CN114524772B - 一种含杂环串联类化合物及其制备方法与应用 - Google Patents

一种含杂环串联类化合物及其制备方法与应用 Download PDF

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CN114524772B
CN114524772B CN202210185598.0A CN202210185598A CN114524772B CN 114524772 B CN114524772 B CN 114524772B CN 202210185598 A CN202210185598 A CN 202210185598A CN 114524772 B CN114524772 B CN 114524772B
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吴筱星
陈晓禹
李文强
罗光美
舒成霞
杨可欣
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Abstract

本发明属于药物化学领域,具体涉及一种含杂环串联类化合物及其制备方法与应用。含有通式I的杂环串联类化合物及其药学上可接受的盐、对映异构体、非异构体、互变异构体、溶剂化物、多晶型物或前药;本发明基于SHP099为先导化合物,制备出一类末端为杂环串联的全新化合物,以解决目前SHP2抑制剂结构骨架单一等问题;本发明重要意义在于提供很多修饰位点,为后期结构改造提供基础。同时本发明的实施例证实了化合物对SHP2磷酸酶具有变构抑制作用,为后续开发SHP2磷酸酶抑制剂提供骨架支持。

Description

一种含杂环串联类化合物及其制备方法与应用
技术领域
本发明属于药物化学领域,具体涉及一种含杂环串联类化合物及其制备方法与应用。
背景技术
SHP2是一个在体内广泛存在的非受体型蛋白酪氨酸磷酸酶,具有两个N末端Src同源性2结构域(N-SH2和C-SH2)、催化结构域(PTP)和C末端尾部。这两个SH2结构域控制SHP2的亚细胞定位和功能调节。作为血小板源性生长因子(PDGF)、表皮生长因子(EGF)、成纤维细胞因子(FGF)、白细胞介素-3(IL-3)、白血病抑制因子(LIF)及α-干扰素(INF-α)等生长因子的下游信号分子,SHP2参与RAS/MAPK通路、PI3K/AKT通路、JAK/STAT通路、JNK通路等在内的多条信号通路。因此,发现和寻找具有较好成药性的SHP2抑制剂逐渐成为工业界和学术界的一大热点研究领域。
发明内容
本发明需要解决的技术问题之一是提供一类末端为杂环串联的全新SHP2抑制剂,以解决目前SHP2抑制剂结构骨架单一等问题。
解决上述技术问题的方案如下:
一种如通式I所示的化合物,及其药学上可接受的盐、对映异构体、非对映异构体、互变异构体、溶剂化物、多晶型物或前药
Figure BDA0003523234410000011
R1、R2和R3分别独立地为氢、卤素、氨基;
X为N或CH;
L为键、O或S;
Figure BDA0003523234410000012
独立地是单键或双键:
Figure BDA0003523234410000013
为双键时,Y1为N,Y2为CH;
Figure BDA0003523234410000014
为单键时,Y1为C=O,Y2为NRa或CRbRc,其中Ra,Rb和Rc分别独立地为氢、C1-C3的烷基、C1-C3的羟烷基、C1-C3的烷氧基;
R4
Figure BDA0003523234410000015
Figure BDA0003523234410000021
其中,n=0或1;
所述的化合物,其特征在于所述化合物为如下结构式中任意一个:
Figure BDA0003523234410000022
Figure BDA0003523234410000031
一种药物组合物,其特征在于含有所述的杂环串联类化合物和药学可接受的辅料。
所述的药物组合物,其特征在于药物组合物制成片剂、胶囊剂、注射液或冻干粉剂。
所述的杂环串联类化合物、所述的药物组合物在制备治疗抗肿瘤药物、作为抗肿瘤药物的前药或作为抗肿瘤药物的中间体中应用。
有益效果
本发明首次公开一系列含有新骨架的含杂环串联类化合物,该类化合物为SHP2抑制剂,该类化合物具有一定抗肿瘤活性,为后续开发抗肿瘤药物提供支持。
具体实施方式
中间体3-氯-4-碘-2-吡啶胺(A1)的合成:
Figure BDA0003523234410000032
步骤一:2-氟-3-氯-4-碘吡啶(A1-2)的合成:
-78℃下,将正丁基锂(38mL,1.25eq)缓慢滴加到A1-1(10.00g,76.3mmol)的THF(75mL)溶液中。反应1h后缓慢滴加I2的THF(30mL)溶液。反应30min后监测。监测反应完全后,滴加饱和Na2SO3水溶液淬灭,浓缩除THF,乙酸乙酯萃取,无水硫酸钠干燥,浓缩,柱层析分离得化合物A1-2(7.76g,收率41%)。1H NMR(300MHz,CDCl3):δ7.77(dd,J=5.2,0.9Hz,1H),7.67(d,J=5.2Hz,1H).ESI-MS m/z:257.9[M+H]+.
步骤二:3-氯-4-碘-2-吡啶胺(A1)的合成
将NH3·H2O(38mL)缓慢滴加到A1-2(7.56g,29.4mmol)的DMSO(38mL)溶液中。加毕,80℃封管反应过夜。监测反应完全后,将反应体系倒入水(200mL)中搅拌30min,抽滤干燥得化合物A1(6.79g,收率91%)。1H NMR(300MHz,CDCl3)δ7.57(d,J=5.2Hz,1H),7.12(d,J=5.2Hz,1H),5.05(s,2H).ESI-MS m/z:254.9[M+H]+.
中间体6-氯-3-(2,3-二氯丙基)吡嗪-2-氨基叔丁酯(B1)的合成:
Figure BDA0003523234410000041
步骤一:6-氯-3-(2,3-二氯苯基)吡嗪-2-胺(B1-2)的合成
将化合物B1-1(5.00g,24.0mmol,1.0eq)、2,3-二氯苯硼酸(5.04g,26.4mmol,1.1eq)、Pd(dppf)Cl2(350.1mg,2mol%)和K3PO4(10.18g,48.0mmol,2.0eq)置于200mL单口瓶中,将体系抽真空置换氮气,加入1,4-二氧六环(54mL)和水(6mL)于120℃油浴中反应过夜,监测至原料转化完全。硅藻土过滤,滤液浓缩,加入30mL乙酸乙酯萃取,饱和氯化钠水溶液水洗3次,浓缩,柱层析纯化,得化合物B1-2(5.94g,收率91%)。1H NMR(300MHz,CDCl3):δ8.03(s,1H),7.60(dd,J=7.6,2.0Hz,1H),7.36(dd,J=7.7,7.6Hz,1H),7.32(dd,J=7.6,2.0Hz,1H),4.65(s,2H).ESI-MS m/z:274.1[M+H]+.
步骤二:6-氯-3-(2,3-二氯苯基)吡嗪-2-氨基叔丁酯(B1)的合成
将化合物B1-2(5.30g,19.4mmol)和DMAP(118.0mg,0.97mmol,0.05eq)置于200mL单口瓶中,加入二氯甲烷(50mL),在0℃加入二碳酸二叔丁酯,加毕,移至室温反应2h,监测至原料转化完全。饱和氯化钠水溶液水洗3次(15mL×3),有机相浓缩,柱层析纯化,得化合物B1(7.50g,收率82%)。1H NMR(300MHz,CDCl3):δ8.68(s,1H),7.57(d,J=7.5Hz,1H),7.46–7.24(m,2H),1.37(s,18H).ESI-MS m/z:474.1[M+H]+.中间体B2的合成:
Figure BDA0003523234410000042
步骤一:6-氨基-3-甲基嘧啶-2,4(1H,3H)-二酮(B2-2)的合成
将浓H2SO4(0.1mL)缓慢滴加到4-氨基-2,6-二羟基嘧啶(5.18g,40.8mmol)的HMDS(25mL)溶液中。130℃反应6h后,浓缩除HMDS。加入DMF(25mL),碘甲烷(8.5mL,3.5eq),室温反应过夜。监测反应完全后,滴加NaHCO3(a.q.)至无气泡产生,抽滤,滤饼水洗,干燥得化合物B2-2(3.60g,收率63%)。1H NMR(300MHz,DMSO-d6):δ10.43(s,1H),6.23(brs,2H),4.59(s,1H),3.00(s,3H).
