CN110407770A - 3-取代-1,5-苯并氮杂*类化合物及其药物用途 - Google Patents
3-取代-1,5-苯并氮杂*类化合物及其药物用途 Download PDFInfo
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- CN110407770A CN110407770A CN201810391788.1A CN201810391788A CN110407770A CN 110407770 A CN110407770 A CN 110407770A CN 201810391788 A CN201810391788 A CN 201810391788A CN 110407770 A CN110407770 A CN 110407770A
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Abstract
本发明属于医药技术领域,涉及式Ⅰ结构通式的3‑取代‑1,5‑苯并氮杂酮类化合物及其在医药上的应用。该类3‑取代‑1,5‑苯并氮杂类化合物能选择性地抑制糖原合成激酶‑3β(GSK 3β)的活性,可用于制备预防和/或治疗具有GSK 3β异常病理特征的疾病的药物,所述疾病包括癌症、神经类疾病、代谢综合症等。
Description
技术领域
本发明属于医药技术领域,涉及一类新的式Ⅰ结构的3-取代-1,5-苯并氮杂酮类化合物及其在医药上的应用。该类3-取代苯并氮杂类化合物能选择性地抑制糖原合成激酶-3β(GSK 3β)的活性,可用于制备预防和/或治疗具有GSK 3β异常病理特征的疾病的药物,所述疾病包括癌症、神经类疾病、代谢综合症等。
背景技术
现有技术公开了糖原合成激酶-3β(Glycogen synthase kinase-3β,GSK-3β)是一种多功能的丝氨酸/苏氨酸蛋白激酶,能够磷酸化糖原合成酶并使其失活。研究表明,GSK-3β能够磷酸化多种底物蛋白,参与体内多个重要信号传导通路,包括胰岛素信号通路、Wnt信号通路和NF-κB信号通路等,在调控细胞的分化、代谢、凋亡以及基因表达等方面都起着重要作用,与II型糖尿病、阿尔茨海默病、肿瘤、中风、双向情感障碍和炎症等疾病的发生发展密切相关;因此,GSK3β是一个重要的药物新靶标。
研究表明,在胰岛素信号通路中,胰岛素通过抑制GSK 3的活性从而促进糖原合成酶的去磷酸化和糖原的合成,因此作用于GSK 3的小分子抑制剂可以模拟胰岛素作用,促进葡萄糖向糖原的转化,并且可以克服因胰岛素信号通路受阻引起的胰岛素耐受。另有研究发现,II型糖尿病患者的GSK 3的蛋白表达和活性高于正常水平,且活性异常的GSK 3引起胰岛素受体IRS1磷酸化和活性抑制,导致胰岛素信号通路异常(Eldar-Finkelman H,etal.,Diabetes 48(1999)1662-1666.Nikoulina SE,et al.,Diabetes 49(2000)263-271.Eldar-Finkelman H,et al.,Proc Natl Acad Sci U.S.A.94(1997)9660-9664),因此,GSK 3β已成为潜在的糖尿病治疗靶标。
研究显示GSK 3β在阿尔兹海默病的发生发展进程中起关键的调控作用,其抑制剂也可应用于治疗阿尔兹海默病。尽管自阿尔兹海默病的发现已过去一个世纪,但其具体成因尚不明确;目前最为流行的病因假说为,不溶性β-淀粉样肽(Aβ)的聚集形成的老年斑块干扰了神经元突触间的联系,导致神经元死亡;AD的另一典型病理特征为Tau蛋白过度磷酸化后形成的神经元纤维缠结(NFT);GSK 3β几乎存在于所有组织中,在脑组织中尤为丰富,GSK 3β能够磷酸化tau蛋白,很可能在Aβ引起的神经元损伤和NFT形成中扮演重要角色(YanMH,et al.,J.Alzheimers Dis.9(2006)309-317);在PI3K/Akt信号通路中,Aβ抑制PI3K/Akt的活性,导致GSK 3β被激活,活性异常的GSK 3β继而引起tau蛋白的过度磷酸化,最终导致神经元受损和神经纤维结的形成,与此同时GSK3β的激活导致驱动蛋白磷酸化而失活,轴突转运蛋白能力受阻,导致神经元细胞损伤。
研究显示GSK 3β在细胞周期、细胞凋亡、细胞增殖和胚胎发育等过程中扮演重要角色,GSK 3β通过磷酸化信号转录因子如c-Myc、c-Jun、p53,参与NF-κB信号通路,并影响凋亡相关蛋白Bcl-2和Bax以及周期相关蛋白cyclinD1等表达,影响细胞的生存和增殖,这种情况下GSK 3发挥肿瘤促进剂的作用(Beurel E,et al.,Prog.Neurobiol.79(2006)173-189,McCubrey JA,et al.,Adv.Biol.Regul.54(2014)176-196)。研究发现,GSK 3在一些实体瘤,如结肠癌,肝癌,卵巢癌和胰腺癌中过度表达,抑制GSK 3的活性将会减缓这几类肿瘤的发展进程(Sharkoori A,et al.,Biochem Biophys Res Commun.334(2005)1365-1373,Wang Z,et al.,Nature 455(2008)1205-1210,Ougolkov AV,et al.,Cancer Res.65(2005)2076-2081,Cao Q,et al.,Cell Res.16(2006)671-677)。
目前报道的大多数GSK 3β抑制剂为ATP竞争性抑制剂,由于ATP结合区域在500多种激酶中高度保守,因此作用于该活性区域所带来的选择性及特异性问题不容忽视。相较于ATP竞争型抑制剂,非ATP竞争型抑制剂不仅具有较好的激酶选择性,而且在细胞水平和动物水平的测试中也显示出很好的活性。目前处于临床IIb期用于治疗阿尔兹海默病和进行性核上性麻痹症(PSP)的NP12就属于非ATP竞争型抑制剂,也表明非ATP竞争作用模式的优势。
此外,GSK 3β参与调控多条信号转导通路,正常水平的GSK 3β对于维持机体的生理活动至关重要。研究发现引起机体生物功能失调的GSK 3β水平只是正常水平的2-3倍,而过度抑制其活性很可能会导致严重的毒副作用。
