2H),3.03-3.11(m,4H),3.63(s,3H),4.12-4.17(m,3H),5.22(s,1H),6.12(s,2H),6.23(d,1H),6.37-6.45(m,5H),9.09(s,1H),12.01(s,1H),15.37(s,1H)。
7-(2-((2S,6R)-2,6-二甲基-4-(5-氨基-1-环丙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5-羟基黄酮(90)
Mp252-254℃;EIMS m/z:672[M+];1H NMR(DMSO-d6)δppm:1.09(d,6H),1.22-1.31(m,4H),2.55(t,2H),3.01(t,2H),3.19-3.27(m,4H),4.11-4.17(m,3H),6.07(s,2H),6.23(d,1H),6.44-6.52(m,2H),6.69-6.78(m,3H),7.12(dd,2H),9.02(s,1H),12.11(s,1H),15.09(s,1H)。
7-(2-((2S,6R)-2,6-二甲基-4-(5-氨基-1-环丙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,4′-二羟基黄酮(91)
Mp269-272℃;EIMS m/z:688[M+];1H NMR(DMSO-d6)δppm:1.09(d,6H),1.27-1.35(m,4H),2.49(t,2H),3.03(t,2H),3.14-3.21(m,4H),4.11-4.18(m,3H),5.32(s,1H),6.26-6.34(m,3H),6.54-6.62(m,4H),7.11(dd,2H),8.89(s,1H),12.19(s,1H),15.34(s,1H)。
7-(2-((2S,6R)-2,6-二甲基-4-(5-氨基-1-环丙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-4′-甲氧基异黄酮(92)
Mp247-249℃;EIMS m/z:686[M+];1H NMR(DMSO-d6)δppm:1.03(d,6H),1.27-1.35(m,4H),2.56(t,2H),2.87(t,2H),3.03-3.11(m,4H),3.72(s,3H)4.11-4.19(m,3H),6.22(s,2H),6.34(dd,1H),6.56-6.64(m,3H),6.83(d,1H),7.13(dd,2H),7.39(s,1H),9.03(s,1H),15.22(s,1H)。
7-(2-((2S,6R)-2,6-二甲基-4-(5-氨基-1-环丙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-4-羟基二氢黄酮(93)
Mp136-138℃;EIMS m/z:674[M+];1H NMR(DMSO-d6)δppm:1.15-1.23(m,10H),2.45(t,2H),3.01-3.14(m,6H),3.65(d,2H),4.03-4.9(m,3H),5.37(s,1H),5.64(t,1H),6.23-6.32(m,2H),6.46(s,2H),6.75(dd,2H),7.24(dd,2H),7.92(d,1H),12.03(s,1H),15.11(s,1H)。
7-(2-((2S,6R)-2,6-二甲基-4-(5-氨基-1-环丙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,4′-二羟基二氢黄酮(94)
Mp179-181℃;EIMS m/z:690[M+];1H NMR(DMSO-d6)δppm:1.13-1.26(m,10H),2.46(t,2H),3.04-3.14(m,6H),3.67(d,2H),4.03-4.9(m,3H),5.34(s,2H),5.69(t,1H),6.26(s,1H),6.37(s,1H),6.47(s,2H),6.75(dd,2H),7.27(dd,2H),12.04(s,1H),15.30(s,1H)。
7-(2-((2S,6R)-2,6-二甲基-4-(5-氨基-1-环丙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,3′-二羟基-3′-甲氧基二氢黄酮(95)
Mp181-183℃;EIMS m/z:720[M+];1H NMR(DMSO-d6)δppm:1.16-1.23(m,10H),2.46(t,2H),3.04-3.15(m,6H),3.62(d,2H),4.01-4.09(m,3H),4.17(s,3H),5.34(s,2H),5.66(t,1H),6.26(s,1H),6.37(s,1H),6.47(s,2H),6.80(d,1H),6.92(d,1H),7.04(d,1H),12.07(s,1H),15.23(s,1H)。
7-(2-((2S,6R)-2,6-二甲基-4-(5-氨基-1-环丙基-3-羧基-6,8-二氟-4-喹啉酮-7-基)哌嗪-1-基)乙氧基)-5,3′,4′,5′,3″-五羟基二氢黄酮(96)
Mp206-208℃;EIMS m/z:738[M+];1H NMR(DMSO-d6)δppm:1.18-1.27(m,10H),2.55(t,2H),3.04-3.12(m,6H),3.97(s,1H),4.03-4.08(m,3H),5.34(s,4H),5.69-5.73(m,2H),6.29(s,1H),6.36(s,1H),6.49(s,2H),6.54(dd,2H),12.09(s,1H),15.15(s,1H)。