步骤二:6-氨基-5-碘-3-甲基嘧啶-2,4(1H,3H)-二酮(B2)的合成
将化合物B2-2(1.95g,13.83mmol)溶于DMF(14mL)和AcOH(44mL)中,加入NIS(3.73g,1.2eq)。室温反应2h,监测反应完全后,抽滤,滤饼水洗干燥,得中间体B2(3.06g,收率83%)。1H NMR(300MHz,DMSO-d6)δ10.66(s,1H),6.26(s,2H),3.10(s,3H).
中间体B3-A,B3-B的合成
Figure BDA0003523234410000051
步骤一:
0℃下,将NBS(23.3g)和Ts-OH(2.05g)加入到DCM(60mL)溶液中,搅拌10h,将化合物B3-1(10g)的DCM(120mL)溶液加入到体系中,50℃回流过夜,监测反应完全后,萃取,柱层析纯化,得油状化合物B3-2(17.35g,crude)。
步骤二:
0℃下,将氢化钠(4.14g,103.4mmol)加入到化合物B3-2(16.76g,103.4mmol)的DMF(150mL)溶液中,室温反应1h后,0℃下缓慢加(15g,86.2mmol),室温过夜。监测反应完全后,萃取,柱层析纯化,得化合物B3-3(4.43g,15%over2 steps)。1H NMR(300MHz,CDCl3)δ7.37(dd,J=9.7,2.7Hz,1H),7.26(d,J=2.7Hz,1H),6.48(d,J=9.7Hz,1H),4.47–4.37(m,1H),2.71–2.55(m,1H),2.49–2.20(m,4H),2.00–1.81(m,1H).
步骤三:
室温下,将Ti(OPr-i)4(8.88g,9.25mL)加入到化合物B3-3(4g,15.6mmol)的氨的甲醇溶液(20mL)中,反应4h后,缓慢加入硼氢化钠(886mg,1.5eq)室温反应3h。监测反应完全后,萃取,柱层析纯化,得先洗脱产物B3-A(1.04g,26%),1H NMR(300MHz,CDCl3)δ7.61(d,J=2.7Hz,1H),7.37(dd,J=9.6,2.7Hz,1H),6.50(d,J=9.6Hz,1H),5.07–4.88(m,1H),3.84–3.71(m,1H),2.24–1.44(m,2H).后洗脱产物B3-B(1.25g,31%),1H NMR(300MHz,CDCl3)δ7.46(d,J=2.7Hz,1H),7.33(dd,J=9.6,2.7Hz,1H),6.50(d,J=9.6Hz,1H),5.07–4.97(m,1H),3.60–3.49(m,1H),2.32–2.16(m,2H),2.03–1.68(m,4H).
中间体6-溴-3-(4-(4-丁氧基羰基)哌嗪-1-基)吡嗪-2-羧酸甲酯(B4)的合成:
Figure BDA0003523234410000061
将3,6-二溴吡嗪-2-甲酸甲酯(500.0mg,1.69mmol)、N-Boc哌嗪(346.2mg,1.1eq)及DIPEA(1.09g,5eq)溶于乙腈(8mL),室温搅拌过夜。监测反应完全后,乙酸乙酯萃取,无水硫酸钠干燥,浓缩,柱层析分离得化合物B4(498.6mg,收率74%)。1H NMR(300MHz,CDCl3)δ8.24(s,1H),3.97(s,3H),3.59–3.41(m,8H),1.48(s,9H).ESI-MS m/z:498.2[M+H]+.
中间体5-氯吡嗪-2-硫醇钠(B5)的合成:
Figure BDA0003523234410000062
步骤一:3-((5-氯吡嗪-2-基)硫代)丙酸乙酯(B5-1)的合成
将3-巯基丙酸乙酯(4.45mL,1.05eq)缓慢滴加到2,5-二氯吡嗪(5.00g,33.6mmol)和K2CO3(4.64g,1eq)的DMF(42mL)溶液中。室温反应4h。监测反应完全后,乙酸乙酯稀释,饱和食盐水水洗5次,有机相浓缩,柱层析分离得化合物B5-1(7.78g,收率94%)。1H NMR(300MHz,CDCl3)δ8.39(d,J=1.5Hz,1H),8.22(d,J=1.5Hz,1H),4.17(q,J=7.2Hz,2H),3.42(t,J=7.0Hz,2H),2.75(t,J=7.0Hz,2H),1.27(t,J=7.2Hz,3H).ESI-MS m/z:247.0[M+H]+.
步骤二:5-氯吡嗪-2-硫醇钠(B5)的合成
将乙醇钠(2.24g,1.1eq)缓慢滴加到B5-1(7.38g,30mmol)的THF(100mL)溶液中。室温反应2h。监测反应完全后,加正己烷(100mL)打浆抽滤,固体干燥得化合物B5(5.13g,粗品)。1H NMR(300MHz,DMSO-d6)δ7.82(d,J=1.3Hz,1H),7.77(d,J=1.3Hz,1H).ESI-MS m/z:147.0[M+H]+.
中间体C1的合成:
Figure BDA0003523234410000071
0℃下,将甘氨酸甲酯盐酸盐(1eq),HATU(1.1eq),DIPEA(1.5eq)加到C1-1(5.00g,21.62mmol)的DCM溶液中,室温反应5h。TLC板监测反应完全后,CH2Cl2稀释,饱和食盐水水洗5次,有机相浓缩,柱层析分离得化合物C1-2(6.4g,收率98%)。ESI-MS m/z:303.1[M+H]+.
将HCl(30mL,2M in EtOAc)加入到化合物C1-2(80mg,0.11mmol)的EtOAc(20mL)溶液中,室温过夜。TLC板监测至原料转化完全,抽滤除滤液,固体干燥得化合物C1-3(4.7g,90%)。ESI-MS m/z:203.1[M+H]+.
将DIPEA(3eq)加到化合物C1-3(4.70g,23.3mmol)的甲醇(70mL)溶液中,35℃反应过夜。TLC板监测至原料转化完全后,将反应液浓缩,加入EtOAc(20mL)打浆得化合物C1-4(5.8g,Crude)。ESI-MS m/z:171.1[M+H]+.
将LiAlH4(4eq)加到化合物C1-4(5.80g,34.1mmol)的THF(70mL)溶液中,70℃反应过夜。TLC板监测至原料转化完全后,饱和NH4Cl(5mL)缓慢加入。抽滤除固体,滤液浓缩得化合物C1-5(3.3g,Crude)。ESI-MS m/z:143.1[M+H]+.
将Cbz-Cl(0.6eq),NaOH(20mL,2M in EtOAc)加到C1-5(3.3g,23.2mmol)的THF(20mL)溶液中,室温反应过夜。TLC板监测反应完全后,加入EtOAc(15mL)和水(10mL)萃取分液。合并有机层并用盐水(3×10mL)洗涤,有机相经Na2SO4干燥,减压蒸馏除去溶剂。残余物通过柱色谱纯化,得到化合物C1-6(330.0mg,15%over 3steps)。ESI-MS m/z:277.1[M+H]+.
0℃下,将邻苯二甲酰亚胺(1.5eq)和三苯基膦(1.5eq)加入到化合物C1-6(315.2mg,1.14mmol)的THF(4mL)中,氮气保护后,加入DEAD(1.5eq)的THF(2mL)溶液,加毕室温反应过夜。监测反应完全后,有机相浓缩,柱层析纯化,得化合物C1-7(1.07g,Crude)。ESI-MS m/z:406.2[M+H]+.