基于现有技术的基础,本申请的发明人拟提供具有更精细更温和的调节作用的GSK 3β抑制剂,具体涉及一类新结构的3-取代-1,5-苯并氮杂酮类化合物及其在医药上的应用。
发明内容
本发明的目的之一在于提供新的GSK 3β抑制剂,具体涉及新的3-取代-1,5-苯并氮杂酮类化合物,其结构通式如式Ⅰ所示:
其中,X选自氧、硫或氮原子;R1选自C1-5的烷基、C2-5的烯基、五元芳香杂环基、苯基、取代苯基、苯基烷基、苯基烯基;R2选自丙烯酰基、硝基苄基;A选自羰基或磺酰基。
优选地,所述取代苯基的取代基取自卤素基、苯基、C1-5的烷氧基、三氟甲基、C1-3的羧酸酯基;所述的五元芳香杂环基取自噻吩基、呋喃基、吡咯基;所述的苯基烷基的烷基为C1-4的烷基;所述的苯基烯基的烯基为C2-4的烯基。
优选地,所述的卤素基包括氟、氯或溴。
本发明所示的式Ⅰ结构的3-取代-1,5-苯并氮杂酮类化合物,包括其手性异构体化合物,结构如式Ⅰa所示:
其中,X选自氧、硫或氮原子;R1选自C1-5的烷基、C2-5的烯基、五元芳香杂环基、苯基、取代苯基、苯基烷基、苯基烯基;R2选自丙烯酰基、硝基苄基;A选自羰基或磺酰基。
优选地,所述取代苯基的取代基取自卤素基、苯基、C1-5的烷氧基、三氟甲基、C1-3的羧酸酯基;所述的五元芳香杂环基取自噻吩基、呋喃基、吡咯基;所述的苯基烷基的烷基为C1-4的烷基;所述的苯基烯基的烯基为C2-4的烯基。
优选地,所述的卤素基包括氟、氯或溴。
优选地,当R2为丙烯酰基时,R1为氟代苯基,A为羰基。
本发明所示的式Ⅰ结构的3-取代-1,5-苯并氮杂酮类化合物,包含式Ⅰb所示的手性化合物:
其中,X选自氧、硫或氮原子;R1选自C1-5的烷基、C2-5的烯基、五元芳香杂环基、苯基、取代苯基、苯基烷基、苯基烯基;R2选自丙烯酰基、硝基苄基;A选自羰基或磺酰基。
优选地,所述取代苯基的取代基取自卤素基、苯基、C1-5的烷氧基、三氟甲基、C1-3的羧酸酯基;所述的五元芳香杂环基取自噻吩基、呋喃基、吡咯基;所述的苯基烷基的烷基为C1-4的烷基;所述的苯基烯基的烯基为C2-4的烯基。
优选地,所述的卤素基包括氟、氯或溴。
优选地,R1选自甲氧基苯基、丙氧基苯基、苄基,R2选自硝基苄基,A为羰基。
本发明所述的式Ⅰ结构的3-取代-1,5-苯并氮杂酮类化合物经酶动力学测试表明对GSK-3β的作用模式为非ATP竞争。
本发明的另一目的是提供式Ⅰ所示的化合物在制备预防或治疗具有GSK 3β异常病理特征的疾病的药物中的用途。
本发明所述的式Ⅰ结构的化合物可用于制备预防或治疗具有GSK 3β异常病理特征的疾病的药物。
优选地,所述具有GSK 3β异常病理特征的疾病包括癌症、神经类疾病、炎症、代谢综合症。
优选地,所述癌症包含肝细胞肝癌、胆管癌、鼻咽癌、乳腺癌、宫颈癌、非小细胞肺癌、小细胞肺癌、胃癌、食道癌、结直肠癌、胰腺癌、黑色素瘤、口腔癌、肾癌、膀胱癌、前列腺癌、骨肉瘤、卵巢癌、输卵管癌症、胃肠间质瘤、神经胶质瘤、头颈部癌症、白血病、淋巴瘤、多发性骨髓瘤、骨髓增生异常综合症。
优选地,所述神经类疾病包括阿尔茨海默病、帕金森病、双向情感障碍、强直性肌营养不良、进行性核上麻痹、自闭症谱系障碍等。
优选地,所述代谢综合症包括糖尿病。
本发明提供了一类新结构的3-取代-1,5-苯并氮杂酮类化合物及其在医药上的应用。该类3-取代苯并氮杂类化合物能选择性地抑制糖原合成激酶-3β(GSK 3β)的活性,可用于制备预防和/或治疗具有GSK 3β异常病理特征的疾病的药物,所述疾病包括癌症、神经类疾病、代谢综合症等。
附图说明
图1是本发明所述的式I结构化合物12对GSK-3β活性测试的动力学数据双倒数图,其中,GS-2浓度不变时,10μM和20μM浓度的化合物12的直线与对照组直线相交于X轴,表明化合物12为非ATP竞争型抑制剂(A),ATP浓度不变时,10μM和20μM浓度的化合物12的直线与对照组直线相交于X和Y轴以外,表化合物明12为非底物竞争型抑制剂(B)。
本发明所述的3-取代-1,5-苯并氮杂酮类化合物的制备参见以下实施例。
具体实施方式
实施例1:制备(R)-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]硫氮杂-3-基)苯甲酰胺(7),其结构式如下所示:
第一步:制备N-Boc-L-半胱氨酸(1)
向反应瓶中加入L-半胱氨酸(6.0g,50mmol)、NaOH(1.2g,50mmol)、二氧六环(30mL)和水(50mL),冰浴下加入(Boc)2O(17.0g,70mmol),继续室温搅拌过夜。减压浓缩除去二氧六环,水层用乙酸乙酯萃取除去未反应的Boc酸酐。水层用1mol/L的盐酸调pH至1-2,乙酸乙酯萃取两次,合并有机相并用饱和食盐水洗涤,无水硫酸钠干燥,减压浓缩得无色糖浆状物2.15g(1),收率97%。直接用于下步反应;
第二步:制备(S)-2-((叔丁氧羰基)氨基)-3-(2-硝基苯基)硫)丙酸(2)
向反应瓶中加入N-Boc-L-半胱氨酸(1)(12.5g,56mmol)、乙醇(80mL)、NaHCO3(14.2g,169mmol)、水(40mL),滴加乙醇(20mL)稀释的邻氟硝基苯(7.9g,61mmol),滴加完毕回流4h。减压浓缩除去乙醇,剩余物用水稀释,乙醚洗涤两次除去脂溶性杂质。水层用1NHCl调pH至4,乙酸乙酯萃取两次,合并有机相并用饱和食盐水洗涤,无水硫酸钠干燥,减压浓缩得淡黄色油状固体14.7g(2),收率76%。直接用于下步反应;
第三步:制备(S)-3-(2-氨基苯基)硫)-2-((叔丁氧羰基)氨基)丙酸(3)
向反应瓶中加入2(14.7g,43mmol)、锌粉(27.9g,430mmol)、氯化铵固体(4.6g,86mmol)、MeOH(300mL),回流5h。冷至室温,硅藻土过滤,滤液减压浓缩除去甲醇。剩余物用二氯甲烷稀释,经硅藻土过滤,滤液经水洗、饱和食盐水洗、无水硫酸钠干燥,减压浓缩得类白色固体12.0g(3),收率89%;