将Pd/C(10%wt)加入到化合物C1-7(1.07g,2.64mmol)的甲醇(5mL)溶液中。将反应体系置换氢气后,室温搅拌过夜。监测反应完全后,抽滤,浓缩,柱层析纯化,得化合物C1(45.6mg,18%over 2steps)。1H NMR(300MHz,Chloroform-d)δ7.86–7.70(m,4H),4.94–4.79(m,1H),3.40–2.11(m,11H).ESI-MS m/z:272.1[M+H]+.
中间体C2
Figure BDA0003523234410000081
的合成:
参照中间体C1的合成方法,得到C2。1H NMR(300MHz,Chloroform-d)δ7.87–7.68(m,4H),4.98–4.84(m,1H),3.41–2.49(m,9H),2.23–2.13(m,1H),1.95–1.80(m,1H).ESI-MSm/z:272.1[M+H]+
实施例1:
Figure BDA0003523234410000082
步骤一:
将苄溴(1.1eq)和碳酸钾(3eq)加入到化合物1-1(3g,16.8mmol)的乙腈(50mL)溶液中,80℃反应3h。TLC板监测至原料转化完全,萃取,柱层析纯化,得化合物1-2(3.74g,96%)。ESI-MS m/z:232.1[M+H]+.
步骤二:
将碳酸氢钠(3.6eq)和((1R,2R)-2-氨基环己基)氨基甲酸叔丁酯(1.1eq)加入到化合物1-2(1g,4.33mmol)的乙醇(15mL)溶液中,氮气保护,90℃回流5h。监测反应完全后抽滤浓缩,柱层析纯化,得化合物1-3(880.1mg,55%)。ESI-MS m/z:374.3[M+H]+.
步骤三:
将Pd/C(10%wt)和水合肼(2eq)加入到化合物1-3(700mg,1.87mmol)的乙醇(10mL)溶液中,氮气保护,80℃回流过夜。监测反应完全后抽滤浓缩,柱层析纯化,得化合物1-4(420mg,85%)。ESI-MS m/z:284.2[M+H]+.
步骤四:
将化合物B1(0.66eq)和碳酸铯(2.5eq)加入到化合物1-4(180mg,0.63mmol)的DMSO(3mL)溶液中,室温过夜。TLC板监测至原料转化完全,加入乙酸乙酯(10mL),饱和氯化钠水溶液水洗多次(3mL×6),合并有机相,浓缩,柱层析纯化,得化合物1-5(181.2mg,60%)。ESI-MS m/z:721.3[M+H]+.
步骤五:
将HCl(3mL,2M in EtOAc)加入到化合物1-5(80mg,0.11mmol)的EtOAc(2mL)溶液中,室温过夜。TLC板监测至原料转化完全,用水萃取,水相用饱和碳酸钠溶液调碱,再用EtOAc萃水相,合并有机相,浓缩得化合物1(33mg,71%)。1H NMR(300MHz,CDCl3)δ7.59(s,1H),7.50(dd,J=7.4,2.2Hz,1H),7.37–7.25(m,2H),4.24(s,2H),3.69–3.47(m,4H),2.87–2.65(m,3H),2.59–2.46(m,2H),2.23–2.11(m,1H),2.06–1.94(m,4H),1.88–1.76(m,2H),1.30–1.07(m,4H).ESI-MS m/z:421.2[M+H]+
实施例2:
Figure BDA0003523234410000091
步骤一:
将Boc酸酐(3.16g,14.5mmol)加入到化合物2-1(2.0g,13.2mmol)的DCM(30mmol)溶液中,滴加三乙胺(2.9g,29mmol),室温过夜。监测反应完全后,DCM萃取,无水硫酸钠干燥,浓缩得化合物2-2(3.14g,粗品)。ESI-MS m/z:216.2[M+H]+.
步骤二:
将邻苯二甲酰亚胺(2.98g,20.25mmol)和三苯基膦(5.3g,20.25mmol)加入到化合物2-2(2.9g,13.5mmol)的THF(40mL)中,氮气保护,0℃下加入DEAD(3.5g,20.25mmol)的THF,15min后移至室温,反应过夜。监测反应完全后有机相浓缩,柱层析纯化,得化合物2-3(3.15g,68%)。ESI-MS m/z:345.2[M+H]+.
步骤三:
将水合肼(585mg,11.7mmol)加入到化合物2-3(3.1g,9.01mmol)的甲苯(20mL)溶液中,80℃回流过夜。监测反应完全后有机相浓缩,柱层析纯化,得化合物2-4(1.09g,56%)。ESI-MS m/z:215.2[M+H]+.
步骤四:
将碳酸氢钠(1.79g,21.30mmol)和化合物1-2(1.24g,4.63mmol)加入到化合物2-4(1.09g,5.09mmol)的乙醇(15mL)溶液中,氮气保护,85℃回流过夜。监测反应完全后抽滤浓缩,柱层析纯化,得化合物2-5(1.18g,62%)。ESI-MS m/z:374.3[M+H]+.
步骤五:
将Pd/C(200mg,20%wt)和水合肼(295mg,5.9mmol)加入到化合物2-5(1.1g,2.95mmol)的乙醇(10mL)溶液中,氮气保护,80℃回流过夜。监测反应完全后抽滤浓缩,柱层析纯化,得化合物2-6(0.99g,粗品)。ESI-MS m/z:284.2[M+H]+.
步骤六:
将化合物B1(300mg,0.634mmol)和碳酸铯(310mg,0.95mmol)加入到化合物2-6(197mg,0.697mmol)的DMSO(3mL)溶液中,室温过夜。TLC板监测至原料转化完全,加入乙酸乙酯(10mL),饱和氯化钠水溶液水洗多次(3mL×6),合并有机相,浓缩,柱层析纯化,得化合物2-7(215mg,47%)。ESI-MS m/z:721.2[M+H]+.
步骤七:
将HCl(3mL,2M in EtOAc)加入到化合物2-7(215mg,mmol)的EtOAc(1mL)溶液中,室温过夜。TLC板监测至原料转化完全,用水萃取,水相用饱和碳酸钠溶液调碱,再用EtOAc萃水相,合并有机相,浓缩得化合物2(91.2mg,73%)。1H NMR(300MHz,CDCl3)δ7.59(s,1H),7.50(dd,J=7.4,2.3Hz,1H),7.35–7.28(m,2H),4.24(s,2H),3.58(t,J=5.1Hz,4H),3.41–3.35(m,1H),2.76–2.54(m,4H),2.12–2.01(m,1H),1.88–1.70(m,3H),1.56–1.33(m,4H),1.31–1.12(m,1H).ESI-MS m/z:421.2[M+H]+
实施例3:
Figure BDA0003523234410000111
步骤一:
将化合物2-6(334.4mg,1.18mmol,)、BOP(990.7mg,2.24mmol)和DBU(1.2g,7.84mmol)溶于DMF(3mL)中,室温反应过夜,TLC板监测至原料转化完全,加EtOAc(15mL),有机相用饱和氯化钠溶液(5mL)洗几次,柱层析纯化,得化合物3-2(247mg,42%)。ESI-MS m/z:533.2[M+H]+.
步骤二:
将2,3-二氯苯硫醇(107.4mg,0.6mmol)、CuI(1.5mg,0.007mmol)、TMEDA(1.9mg,0.016mmol)和磷酸钾(254.7mg,1.2mmol)溶于化合物3-2(212.4mg,0.4mmol)的Dioxane(2.5mL)溶液中,氮气保护,100℃反应过夜。TLC板监测至原料转化完全,抽滤除去固体,柱层析纯化,得化合物3-3(68.4mg,29%)。ESI-MS m/z:583.2[M+H]+.
步骤三:
将HCl(3mL,2M in EtOAc)加入到化合物3-3(53.7mg,0.09mmol)的EtOAc(1mL)溶液中,室温过夜。TLC板监测至原料转化完全,用水萃取,水相用饱和碳酸钠溶液调碱,再用EtOAc萃水相,合并有机相,浓缩得化合物3(43.1mg,97%)。1H NMR(300MHz,CDCl3)δ7.19(dd,J=7.8Hz,1.2Hz,1H),7.02(t,J=7.8Hz,1H),6.81(dd,J=7.8Hz,1.2Hz,1H),5.30(s,2H),3.44(s,3H),3.40–3.23(m,5H),2.79–2.57(m,4H),2.15–2.05(m,1H),1.89–1.69(m,3H),1.51–1.33(m,4H),1.30–1.16(m,1H).ESI-MS m/z:406.2[M+H]+.ESI-MS m/z:483.1[M+H]+
实施例4:
Figure BDA0003523234410000121
步骤一:
将Boc酸酐(3.6g,16.3mmol)和盐酸(1mL)加入到化合物4-1(1.53g,13.6mmol)的甲醇(23mL)溶液中,滴加4M的HCl异丙醇溶液1.7mL,室温过夜。监测反应完全后,萃取,无水硫酸钠干燥,柱层析纯化得化合物4-2(415mg,14%)。ESI-MS m/z:201.2[M+H]+.
步骤二:
将碳酸氢钠(697.2mg,8.3mmol)和化合物1-2(483mg,1.8mmol)加入到化合物4-2(380mg,1.8mmol)的乙醇(5.2mL)溶液中,氮气保护,85℃回流过夜。监测反应完全后抽滤浓缩,柱层析纯化,得化合物4-3(506.1mg,65%)。ESI-MS m/z:374.3[M+H]+.
步骤三:
将Pd/C(96mg,20%wt)和水合肼(130mg,2.6mmol)加入到化合物4-3(480mg,1.3mmol)的乙醇(4mL)溶液中,氮气保护,80℃回流过夜。监测反应完全后抽滤浓缩,柱层析纯化,得化合物4-4(267.7mg,73%)。ESI-MS m/z:284.2[M+H]+.
步骤四:
将化合物B1(200mg,0.42mmol)和碳酸铯(205.4mg,0.63mmol)加入到化合物4-4(133.5mg,0.42mmol)的DMSO(2mL)溶液中,室温过夜。TLC板监测至原料转化完全,加入乙酸乙酯(10mL),饱和氯化钠水溶液水洗多次(3mL×6),合并有机相,浓缩,柱层析纯化,得化合物4-5(129.9mg,43%)。ESI-MS m/z:721.3[M+H]+.
步骤五:
将HCl(3mL,2M in EtOAc)加入到化合物4-5(106.4mg,0.15mmol)的EtOAc(2mL)溶液中,室温过夜。TLC板监测至原料转化完全,用水萃取,水相用饱和碳酸钠溶液调碱,再用EtOAc萃水相,合并有机相,浓缩得化合物4(55mg,89%)。1H NMR(300MHz,CDCl3)δ7.59(s,1H),7.50(dd,J=7.4,2.2Hz,1H),7.36–7.28(m,2H),4.23(s,2H),3.70–3.48(m,4H),2.88–2.76(m,2H),2.75–2.64(m,1H),2.59–2.47(m,2H),2.23–2.11(m,1H),2.06–1.96(m,1H),1.74–1.63(m,1H),1.29–1.05(m,4H).ESI-MS m/z:421.2[M+H]+
实施例5:
Figure BDA0003523234410000131
步骤一:
将Boc酸酐(1.5g,6.82mmol)加入到化合物5-1(1.0g,6.22mmol)的DCM溶液中,滴加三乙胺(752.9mg,7.44mmol),室温过夜。监测反应完全后,EtOAc萃取,无水硫酸钠干燥,浓缩得化合物5-2(1.9g,粗品)。ESI-MS m/z:250.1[M+H]+.
步骤二:
将邻苯二甲酰亚胺(1.59g,10.8mmol)和三苯基膦(2.84g,10,83mmol)加入到化合物5-2(1.8g,7.22mmol)的THF(18mL)中,氮气保护,0℃下加入DIAD(2.19g,10.83mmol)的THF(4mL),15min后移至室温,反应过夜。监测反应完全后有机相浓缩,柱层析纯化,得化合物5-3(1.8g,67%)。ESI-MS m/z:379.2[M+H]+.
步骤三:
将水合肼(480mg,9.6mmol)加入到化合物5-3(1.8g,4.8mmol)的甲苯(14mL)溶液中,80℃回流过夜。监测反应完全后有机相浓缩,柱层析纯化,得化合物5-4(637mg,54%)。ESI-MS m/z:249.2[M+H]+.
步骤四:
将碳酸氢钠(1.04g,12.42mmol)和化合物1-2(725.2mg,2.7mmol)加入到化合物5-4(663mg,2.7mmol)的乙醇(10mL)溶液中,氮气保护,85℃回流过夜。监测反应完全后抽滤浓缩,柱层析纯化,得化合物5-5(768.3mg,70%)。ESI-MS m/z:407.2[M+H]+.
步骤五:
将Pd/C(143.04mg,20%wt)和水合肼(575mg,11.5mmol)加入到化合物5-5的乙醇(8mL)溶液中,氮气保护,85℃回流过夜。监测反应完全后抽滤浓缩,柱层析纯化,得化合物5-6(559.7mg,98%)。ESI-MS m/z:317.2[M+H]+.
步骤六:
将化合物B1(146.2mg,0.46mmol)和碳酸铯(205.3mg,0.63mmol)加入到化合物5-6(200mg,0.42mmol)的DMSO(2mL)溶液中,室温过夜。TLC板监测至原料转化完全,加入乙酸乙酯(10mL),饱和氯化钠水溶液水洗多次(3mL×6),合并有机相,浓缩,柱层析纯化,得化合物5-7(184.4mg,58%)。ESI-MS m/z:755.3[M+H]+.
步骤七:
将HCl(3mL,2M in EtOAc)加入到化合物5-7(100mg,0.132mmol)的EtOAc(1mL)溶液中,室温过夜。TLC板监测至原料转化完全,用水萃取,水相用饱和碳酸钠溶液调碱,再用EtOAc萃水相,合并有机相,浓缩得化合物5(47.8mg,80%)。1H NMR(300MHz,CDCl3)δ7.61(s,1H),7.51(dd,J=7.4,2.2Hz,1H),7.42–7.37(m,1H),7.36–7.28(m,2H),7.26–7.19(m,3H),4.31(d,J=5.1Hz,1H),4.26(s,2H),3.67(t,J=4.7Hz,4H),3.04–2.86(m,3H),2.83–2.58(m,4H).ESI-MS m/z:455.1[M+H]+
实施例6:
Figure BDA0003523234410000141
步骤一:
将Boc酸酐(1.1eq)加入到化合物6-1(0.96g,6.98mmol)的DCM(15mL)溶液中,滴加三乙胺(2.2eq),室温过夜。监测反应完全后,EtOAc萃取,无水硫酸钠干燥,浓缩得化合物6-2(1.6g,粗品)。ESI-MS m/z:202.1[M+H]+.
步骤二:
将邻苯二甲酰亚胺(1.5eq)和三苯基膦(1.5eq)加入到化合物6-2(1.4g,6.9mmol)的THF(20mL)中,氮气保护,0℃下加入DEAD(1.5eq)的THF(2mL),15min后移至室温,反应过夜。监测反应完全后有机相浓缩,柱层析纯化,得化合物6-3(1.73g,75%)。ESI-MS m/z:331.2[M+H]+.
步骤三:
将水合肼(1.3eq)加入到化合物6-3(1.7g,5.15mmol)的甲苯(15mL)溶液中,80℃回流过夜。监测反应完全后有机相浓缩,柱层析纯化,得化合物6-4(1.005g,97%)。ESI-MSm/z:201.2[M+H]+.