第四步:制备叔丁基-(R)-(4-氧-2,3,4,5-四氢-苯并[b][1,4]硫氮杂-3-基)氨基甲酸酯(4)
向反应瓶中加入3(2.0g,6mmol)、HATU(2.4g,6mmol)、DIPEA(1.1mL,7mmol)DCM(30mL),室温搅拌4h。二氯甲烷稀释,依次用水洗、饱和食盐水洗,无水硫酸钠干燥。减压浓缩得粗品,经硅胶柱层析(PE:EA=80:20)得类白色固体1.3g(4),收率72%;
第五步:制备叔丁基-(R)-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]硫氮杂-3-基)氨基甲酸酯(5)
向反应瓶中加入4(3.3g,11mmol)、2-硝基溴苄(2.6g,12mmol)、K2CO3(3.0g,22mmol)、DMF(50mL),室温搅拌4h。乙酸乙酯稀释,依次用水洗、饱和食盐水洗,无水硫酸钠干燥。减压浓缩得粗品,经硅胶柱层析(PE:EA=80:20)得淡黄色固体3.3g(5),收率68%;
第六步:制备(R)-3-氨基-5-(2-硝基苄基)-2,3-二氢-苯并[b][1,4]硫氮杂-4(5H)-酮(6)
向反应瓶中加入5(3.3g,7mmol)、TFA(5mL)、DCM(20mL),室温搅拌2h。减压浓缩除去溶剂,剩余物经正己烷萃取洗去脂溶性杂质。水层用饱和碳酸钠水溶液调pH至8,二氯甲烷萃取,有机层用饱和食盐水洗涤,无水硫酸钠干燥,减压浓缩得淡黄色固体2.5g(6),收率98%;
第七步:制备(R)-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]硫氮杂-3-基)苯甲酰胺(7)
向反应瓶中加入6(0.13g,0.4mmol)、苯甲酸(0.05g,0.4mmol)、HATU(0.15g,0.4mmol)、DIPEA(0.22mL,1.2mmol)、DCM(30mL),室温搅拌5h。二氯甲烷稀释,依次用1NHCl、饱和碳酸氢钠、饱和食盐水洗,无水硫酸钠干燥。减压浓缩得粗品,经硅胶柱层析(PE:EA=75:25)得白色固体0.1g(7),收率59%。
实施例2:制备甲基-(R)-4-((5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]硫氮杂-3-基)氨基甲酰)苯甲酸酯(8),其结构式如下所示:
制备方法同实施例1中化合物7的制备,用对苯二甲酸单甲酯代替苯甲酸,得白色固体,收率70%。1H NMR(400MHz,DMSO-d6)δ9.25-9.17(m,1H),8.07-8.00(m,3H),8.00-7.94(m,2H),7.79(d,J=8.2Hz,1H),7.68(d,J=7.8Hz,2H),7.51(dd,J=13.7,8.0Hz,3H),7.33(d,J=9.1Hz,1H),5.45(d,J=17.3Hz,1H),5.31(d,J=17.3Hz,1H),4.67(d,J=9.7Hz,1H),3.86(s,3H),3.62(t,J=9.3Hz,1H)。
实施例3:制备(R)-4-甲氧基-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]硫氮杂-3-基)苯甲酰胺(9),其结构式如下所示:
制备方法同实施例1中化合物7的制备,用对甲氧基苯甲酸代替苯甲酸,得白色固体,收率50%。1H NMR(400MHz,DMSO-d6)δ8.78(d,J=7.6Hz,1H),7.98-7.91(m,1H),7.85-7.70(m,3H),7.60(d,J=8.1Hz,2H),7.47-7.35(m,3H),7.22(dt,J=9.1,4.7Hz,1H),6.97-6.86(m,2H),5.39(d,J=17.3Hz,1H),5.23(d,J=17.2Hz,1H),4.68-4.55(m,1H),3.71(s,3H),3.58-3.47(m,1H),3.30(d,J=11.4Hz,1H)。
实施例4:制备(R)-4-氟-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]硫氮杂-3-基)苯甲酰胺(10),其结构式如下所示:
制备方法同实施例1中化合物7的制备,用对氟苯甲酸代替苯甲酸,得白色固体,收率43%。ESI-MS m/z:452.1[M+H]+,1H NMR(400MHz,DMSO-d6)δppm 9.06(d,J=7.6Hz,1H),8.04(d,J=8.0Hz,1H),7.94(dd,J=8.4,5.6Hz,2H),7.78(d,J=7.6Hz,1H),7.70(t,J=7.6Hz,2H),7.54-7.47(m,3H),7.34-7.30(m,3H),5.45(d,J=17.2Hz,1H),5.31(d,J=17.2Hz,1H),4.70-4.63(m,1H),3.61(dd,J=11.6,7.2Hz,1H),3.13(t,J=11.6Hz,1H)。
实施例5:制备(R)-2-乙氧基-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]硫氮杂-3-基)苯甲酰胺(11),其结构式如下所示:
制备方法同实施例1中化合物7的制备,用2-乙氧基苯甲酸代替苯甲酸,得白色固体,收率35%。1H NMR(400MHz,DMSO-d6)δ8.96(d,J=7.0Hz,1H),8.00(d,J=8.1Hz,1H),7.85(d,J=7.8Hz,1H),7.80(d,J=7.9Hz,1H),7.67(q,J=8.4,7.7Hz,2H),7.47(dd,J=18.4,8.6Hz,5H),7.31(d,J=7.4Hz,1H),7.12(d,J=8.3Hz,1H),7.05-6.95(m,1H),5.50(d,J=17.2Hz,1H),5.40(d,J=17.2Hz,1H),4.82-4.71(m,1H),4.16(p,J=6.9Hz,2H),3.74(dd,J=11.6,6.8Hz,1H),3.15(t,J=11.6Hz,1H),1.46(t,J=7.0Hz,3H)。