步骤四:6-5的合成
将碳酸氢钠(4.6eq)和化合物1-2(1eq)加入到化合物6-4(1g,5mmol)的乙醇(10mL)溶液中,氮气保护,85℃回流过夜。监测反应完全后抽滤浓缩,柱层析纯化,得化合物6-5(1.07g,59%)。ESI-MS m/z:360.3[M+H]+.
步骤五:
将Pd/C(20%wt)和水合肼(2eq)加入到化合物6-5(1g,2.78mmol)的乙醇(9mL)溶液中,氮气保护,85℃回流过夜。监测反应完全后抽滤浓缩,柱层析纯化,得化合物6-6(550mg,73%)。ESI-MS m/z:270.2[M+H]+.
步骤六:
将化合物B1(0.83eq)和碳酸铯(1.5eq)加入到化合物6-6(135mg,0.5o mmol)的DMSO(2mL)溶液中,室温过夜。TLC板监测至原料转化完全,加入乙酸乙酯(10mL),饱和氯化钠水溶液水洗多次(3mL×6),合并有机相,浓缩,柱层析纯化,得化合物6-7(207mg,84%)。ESI-MS m/z:707.2[M+H]+.
步骤七:
将HCl(3mL,2M in EtOAc)加入到化合物6-7(100mg,0.132mmol)的EtOAc(1mL)溶液中,室温过夜。TLC板监测至原料转化完全,用水萃取,水相用饱和碳酸钠溶液调碱,再用EtOAc萃水相,合并有机相,浓缩得化合物6(42.6mg,79%)。1H NMR(300MHz,CDCl3)δ7.59(s,1H),7.50(dd,J=7.3,2.3Hz,1H),7.36–7.28(m,2H),4.26(s,2H),3.61(t,J=5.0Hz,4H),3.43(t,J=4.3Hz,1H),2.72–2.50(m,4H),2.39–2.26(m,1H),1.97–1.55(m,6H).ESI-MS m/z:407.2[M+H]+
实施例7:
Figure BDA0003523234410000161
步骤一:
将Boc酸酐(1.1eq)加入到化合物7-1(1g,8.68mmol)的DCM(15mL)溶液中,滴加三乙胺(1.2eq),室温过夜。监测反应完全后,EtOAc萃取,无水硫酸钠干燥,浓缩得化合物7-2(2.1g,粗品)。ESI-MS m/z:216.2[M+H]+.
步骤二:
将邻苯二甲酰亚胺(1.5eq)和三苯基膦(1.5eq)加入到化合物7-2(1.4g,6.51mmol)的THF(20mL)中,氮气保护,0℃下加入DEAD(1.5eq)的THF(2mL),15min后移至室温,反应过夜。监测反应完全后有机相浓缩,柱层析纯化,得化合物7-3(1.26g,56%)。ESI-MS m/z:345.2[M+H]+.
步骤三:
将水合肼(3eq)加入到化合物7-3(1.26g,3.64mmol)的甲苯(15mL)溶液中,80℃回流2h。监测反应完全后有机相浓缩,柱层析纯化,得化合物7-4(757mg,99%)。ESI-MS m/z:215.2[M+H]+.
步骤四:
将碳酸氢钠(4.6eq)和化合物1-2(1.1eq)加入到化合物7-4(757mg,3.6mmol)的乙醇(10mL)溶液中,氮气保护,85℃回流过夜。监测反应完全后抽滤浓缩,柱层析纯化,得化合物7-5(0.85g,74%)。ESI-MS m/z:374.2[M+H]+.
步骤五:
将Pd/C(20%wt)和水合肼(2eq)加入到化合物7-5(0.75g,2mmol)的乙醇(9mL)溶液中,氮气保护,85℃回流过夜。监测反应完全后抽滤浓缩,柱层析纯化,得化合物7-6(620mg,crude)。ESI-MS m/z:284.2[M+H]+.
步骤六:
将化合物B1(1eq)和碳酸铯(1.5eq)加入到化合物7-6(143mg,0.5mmol)的DMSO(2mL)溶液中,室温过夜。TLC板监测至原料转化完全,加入乙酸乙酯(10mL),饱和氯化钠水溶液水洗多次(3mL×6),合并有机相,浓缩,柱层析纯化,得化合物7-7(116.4mg,49%)。ESI-MS m/z:721.3[M+H]+.
步骤七:
将HCl(3mL,2M in EtOAc)加入到化合物7-7(116.4mg,0.25mmol)的EtOAc(1mL)溶液中,室温过夜。TLC板监测至原料转化完全,用水萃取,水相用饱和碳酸钠溶液调碱,再用EtOAc萃水相,合并有机相,浓缩得化合物7(42.6mg)。1H NMR(300MHz,CDCl3)δ7.59(s,1H),7.50(dd,J=7.4,2.2Hz,1H),7.36–7.28(m,2H),4.25(s,2H),3.70–3.53(m,4H),3.45–3.39(m,1H),2.76–2.56(m,4H),2.14–2.05(m,1H),1.94–1.72(m,4H),1.54–1.40(m,3H),1.32–1.18(m,1H).ESI-MS m/z:421.2[M+H]+
实例8:
Figure BDA0003523234410000171
步骤一:
将Boc酸酐(6.3g,28.93mmol)和加入到化合物8-1(3g,26.3mmol)的甲醇(50mL)溶液中,滴加三乙胺3.98g,室温过夜。监测反应完全后,萃取,无水硫酸钠干燥,柱层析纯化得化合物8-2(1.79g,32%)。ESI-MS m/z:215.2[M+H]+.
步骤二:
将碳酸氢钠(1.3g,15.37mmol)和化合物1-2(1g,4.27mmol)加入到化合物8-2(1g,4.70mmol)的乙醇(10mL)溶液中,氮气保护,85℃回流过夜。监测反应完全后抽滤浓缩,柱层析纯化,得化合物8-3(1.32g,80%)。ESI-MS m/z:374.2[M+H]+
步骤三:
将Pd/C(165mg,20%wt)和水合肼(187mg,3.74mmol)加入到化合物8-3(700mg,1.87mmol)的乙醇(10mL)溶液中,氮气保护,80℃回流过夜。监测反应完全后抽滤浓缩,柱层析纯化,得化合物8-4(320mg,60%)。ESI-MS m/z:284.2[M+H]+.
步骤四:
将化合物B1(209mg,0.44mmol)和碳酸铯(215mg,0.66mmol)加入到化合物8-4(150mg,0.53mmol)的DMSO(2mL)溶液中,室温过夜。TLC板监测至原料转化完全,加入乙酸乙酯(10mL),饱和氯化钠水溶液水洗多次(3mL×6),合并有机相,浓缩,柱层析纯化,得化合物8-5(136mg,43%)。ESI-MS m/z:721.3[M+H]+.
步骤五:
将HCl(3mL,2M in EtOAc)加入到化合物8-5(136mg,0.15mmol)的EtOAc(2mL)溶液中,室温过夜。TLC板监测至原料转化完全,用水萃取,水相用饱和碳酸钠溶液调碱,再用EtOAc萃水相,合并有机相,浓缩得化合物8(56mg,89%)。1H NMR(300MHz,CDCl3)δ7.59(s,1H),7.50(dd,J=7.4,2.3Hz,1H),7.36–7.28(m,2H),4.24(s,2H),3.58(t,J=5.1Hz,4H),3.42–3.36(m,1H),2.75–2.54(m,4H),2.08(dt,J=11.9,3.4Hz,1H),1.92–1.81(m,2H),1.58–1.14(m,6H).ESI-MS m/z:421.2[M+H]+
实施例9:
Figure BDA0003523234410000181
步骤一:
将中间体A1(3.00g,11.8mmol)、中间体B5(1.99g,1eq)、Pd2(dba)3(216.3mg,2mol%)、XantPhos(273.2mg,4mol%)、DIPEA(3.04g,2eq)置于封管中,氮气保护后加入无水二氧六环(50mL)于100℃反应过夜。监测反应完全后,乙酸乙酯萃取,无水硫酸钠干燥,浓缩,柱层析分离得化合物9-1(2.33g,收率72%)。1H NMR(300MHz,CDCl3):δ8.52(d,J=1.5Hz,1H),8.36(d,J=1.5Hz,1H),7.90(d,J=5.2Hz,1H),6.58(d,J=5.2Hz,1H),5.04(brs,2H).ESI-MS m/z:273.0[M+H]+.
步骤二:
将化合物9-1(100.0mg,0.37mmol)和化合物2-6(124.5mg,0.44mmol)溶于DIPEA:NMP(1:1,2mL)溶液中,95℃反应过夜,监测反应完全后,萃取,柱层析纯化,得化合物9-2(78.5mg,41%)。ESI-MS m/z:520.2[M+H]+.
步骤三:
将HCl(3mL,2M in EtOAc)加入到化合物9-2(65.1mg,0.13mmol)的EtOAc(1mL)溶液中,室温过夜。TLC板监测至原料转化完全,用水萃取,水相用饱和碳酸钠溶液调碱,再用EtOAc萃水相,合并有机相,浓缩得化合物9(20.2mg,38%)。1H NMR(300MHz,CDCl3)δ8.27(d,J=1.3Hz,1H),8.20(d,J=1.3Hz,1H),7.69(d,J=5.4Hz,1H),6.01(d,J=5.4Hz,1H),4.88(s,2H),3.71–3.64(m,4H),3.41–3.35(m,1H),2.77–2.59(m,4H),2.12–2.04(m,1H),1.87–1.76(m,3H),1.51–1.38(m,4H),1.26–1.17(m,1H).ESI-MS m/z:420.2[M+H]+
实例10:
Figure BDA0003523234410000191
步骤一:
将Boc酸酐(1.1eq)加入到化合物10-1(1g,3.89mmol)的DCM(15mL)溶液中,滴加三乙胺(1.2eq),室温过夜。监测反应完全后,EtOAc萃取,无水硫酸钠干燥,柱层析纯化,得化合物10-2(606.1mg,41%)。ESI-MS m/z:357.1[M+H]+.
步骤二:
将Bpin(1.5eq),Pd(dppf)Cl2(5mol%)和CH3COOK(2.5eq)加入到化合物10-2(300mg,0.84mmol)的无水二氧六环(3mL)液体中,90℃反应1.5h,监测反应完全后,萃取,柱层析纯化,得化合物10-3(141.2mg,42%)。ESI-MS m/z:405.2[M+H]+.
步骤三:
将Pd(dppf)Cl2(5mol%),Na2CO3(2eq)和中间体B1(1eq)加入到化合物10-3(141.2mg)的二氧六环和水的混合溶液中,90℃反应1.5h,监测反应完全后,萃取,柱层析纯化,得化合物10-4(106.9mg,43%)。ESI-MS m/z:716.3[M+H]+.
步骤四:
将HCl(3mL,2M in EtOAc)加入到化合物10-4(79mg)的EtOAc(1mL)溶液中,室温过夜。TLC板监测至原料转化完全,用水萃取,水相用饱和碳酸钠溶液调碱,再用EtOAc萃水相,合并有机相,浓缩得化合物10(43.8mg,95%)。1H NMR(300MHz,CDCl3)δ8.36(d,J=2.4Hz,1H),8.30(s,1H),7.97(dd,J=9.5,2.5Hz,1H),7.62–7.55(m,1H),7.41–7.34(m,2H),6.68(d,J=9.5Hz,1H),5.14–5.02(m,1H),4.64(s,2H),3.90–3.79(m,1H),2.33–2.16(m,2H),2.14–1.96(m,2H),1.73–1.52(m,2H).ESI-MS m/z:416.1[M+H]+
实例11:
Figure BDA0003523234410000201
步骤一:
将Boc酸酐(1.1eq)加入到化合物11-1(1.2g,4.7mmol)的DCM(15mL)溶液中,滴加三乙胺(1.2eq),室温过夜。监测反应完全后,EtOAc萃取,无水硫酸钠干燥,柱层析纯化,得化合物11-2(1.12mg,67%)。ESI-MS m/z:357.1[M+H]+.
步骤二:
将Bpin(1.5eq),Pd(dppf)Cl2(5mol%)和CH3COOK(2.5eq)加入到化合物11-2(450mg,1.26mmol)的无水二氧六环(5mL)液体中,90℃反应1.5h,监测反应完全后,萃取,柱层析纯化,得化合物11-3(243.7mg,48%)。ESI-MS m/z:405.2[M+H]+.
步骤三:
将Pd(dppf)Cl2(5mol%),Na2CO3(2eq)和中间体B1(1eq)加入到化合物11-3(120mg,0.3mmol)的二氧六环和水的混合溶液中,90℃反应1.5h,监测反应完全后,萃取,柱层析纯化,得化合物11-4(91.3mg,41%)。ESI-MS m/z:716.3[M+H]+.
步骤四:
将HCl(3mL,2M in EtOAc)加入到化合物11-4(91.3mg)的EtOAc(1mL)溶液中,室温过夜。TLC板监测至原料转化完全,用水萃取,水相用饱和碳酸钠溶液调碱,再用EtOAc萃水相,合并有机相,浓缩得化合物11(53.1mg,99%)。1H NMR(300MHz,CDCl3)δ8.28(s,1H),8.20(d,J=2.5Hz,1H),7.93(dd,J=9.5,2.5Hz,1H),7.64–7.55(m,1H),7.42–7.34(m,2H),6.69(d,J=9.5Hz,1H),5.06–4.94(m,1H),4.59(s,2H),3.49(q,J=8.4Hz,1H),2.39–2.12(m,2H),1.99–1.81(m,3H),1.57–1.49(m,1H).ESI-MS m/z:416.1[M+H]+
实施例12:
Figure BDA0003523234410000211
步骤一:
将化合物2-6(131mg,0.46mmol)和碳酸钾(127.1mg,0.92mmol)加入到化合物12-1(132.5mg,0.46mmol)的NMP(2mL)溶液中,100℃反应过夜,监测反应完全后,萃取,柱层析纯化,得化合物12-2(79.1mg,38%)。ESI-MS m/z:535.2[M+H]+.
步骤二:
将HCl(3mL,2M in EtOAc)加入到化合物12-2(65mg,0.143mmol)的EtOAc(1mL)溶液中,室温过夜。TLC板监测至原料转化完全,用水萃取,水相用饱和碳酸钠溶液调碱,再用EtOAc萃水相,合并有机相,浓缩得化合物12(43.2mg,85%)。1H NMR(300MHz,DMSO-d6)δ7.63(d,J=5.4Hz,1H),7.60(s,1H),6.27(s,2H),6.18(s,2H),5.72(d,J=5.4Hz,1H),3.59–3.51(m,4H),3.34–3.24(m,1H),2.63–2.51(m,4H),2.01–1.92(m,1H),1.74–1.09(m,8H).ESI-MS m/z:435.2[M+H]+
实施例13:
Figure BDA0003523234410000221
步骤一:
将(PhO)2P(=O)N3(1.13eq),Et3N(1.6eq),加入到化合物13-1(2g,8.22mmol)的甲苯(40mL)溶液中,室温反应3h。再加入苯甲醇(2eq),100℃反应过夜。监测反应完全后,萃取,柱层析纯化,得化合物13-2(2.53g,88%)。ESI-MS m/z:349.2[M+H]+.
步骤二:
将Pd/C(20%wt)加入到化合物13-2(1.5g,4.3mmol)的甲醇(20mL)溶液中,氢气条件下室温反应过夜,监测反应完全后,萃取,柱层析纯化,得化合物13-3(613.2mg,66%)。ESI-MS m/z:215.2[M+H]+.
步骤三:
将碳酸氢钠(1.1eq)和化合物1-2(1.1eq)加入到化合物13-3(600mg,2.3mmol)的乙醇(10mL)溶液中,氮气保护,85℃回流过夜。监测反应完全后抽滤浓缩,柱层析纯化,得化合物13-4(730mg,80%)。ESI-MS m/z:374.3[M+H]+.