实施例6:制备(R)-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]硫氮杂-3-基)-2-丙氧苯甲酰胺(12),其结构式如下所示:
制备方法同实施例1中化合物7的制备,用2-丙氧基苯甲酸代替苯甲酸,得白色固体,收率54%。ESI-MS m/z:492.2[M+H]+,1H NMR(400MHz,DMSO-d6)δppm 8.88(d,J=7.2Hz,1H),8.00(d,J=8.1Hz,1H),7.82(d,J=7.8Hz,1H),7.76(d,J=7.9Hz,1H),7.65(dt,J=19.6,9.8Hz,2H),7.53-7.41(m,4H),7.30(dt,J=8.7,4.2Hz,1H),7.12(d,J=8.4Hz,1H),7.00(t,J=7.6Hz,1H),5.50-5.34(m,2H),4.75(dt,J=13.1,7.0Hz,1H),4.06(t,J=6.6Hz,2H),3.72(dd,J=11.2,6.7Hz,1H),3.10(t,J=11.6Hz,1H),1.80-1.90(m,2H),0.97(t,J=7.3Hz,3H)。
实施例7:制备(R)-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]硫氮杂-3-基)肉桂酰胺(13),其结构式如下所示:
制备方法同实施例1中化合物7的制备,用肉桂酸代替苯甲酸,得白色固体,收率48%。ESI-MS m/z:460.2[M+H]+,1H NMR(400MHz,DMSO-d6)δppm 8.77(d,J=8.0Hz,1H),8.03(d,J=8.4Hz,1H),7.74(d,J=8.0Hz,1H),7.69(t,J=6.8Hz,2H),7.56-7.47(m,5H),7.41-7.38(m,4H),7.32(t,J=7.2Hz,1H),6.72(d,J=16Hz,1H),5.42(d,J=17.2Hz,1H),5.36(d,J=17.2Hz,1H),4.66-4.59(m,1H),3.59(dd,J=11.2,6.8Hz,1H),3.13(t,J=11.2Hz,1H)。
实施例8:制备(R)-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]硫氮杂-3-基)-2-苯乙酰胺(14),其结构式如下所示:
制备方法同实施例1中化合物7的制备,用苯乙酸代替苯甲酸,得白色固体,收率59%。ESI-MS m/z:448.2[M+H]+,1H NMR(400MHz,DMSO-d6)δppm 8.81(d,J=7.6Hz,1H),8.02(d,J=8.4Hz,1H),7.70(d,J=7.6Hz,1H),7.66-7.60(m,2H),7.53-7.42(m,3H),7.30-7.19(m,6H),5.36(s,2H),4.50-4.44(m,1H),3.52(dd,J=11.6,6.8Hz,1H),3.44(s,2H),3.10(t,J=11.6Hz,1H)。
实施例9:制备(R)-2-甲氧基-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]硫氮杂-3-基)苯甲酰胺(15),其结构式如下所示:
制备方法同实施例1中化合物7的制备,用2-甲氧基苯甲酸代替苯甲酸,得白色固体,收率71%。ESI-MS m/z:464.2[M+H]+,1H NMR(400MHz,DMSO-d6)δppm 8.82(d,J=7.2Hz,1H),8.00(d,J=8.2Hz,1H),7.80(t,J=8.9Hz,2H),7.67(d,J=7.9Hz,2H),7.58-7.40(m,4H),7.36-7.24(m,1H),7.14(d,J=8.4Hz,1H),7.01(t,J=7.7Hz,1H),5.48(d,J=17.2Hz,1H),5.38(d,J=17.1Hz,1H),4.71(dt,J=13.5,7.1Hz,1H),3.73-3.61(m,1H),3.24(t,J=11.6Hz,1H)。
实施例10:制备(R)-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]硫氮杂-3-基)-3-苯丙酰胺(16),其结构式如下所示:
制备方法同实施例1中化合物7的制备,用苯丙酸代替苯甲酸,得淡黄色固体,收率86%。ESI-MS m/z:462.2[M+H]+,1H NMR(400MHz,DMSO-d6)δppm8.52(d,J=7.8Hz,1H),8.00(d,J=8.1Hz,1H),7.70(d,J=7.9Hz,1H),7.63(d,J=7.4Hz,2H),7.52-7.40(m,3H),7.27(t,J=7.6Hz,1H),7.20(t,J=7.5Hz,2H),7.14(d,J=7.7Hz,3H),5.39(d,J=17.2Hz,1H),5.31(d,J=17.1Hz,1H),4.53-4.43(m,1H),3.45(dd,J=11.3,6.9Hz,1H),3.02(t,J=11.8Hz,1H),2.73(t,J=7.9Hz,2H),2.39(t,J=7.8Hz,2H)。
实施例11:制备(R)-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]硫氮杂-3-基)-丙烯酰胺(17),其结构式如下所示:
向反应瓶中加入6(150mg,0.45mmol),DIPEA(238μL,1.36mmol),DCM(20mL),冰浴下加入丙烯酰氯(275μL,2.27mmol),室温搅拌48h。二氯甲烷稀释,饱和食盐水洗涤两次,无水硫酸钠干燥,减压浓缩得粗品。粗品经硅胶柱层析(PE:EA=60:40)得类白色固体130mg,收率74%。ESI-MS m/z:384.1[M+H]+,1H NMR(400MHz,DMSO-d6)δppm 8.75(d,J=7.7Hz,1H),7.99(d,J=8.2Hz,1H),7.71(d,J=8.0Hz,1H),7.64(d,J=7.1Hz,2H),7.54-7.38(m,3H),7.29(d,J=7.7Hz,1H),6.27(dd,J=17.1,10.3Hz,1H),6.06(d,J=17.1Hz,1H),5.60(d,J=10.2Hz,1H),5.34(t,J=12.9Hz,2H),4.62-4.47(m,1H),3.54(dd,J=11.3,7.2Hz,1H),3.08(t,J=11.8Hz,1H)。