步骤四:
将Pd/C(20%wt)和水合肼(4eq)加入到化合物13-4(690mg,1.85mmol)的乙醇(10mL)溶液中,氮气保护,80℃回流过夜。监测反应完全后抽滤浓缩,柱层析纯化,得化合物13-5(320mg,62%)。ESI-MS m/z:284.2[M+H]+
步骤五:
将化合物B1(1eq)和碳酸铯(1.5eq)加入到化合物13-5(119.1mg,0.42mmol)的DMSO(2mL)溶液中,室温过夜。TLC板监测至原料转化完全,加入乙酸乙酯(10mL),饱和氯化钠水溶液水洗多次(3mL×6),合并有机相,浓缩,柱层析纯化,得化合物13-6(170.3mg,56%)。ESI-MS m/z:721.3[M+H]+.
步骤六:
将HCl(3mL,2M in EtOAc)加入到化合物13-6(79mg)的EtOAc(1mL)溶液中,室温过夜。TLC板监测至原料转化完全,用水萃取,水相用饱和碳酸钠溶液调碱,再用EtOAc萃水相,合并有机相,浓缩得化合物13(45mg,95%)。1H NMR(300MHz,CDCl3)δ7.59(s,1H),7.50(dd,J=7.4,2.3Hz,1H),7.36–7.28(m,2H),4.24(s,2H),3.60(t,J=5.1Hz,4H),2.81–2.61(m,5H),2.49–2.37(m,1H),2.11–2.02(m,1H),1.90–1.71(m,2H),1.40–0.92(m,5H).ESI-MS m/z:421.2[M+H]+
实施例14:
Figure BDA0003523234410000231
步骤一:
将3,6-二溴吡嗪-2-甲酸甲酯(800.0mg,2.7mmol)、化合物2-6(1.1eq)及DIPEA(5eq)溶于乙腈(12mL),室温搅拌过夜。监测反应完全后,乙酸乙酯萃取,无水硫酸钠干燥,浓缩,柱层析分离得化合物14-1(1.22g,91%)。ESI-MS m/z:498.2[M+H]+.
步骤二:
将2-氨基-3-氯吡啶-4-硫代硫酸钠(1.5eq),Pd2(dba)3(2mol%)、XantPhos(6mol%)、DIPEA(3eq)加入到化合物14-1(1.1g,2.21mmol)的无水二氧六环(10mL)溶液中,氮气保护后于100℃反应过夜。监测反应完全后,乙酸乙酯萃取,无水硫酸钠干燥,浓缩,柱层析分离得化合物14-2(1.0g,85%)。ESI-MS m/z:578.2[M+H]+.
步骤三:
将DIBAL-H(4eq)加入到化合物14-2(900mg,1.56mmol)的DCM(15mL)溶液中,室温反应过夜。监测反应完全后,乙酸乙酯萃取,无水硫酸钠干燥,浓缩,柱层析分离得化合物14-3(137mg,15%)。ESI-MS m/z:550.2[M+H]+.
步骤四:
将HCl(3mL,2M in EtOAc)加入到化合物14-3(65mg)的EtOAc(1mL)溶液中,室温过夜。TLC板监测至原料转化完全,用水萃取,水相用饱和碳酸钠溶液调碱,再用EtOAc萃水相,合并有机相,浓缩得化合物14(12mg,23%)。1H NMR(300MHz,CDCl3)δ8.28(s,1H),7.70(d,J=5.4Hz,1H),6.05(d,J=5.4Hz,1H),5.01(s,2H),4.67(s,2H),3.51–3.30(m,4H),2.82–2.59(m,4H),2.20–2.09(m,1H),1.98–1.72(m,3H),1.59–1.14(m,6H).ESI-MS m/z:450.2[M+H]+
实施例15:
Figure BDA0003523234410000241
步骤一:
将化合物9-1(64.1mg,0.23mmol)和化合物2-6(75.0mg,0.23mmol)溶于DIPEA:NMP(1:1,1.5mL)溶液中,95℃反应过夜,监测反应完全后,萃取,柱层析纯化,得化合物15-1(58.5mg,45%)。ESI-MS m/z:554.2[M+H]+.
步骤二:
将HCl(3mL,2M in EtOAc)加入到化合物15-1(65mg)的EtOAc(1mL)溶液中,室温过夜。TLC板监测至原料转化完全,用水萃取,水相用饱和碳酸钠溶液调碱,再用EtOAc萃水相,合并有机相,浓缩得化合物15(12mg,23%)。1H NMR(300MHz,CDCl3)δ8.29(d,J=1.3Hz,1H),8.23(d,J=1.3Hz,1H),7.70(d,J=5.4Hz,1H),7.42–7.36(m,1H),7.26–7.20(m,3H),6.03(d,J=5.4Hz,1H),4.89(s,2H),4.31(d,J=4.9Hz,1H),3.82–3.73(m,4H),3.05–2.88(m,3H),2.86–2.76(m,2H),2.72–2.63(m,2H).ESI-MS m/z:454.2[M+H]+
实施例16:
Figure BDA0003523234410000242
步骤一:
将化合物C1(95.1mg,0.35mmol)和碳酸铯(228.2mg,0.7mmol)加入到化合物B1(165.6mg,0.35mmol)的DMSO(2mL)溶液中,室温过夜。TLC板监测至原料转化完全,加入乙酸乙酯(30mL),饱和氯化钠水溶液水洗多次(6×3mL),合并有机相,浓缩,柱层析纯化,得化合物16-2(91.2mg,37%)。ESI-MS m/z:709.2[M+H]+.
步骤二:
将HCl(2mL,2M in EtOAc)加入到化合物16-2(91.2mg,0.13mmol)的EtOAc(2mL)溶液中,室温过夜。TLC板监测至原料转化完全,用水萃取,水相用饱和碳酸钠溶液调碱,再用EtOAc萃水相,合并有机相,浓缩得化合物16-3(58.2mg,粗品)。
步骤三:
将水合肼(3eq)加入到化合物16-3(58.2mg,0.12mmol)的乙醇(1mL)溶液中,60℃反应3h。监测反应完全后有机相浓缩,柱层析纯化,得化合物16(20.2mg,41%over2steps)。ESI-MS m/z:379.1[M+H]+
实施例17:
Figure BDA0003523234410000251
步骤一:
将化合物C1(45.6mg,0.17mmol)和碳酸钾(34.8mg,0.25mmol)加入到化合物12-1(53.9mg,0.19mmol)的NMP(2mL)溶液中,95℃反应过夜,监测反应完全后,萃取,柱层析纯化,得化合物17-1(30.0mg,34%)。1H NMR(300MHz,CDCl3)δ7.88–7.69(m,5H),7.66(s,1H),6.05(d,J=5.4Hz,1H),4.92(brs,2H),4.84(brs,2H),4.49–4.41(m,1H),4.28–4.20(m,1H),3.46–3.39(m,1H),3.36–2.99(m,3H),2.78–2.68(m,1H),2.50–2.15(m,5H).ESI-MS m/z:523.1[M+H]+.
步骤二:
将水合肼(3eq)加入到化合物17-1(30.0mg,0.057mmol)的乙醇(1mL)溶液中,60℃反应3h。监测反应完全后有机相浓缩,柱层析纯化,得化合物16(14.8mg,66%)。1H NMR(300MHz,DMSO-d6)δ7.67–7.62(m,2H),6.28(brs,2H),6.19(brs,2H),5.73(d,J=5.3Hz,1H),4.49–4.40(m,1H),4.34–4.24(m,1H),3.57–3.33(m,1H),3.07–2.59(m,4H),2.33–1.86(m,4H),1.20–1.07(m,1H).ESI-MS m/z:393.1[M+H]+
实施例18
Figure BDA0003523234410000252
的合成:
参照实施例17的合成方法,得到实施例18。1H NMR(300MHz,Chloroform-d)δ7.70(d,J=5.4Hz,1H),7.64(s,1H),6.03(d,J=5.4Hz,1H),4.87(brs,2H),4.84(brs,2H),4.47–4.39(m,1H),4.33–4.22(m,1H),3.73–3.63(m,1H),3.53–3.45(m,1H),3.13–3.00(m,2H),2.73–2.62(m,1H),2.41–2.27(m,2H),2.00–1.83(m,2H),1.64–1.55(m,1H).ESI-MS m/z:393.1[M+H]+
实施例19
Figure BDA0003523234410000261
的合成:/>
参照实施例17的合成方法,得到实施例19。H NMR(300MHz,DMSO-d6)δ8.48(d,J=1.4Hz,1H),8.31(d,J=1.4Hz,1H),7.65(d,J=5.4Hz,1H),6.36(brs,2H),5.80(d,J=5.4Hz,1H),4.60–4.33(m,1H),4.41(d,J=12.9Hz,1H),3.57–3.46(m,1H),3.12–2.69(m,4H),2.37–1.95(m,4H),1.29–1.18(m,1H).ESI-MS m/z:378.1[M+H]+
实施例20体外SHP2酶水平活性测试
对上述实施例中化合物的SHP2酶水平活性进行测试,具体操作如下:
4.1化合物配制
化合物溶解在100%DMSO中,配制成30mM储存液,于-20度冰箱避光保存。
4.2SHP2反应过程
(1)配制1×REtOAcctionBuffer。
(2)化合物浓度梯度的配制:受试化合物测试起始浓度为30μM,3倍稀释,10个浓度,单孔测试。在384source板中稀释成100倍终浓度的100%DMSO溶液,用Precision 3倍稀释化合物,10个浓度。使用分液器Echo 550向目的板384板中转移250nL 100倍终浓度的化合物。正对照加入250nL DMSO,负对照加入250nL 1mM SHP099。
(3)用1×REtOAcctionBuffer配制5倍终浓度的激活肽溶液,分别加入5μL到反应板中,
1000rpm离心1min。
(4)用1×REtOAcctionBuffer配制2.5倍终浓度的酶溶液,分别加入10μL到反应板中,1000rpm离心1min,室温孵育60分钟。
(5)用1×REtOAcctionBuffer配制2.5倍终浓度的底物溶液,分别加入10μL到反应板中,1000rpm离心1min,室温孵育20分钟。
(6)用EnSight读取Ex355/Em460荧光数值
4.3数据分析
计算公式
Figure BDA0003523234410000271
其中:RFU:样品的荧光值;MEtOAcn(NC):含10μM SHP099的对照孔荧光值均值;MEtOAcn(PC):阳性对照孔荧光值均值。
拟合量效曲线以浓度的log值作为X轴,百分比抑制率为Y轴,采用分析软件GraphPad Prism 5的log(inhibitor)vs.response-Variable slope拟合量效曲线,从而得出各个化合物对酶活性的IC50值。
计算公式是Y=Bottom+(Top-Bottom)/(1+10^((LogIC50-X)*HillSlope))
具体结果如表所示:
Figure BDA0003523234410000272
Figure BDA0003523234410000281
A<500nM,500nM≤B≤1000nM,C>1000nM。
实验结论:以上数据显示,本发明实施例化合物对SHP2磷酸酶具有变构抑制作用。
化合物体外抗增殖活性
实施例21细胞毒性实验
1、实验步骤
(1)PBS溶液进行高压灭菌,置于冰箱4℃保存。
(2)称量胰蛋白酶和胰酶消化液,加入超纯水充分溶解,用微孔过滤器过滤得液体,置于冰箱-20℃保存。
(3)分别称取培养基粉和NaHCO3,加入超纯水充分溶解,加入10%双抗,用微孔滤膜过滤得培养液,置于冰箱4℃保存,待使用前加入10%胎牛血清。
(4)将NCI-H358细胞从液氮罐中取出,立刻置于37摄氏度恒温水浴锅中,摇晃使其融化,再将细胞倒入培养瓶中,加入培养液(含10%胎牛血清)稀释。将稀释后的培养基转入离心管中,1000r/min离心5分钟,舍弃上清液,再加入新鲜的培养基吹打混匀,移入培养瓶中培置于5%CO2、37℃培养箱中培养。待细胞贴壁快铺满瓶底时开始进行传代,加入少量新鲜的培养基(含10%胎牛血清)终止消化,倒掉培养瓶中的液体,PBS洗两遍,加入新鲜培养基吹打混匀,均分到两个培养瓶中继续培养。
(5)取对数期细胞,倒掉旧培养基,加入胰蛋白酶溶液消化3分钟,加入含10%胎牛血清的新鲜培养基终止消化,将溶液转移至离心管,1000r/min离心5分钟,舍弃上清液。加入培养基将其配制成细胞悬浊液,进行细胞计数。计数完成后,按照每孔5000-10000个细胞浓度将细胞植于96孔板中。将铺好细胞的96孔板置于37℃、5%CO2培养箱中继续培养24h。用培养基将药物梯度稀释为90μmol/L,30μmol/L,10μmol/L,3.3μmol/L,1.1μmol/L,0.37μmol/L随后将它们加入到96孔板中,每孔100μL,每个浓度设置三个复孔。对照组加入相应浓度的含溶媒的培养基,调零孔加入相同体积的空白培养基,置于5%CO2、37℃培养箱孵育3天,每两天更换一次培养基。每孔加入20μL MTT(5mg/mL),混合均匀后,于5%CO2、37℃培养箱避光培养4h。将96孔板中的液体移除,每孔加入150μL DMSO,置于微型振荡器上震荡,使底部的结晶完全溶解。随后将96孔板放入酶标仪中检测,于490nm处测定吸光度。
2、数据处理
绘制曲线并计算药物对细胞的抑制率及IC50
抑制率=[(对照组平均OD值-实验组平均OD值)/(对照组平均OD值-空白对照组平均OD值)]×100%。
3、实验结果
化合物对非小细胞肺癌细胞株NCI-H358细胞的抑制活性如下:
化合物编号 抑制率(10μM) 抑制率(50μM)
2 41.8% 53.1%
3 39.5% 60.0%
5 58.2% 60.2%
14 16.4% 53.9%
17 6.64% 26.5%
SHP099 -3% 41%
实验结论:以上数据显示,本发明实施例化合物对NCI-H358细胞的增殖具有良好的抑制作用。相比较SHP099而言,本发明实施例5具备新颖的结构和更优越的活性。

Claims (5)

1.一种如通式I所示的化合物,及其药学上可接受的盐、对映异构体、非对映异构体、互变异构体或多晶型物
Figure FDA0004223190630000011
R1、R2和R3分别独立地为氢、卤素、氨基;
X为N或CH;
L为键、O或S;
Figure FDA0004223190630000015
独立地是单键或双键:
Figure FDA0004223190630000016
为双键时,Y1为N,Y2为CH;
Figure FDA0004223190630000017
为单键时,Y1为C=O,Y2为NRa或CRbRc,其中Ra、Rb和Rc分别独立地为氢、C1-C3的烷基、C1-C3的羟烷基、C1-C3的烷氧基;
R4
Figure FDA0004223190630000012
Figure FDA0004223190630000013
其中,n=0或1。
2.如权利要求1所述的化合物,其特征在于所述化合物为如下结构式中任意一个:
Figure FDA0004223190630000014
Figure FDA0004223190630000021
3.一种药物组合物,其特征在于含有如权利要求1所述的化合物和药学可接受的辅料。
4.如权利要求3所述的药物组合物,其特征在于药物组合物制成片剂、胶囊剂、注射液或冻干粉剂。
5.如权利要求1或2所述的化合物、权利要求3或4所述的药物组合物在制备治疗抗肿瘤药物中应用。
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