实施例12:制备(R,E)-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]硫氮杂-3-基)丁-2-烯胺(18),其结构式如下所示:
制备方法同实施例1中化合物7的制备,用2-丁烯酸代替苯甲酸,得白色固体,收率40%。ESI-MS m/z:398.1[M+H]+,1H NMR(400MHz,DMSO-d6)δppm8.52(d,J=7.8Hz,1H),8.00(d,J=8.2Hz,1H),7.72(d,J=7.9Hz,1H),7.64(t,J=7.2Hz,2H),7.40-7.50(m,3H),7.32-7.23(m,1H),6.55-6.65(m,1H),5.95(dd,J=15.3,2.3Hz,1H),5.40(d,J=17.3Hz,1H),5.30(d,J=17.1Hz,1H),4.50-4.60(m,1H),3.51(dd,J=11.3,6.9Hz,1H),3.08(t,J=11.7Hz,1H),1.77-1.71(m,3H)。
实施例13:制备(R)-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]硫氮杂-3-基)-乙酰胺(19),其结构式如下所示:
制备方法同实施例1中化合物7的制备,用乙酸代替苯甲酸,得类白色固体,收率89%。ESI-MS m/z:372.1[M+H]+,1H NMR(400MHz,DMSO-d6)δppm 8.50(d,J=7.7Hz,1H),8.00(d,J=8.1Hz,1H),7.74-7.58(m,3H),7.52-7.38(m,3H),7.26(t,J=7.5Hz,1H),5.39(d,J=17.2Hz,1H),5.28(d,J=17.1Hz,1H),4.50-4.41(m,1H),3.48(dd,J=11.3,6.9Hz,1H),3.03(t,J=11.7Hz,1H),1.79(s,3H)。
实施例14:制备(R)-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]硫氮杂-3-基)-丙酰胺(20),其结构式如下所示:
制备方法同实施例1中化合物7的制备,用丙酸代替苯甲酸,得类白色固体,收率89%。ESI-MS m/z:386.1[M+H]+,1H NMR(400MHz,DMSO-d6)δppm8.46-8.35(m,1H),7.99(d,J=8.0Hz,1H),7.74-7.58(m,3H),7.54-7.38(m,3H),7.27(s,1H),5.42-5.26(m,2H),4.51-4.42(m,1H),3.47(dd,J=10.8,5.4Hz,1H),3.05(t,J=12.1Hz,1H),2.14-2.00(m,2H),0.96-0.87(m,3H)。
实施例15:制备(R)-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]硫氮杂-3-基)-4-(三氟甲基)苯磺酰胺(21),其结构式如下所示:
向反应瓶中加入6(150mg,0.45mmol),4-三氟甲基苯磺酰氯(70mg,0.5mmol),吡啶(15mL),室温搅拌9h。反应完毕后加入乙酸乙酯,加压浓缩除去吡啶。残余物加入乙酸乙酯稀释,依次用水洗,饱和食盐水洗涤,无水硫酸钠干燥。减压浓缩得粗品,粗品经硅胶柱层析(PE:EA=65:35)得白色固体120mg,收率49%。ESI-MS m/z:538.1[M+H]+,1H NMR(400MHz,DMSO-d6)δppm 8.95(d,J=9.2Hz,1H),8.06(d,J=8.4Hz,2H),7.94(d,J=8.0Hz,1H),7.83(d,J=8.4Hz,2H),7.65(t,J=6.8Hz,2H),7.56(t,J=6.8Hz,2H),7.49-7.43(m,2H),7.32(t,J=7.6Hz,1H),5.06(d,J=17.2Hz,1H),4.94(d,J=17.2Hz,1H),4.03-3.98(m,1H),3.52(dd,J=11.6,7.2Hz,1H),3.06(t,J=11.6Hz,1H)。
实施例16:制备(R)-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]硫氮杂-3-基)-甲基磺酰胺(22),其结构式如下所示:
制备方法上述化合物21,用甲磺酰氯代替4-三氟甲基苯磺酰氯,得白色固体,收率49%。ESI-MS m/z:408.1[M+H]+,1H NMR(400MHz,DMSO-d6)δppm7.98(dd,J=19.1,8.6Hz,2H),7.65(d,J=8.7Hz,3H),7.48(d,J=10.8Hz,3H),7.30(d,J=7.4Hz,1H),5.45-5.27(m,2H),4.06(dd,J=15.7,7.4Hz,1H),3.59(t,J=9.2Hz,1H),3.03(t,J=11.8Hz,1H),2.81(s,3H)。
实施例17:制备(R)-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]硫氮杂-3-基)-噻吩-2-磺酰胺(23),其结构式如下所示:
制备方法同上述化合物21,用2-噻吩磺酰氯代替4-三氟甲基苯磺酰氯,得白色固体,收率46%。ESI-MS m/z:476.1[M+H]+,1H NMR(400MHz,DMSO-d6)δppm 8.82(d,J=7.6Hz,1H),8.00-7.95(m,2H),7.65(d,J=7.6Hz,1H),7.60(d,J=7.6Hz,1H),7.56-7.54(m,2H),7.51-7.45(m,2H),7.40(d,J=3.6Hz,1H),7.32(t,J=7.2Hz,1H),7.23(t,J=3.6Hz,1H),5.14(s,2H),3.98-3.92(m,1H),3.44(dd,J=11.2,7.2Hz,1H),3.13(t,J=11.6Hz,1H)。
实施例18:制备(R)-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]硫氮杂-3-基)-1-苯甲基磺酰胺(24),其结构式如下所示:
制备方法同上述化合物21,用苄基磺酰氯代替4-三氟甲基苯磺酰氯,得白色固体,收率46%。ESI-MS m/z:484.1[M+H]+,1H NMR(400MHz,DMSO-d6)δppm 8.00(d,J=8.1Hz,1H),7.93(d,J=8.8Hz,1H),7.71-7.60(m,2H),7.56(d,J=7.7Hz,1H),7.51-7.40(m,2H),7.32(d,J=8.0Hz,1H),7.26(dd,J=10.1,6.7Hz,6H),5.35(d,J=17.2Hz,1H),5.25(d,J=17.2Hz,1H),4.24(q,J=13.6Hz,2H),3.65-3.57(m,1H),3.36(d,J=6.9Hz,1H),2.97(t,J=11.6Hz,1H)。
实施例19:制备(R)-4-氯-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]硫氮杂-3-基)苯磺酰胺(25),其结构式如下所示:
制备方法同上述化合物21,用对氯苯磺酰氯代替4-三氟甲基苯磺酰氯,得白色固体,收率31%。ESI-MS m/z:504.1[M+H]+,1H NMR(400MHz,DMSO-d6)δppm 8.72(d,J=8.1Hz,1H),7.94(d,J=8.2Hz,1H),7.71(d,J=8.6Hz,2H),7.66-7.49(m,6H),7.47-7.41(m,2H),7.30(t,J=7.5Hz,1H),5.08(d,J=17.1Hz,1H),4.98(d,J=17.1Hz,1H),3.93(q,J=9.1,8.6Hz,1H),3.46(dd,J=11.4,6.9Hz,1H),3.02(t,J=11.7Hz,1H)。
实施例20:制备(R)-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]硫氮杂-3-基)-[1,1'-联苯]-4-磺酰胺(26),其结构式如下所示:
制备方法同上述化合物21,用对联苯磺酰氯代替4-三氟甲基苯磺酰氯,得白色固体,收率32%。ESI-MS m/z:546.1[M+H]+,1H NMR(400MHz,DMSO-d6)δppm 8.62(d,J=9.1Hz,1H),7.91(dd,J=13.6,8.2Hz,3H),7.83-7.76(m,2H),7.70-7.58(m,4H),7.57-7.48(m,5H),7.47-7.35(m,2H),7.34-7.25(m,1H),5.08(d,J=17.1Hz,1H),5.00(d,J=17.0Hz,1H),3.98(q,J=9.8Hz,1H),3.46(dd,J=11.4,6.9Hz,1H),3.06(t,J=11.7Hz,1H)。
实施例21:制备(S)-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]氧氮杂-3-基)-苯甲酰胺(33),其结构式如下所示:
第一步:制备N-Boc-L-丝氨酸(27)
向反应瓶中加入L-丝氨酸(5.3g,50mmol),TEA(6.9mL,50mmol),二氧六环(30mL)和水(50mL),冰浴下加入(Boc)2O(13.1g,60mmol),继续室温搅拌过夜。减压浓缩除去二氧六环,水层用乙酸乙酯萃取除去未反应的Boc酸酐。水层用1mol/L的盐酸调pH至1-2,乙酸乙酯萃取两次,合并有机相并用饱和食盐水洗涤,无水硫酸钠干燥,减压浓缩得无色糖浆状物9.5g,收率92%。直接用于下步反应;
第二步:制备(S)-2-((叔丁氧羰基)氨基)-3-(2-硝基苯氧基)丙酸(28)
向反应瓶中加入NaH(0.8g,2mmol),DMF(15mL),冰浴下依次滴加27(2.0g,1mmol)的DMF溶液(10mL),邻氟硝基苯(1.4g,1mmol),滴加完毕后室温搅拌过夜。饱和氯化铵溶液淬灭反应,乙酸乙酯萃取两次,合并有机相并用饱和食盐水洗涤,无水硫酸钠干燥,减压浓缩得粗品。粗品经硅胶柱层析(PE:EA=50:50)得淡褐色油状固体2.3g,收率70%。直接用于下步反应;
第三步:制备(S)-3-(2-氨基苯氧基)-2-((叔丁氧羰基)氨基)丙酸(29)
向反应瓶中加入28(9.5g,29mmol),Pd/C(1.3g,10%),MeOH(200mL),氢气常压反应5h。活性炭吸附过滤,滤液减压浓缩得玫红色固体8.4g,收率98%。直接用于下步反应;
第四步:制备(S)-叔丁基-(4-氧-2,3,4,5-四氢-苯并[b][1,4]氧氮杂-3-基)氨基甲酸酯(30)
向反应瓶中加入29(8.6g,29mmol),HATU(10.9g,29mmol),DIPEA(5.6mL,32mmol),DCM(200mL),室温搅拌过夜。二氯甲烷稀释,依次用水洗、饱和食盐水洗,无水硫酸钠干燥。减压浓缩得粗品,经正己烷:乙酸乙酯(5:1)超声洗涤得褐色固体6.7g,收率83%。直接用于下步反应;
第五步:制备(S)-叔丁基-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]氧氮杂-3-基)-氨基甲酸酯(31)
向反应瓶中加入30(2.6g,9mmol),2-硝基溴苄(2.4g,11mmol),K2CO3(2.6g,18mmol),CH3CN(100mL),回流过夜。乙酸乙酯稀释,依次用水洗、饱和食盐水洗,无水硫酸钠干燥。减压浓缩得粗品,经硅胶柱层析(PE:EA=80:20)得淡黄色固体2.2g,收率57%;
第六步;制备(S)-3-氨基-5-(2-硝基苄基)-2,3-二氢-苯并[b][1,4]氧氮杂-4(5H)-酮(32)
向反应瓶中加入31(2.2g,5mmol),TFA(4mL),DCM(15mL),室温搅拌2h。减压浓缩除去溶剂,剩余物经正己烷萃取洗去脂溶性杂质。水层用饱和碳酸钠水溶液调pH至8,二氯甲烷萃取,有机层用饱和食盐水洗涤,无水硫酸钠干燥,减压浓缩得粗品,经正己烷超声洗涤得淡黄色固体1.3g,收率80%;
第七步:制备(S)-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]氧氮杂-3-基)-苯甲酰胺(33)
向反应瓶中加入32(100mg,0.3mmol),苯甲酸(40mg,0.3mmol),HATU(130mg,0.3mmol),DIPEA(170μL,0.9mmol),DCM(10mL),室温搅拌3h。二氯甲烷稀释,依次用1mol/L的盐酸水溶液,饱和碳酸氢钠,饱和食盐水洗,无水硫酸钠干燥。减压浓缩得粗品,经硅胶柱层析(PE:EA=75:25)得白色固体90mg,收率67%。ESI-MS m/z:418.2[M+H]+,1H NMR(400MHz,DMSO-d6)δppm 8.78(d,J=8.3Hz,1H),8.04(d,J=8.2Hz,1H),7.85(d,J=7.6Hz,2H),7.68(t,J=7.7Hz,1H),7.56-7.45(m,6H),7.27(s,3H),5.53(d,J=17.6Hz,1H),5.32(d,J=17.6Hz,1H),5.06(q,J=9.2Hz,1H),4.71(t,J=10.9Hz,1H),4.50(t,J=8.9Hz,1H)。
实施例22制备甲基-(S)-4-((5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]氧氮杂-3-基)氨基甲酰)苯甲酸酯(34),其结构式如下所示:
制备方法同上述化合物33,对苯二甲酸单甲酯代替苯甲酸,得类白色固体,收率95%。ESI-MS m/z:476.1[M+H]+,1H NMR(400MHz,DMSO-d6)δppm 9.01(d,J=8.0Hz,1H),8.06(d,J=8.0Hz,3H),7.98(d,J=8.2Hz,2H),7.69(t,J=7.5Hz,1H),7.51(t,J=6.8Hz,3H),7.28(s,3H),5.53(d,J=17.6Hz,1H),5.34(d,J=17.5Hz,1H),5.15-4.98(m,1H),4.72(t,J=10.8Hz,1H),4.53(t,J=8.9Hz,1H),3.88(s,3H)。
实施例23:制备(S)-2-乙氧-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]氧氮杂-3-基)苯甲酰胺(35),其结构式如下所示:
制备方法同上述化合物33,对氟苯甲酸代替苯甲酸,得类白色固体,收率55%。ESI-MS m/z:462.2[M+H]+,1H NMR(400MHz,DMSO-d6)δppm 8.93(d,J=6.7Hz,1H),8.06(d,J=8.2Hz,1H),7.89(d,J=7.8Hz,1H),7.66(q,J=9.5,8.6Hz,1H),7.57(d,J=7.9Hz,1H),7.50(d,J=8.4Hz,3H),7.27(dd,J=17.3,6.4Hz,3H),7.14(d,J=8.4Hz,1H),7.03(t,J=7.6Hz,1H),5.62(d,J=17.7Hz,1H),5.38(d,J=17.7Hz,1H),5.19-5.05(m,1H),4.71(t,J=8.8Hz,1H),4.45(t,J=10.6Hz,1H),4.25-4.11(m,2H),1.47(t,J=7.0Hz,3H)。
实施例24:制备(S)-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]氧氮杂-3-基)-2-丙氧基苯甲酰胺(36),其结构式如下所示:
制备方法同上述化合物33,2-丙氧基苯甲酸代替苯甲酸,得淡黄色固体,收率75%。ESI-MS m/z:476.2[M+H]+,1H NMR(400MHz,DMSO-d6)δppm 8.78(d,J=7.1Hz,1H),8.04(d,J=8.2Hz,1H),7.82(d,J=7.5Hz,1H),7.66(t,J=7.8Hz,1H),7.55(d,J=7.9Hz,1H),7.49(d,J=7.5Hz,3H),7.32-7.19(m,3H),7.15(d,J=8.4Hz,1H),7.02(t,J=7.6Hz,1H),5.59(d,J=17.6Hz,1H),5.33(d,J=17.6Hz,1H),5.07(dt,J=12.0,7.4Hz,1H),4.64(t,J=8.8Hz,1H),4.51(t,J=10.5Hz,1H),3.91(s,3H)。
实施例25:制备(S)-2-甲氧基-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]氧氮杂-3-基)苯甲酰胺(37),其结构式如下所示:
制备方法同上述化合物33,2-甲氧基苯甲酸代替苯甲酸,得淡黄色固体,收率95%。ESI-MS m/z:448.2[M+H]+,1H NMR(400MHz,DMSO-d6)δppm 8.84(d,J=6.7Hz,1H),8.03(d,J=8.2Hz,1H),7.86(d,J=7.8Hz,1H),7.63(d,J=7.8Hz,1H),7.53(d,J=7.6Hz,1H),7.46(d,J=7.7Hz,3H),7.24(d,J=20.2Hz,3H),7.12(d,J=8.3Hz,1H),7.01(d,J=7.8Hz,1H),5.57(d,J=17.7Hz,1H),5.35(d,J=17.7Hz,1H),5.11(q,J=8.5Hz,1H),4.68(t,J=8.9Hz,1H),4.39(t,J=10.8Hz,1H),4.05(d,J=7.1Hz,2H),1.87(p,J=7.2Hz,2H),0.97(d,J=7.5Hz,3H)。
实施例26:制备(S)-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]硫氮杂-3-基)-2-丙氧基苯甲酰胺(38),其结构式如下所示:
制备方法同上述化合物12,D-半胱氨酸代替L-半胱氨酸,得类白色固体,收率70%。ESI-MS m/z:492.2[M+H]+,1H NMR(400MHz,DMSO-d6)δppm 8.89(d,J=6.4Hz,1H),8.03(d,J=7.6Hz,1H),7.83(d,J=7.2Hz,1H),7.77(d,J=7.2Hz,1H),7.72-7.67(m,2H),7.52-7.47(m,4H),7.35-7.32(m,1H),7.16(d,J=8.0Hz,1H),7.05-7.01(m,1H),5.47(d,J=17.2Hz,1H),5.40(d,J=17.2Hz,1H),4.78-4.74(m,1H),4.10-4.08(m,2H),3.75-3.71(m,1H),3.10(t,J=12.0Hz,1H),1.87-1.86(m,2H),0.98(t,J=6.4Hz,3H)。
实施例27:制备(S)-2-甲氧基-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]硫氮杂-3-基)苯甲酰胺(39),其结构式如下所示:
制备方法同上述化合物38,2-甲氧基苯甲酸代替2-丙氧基苯甲酸得淡黄色固体,收率75%。ESI-MS m/z:464.2[M+H]+,1H NMR(400MHz,DMSO-d6)δppm 8.83(d,J=7.2Hz,1H),8.02(d,J=8.4Hz,2H),7.83-7.78(m,2H),7.69(d,J=7.6Hz,2H),7.52(m,4H),7.35-7.31(m,1H),7.17(d,J=8.8Hz,1H),7.04(t,J=7.6Hz,1H),5.49(d,J=17.2Hz,1H),5.38(d,J=17.2Hz,1H),4.74-4.68(m,1H),3.92(s,3H),3.68(dd,J=11.2,7.2Hz,1H),3.25(t,J=11.2Hz,1H)。
实施28:制备(S)-N-(5-(2-硝基苄基)-4-氧-2,3,4,5-四氢-苯并[b][1,4]硫氮杂-3-基)-2-苯乙酰胺(40),其结构式如下所示:
制备方法同上述化合物38,苯乙酸代替2-丙氧基苯甲酸得白色固体,收率74%。ESI-MS m/z:448.2[M+H]+,1H NMR(400MHz,DMSO-d6)δppm 8.81(d,J=7.2Hz,1H),8.02(d,J=8.0Hz,1H),7.71-7.60(m,3H),7.53-7.42(m,3H),7.30-7.19(m,6H),5.37(s,2H),4.51-4.44(m,1H),3.52(dd,J=11.2,6.8Hz,1H),3.44(s,3H),3.10(t,J=11.2Hz,1H)。
实施例29:本发明所述的化合物对GSK-3β的体外酶抑制活性测试
采用化学发光法进行测试,荧光信号强度与剩余ATP的量成正比,通过检测体系内剩余ATP的量进而推算出GSK-3β磷酸化底物GS-2时消耗的ATP量,从而反映酶的活性水平。计算不同浓度下化合物的抑制率,通过GraphPad软件拟合出半数抑制浓度(IC50值);
所用的主要试剂:
GSK-3β(Millipore,Lot#:14-306);GS-2(吉尔生化上海有限公司);ATP·2Na(Sigma-Aldrich);Kinase-Glo Luminescent Kinase Assay(Promega corporation);TDZD-8(MedChem Express Technologies,Lot#:HY-11012).
实验方法:
在96孔板上,将4μL含不同浓度化合物的DMSO溶液用14μL缓冲液稀释,依次加入2μL(10-20ng)的GSK-3β,20μL的GS-2(12.5μM)和ATP(4μM)的缓冲液,于30℃下孵育30分钟,孵育完毕后加入40μL Kinase-Glo试剂,于30℃下孵育10分钟,化学发光仪计数,GraphPad软件计算半数抑制浓度(IC50值);
结果显示,本发明的3-取代-1,5-苯并氮杂酮类化合物对GSK 3β具有微摩尔浓度级的抑制作用。表1为部分化合物的结构及活性数据。
表1.部分实施例制备的化合物对GSK 3β酶的抑制活性(IC50)
实施例30:动力学测试确定本发明化合物对GSK-3β的作用模式
测试一定浓度下化合物在一系列不同ATP浓度时的GSK-3β活性,计算出反应速率。通过反应速率的倒数(1/v)对ATP浓度的倒数(1/[ATP])作图得到Lineweaver-Burk。直线的相交点反映出化合物的作用类型。若化合物的直线空白对照组的直线相交于Y轴,则表明化合物与ATP存在竞争关系,如果相交于X轴,则表明化合物与ATP不存在竞争关系;
测试一定浓度下化合物在一系列不同GS-2浓度时的GSK-3β活性,计算出反应速率。通过反应速率的倒数(1/v)对GS-2浓度的倒数(1/[GS-2])作图得到Lineweaver-Burk。直线的相交点反映出化合物的作用类型。若化合物的直线空白对照组的直线相交于Y轴,则表明化合物与GS-2存在竞争关系,如果相交于X轴,则表明化合物与GS-2不存在竞争关系;
测试与ATP作用模式时,保持GS-2浓度为6.25μM,ATP的终浓度为8.0μM,4.0μM,2.0μM,1.0μM,0.5μM。运用上述体外激酶活性测试方法测试不同ATP浓度下酶的活性;计算反应速率并对ATP浓度进行双倒数作图;测试与GS-2作用模式时,保持ATP浓度为2μM不变,GS-2的终浓度为12.5μM,6.25μM,3.13μM,1.56μM,0.78μM;运用上述体外激酶活性测试方法测试不同GS-2浓度下酶的活性。计算反应速率并对GS-2浓度进行双倒数作图;根据双倒数图判断化合物的作用模式。
综上所述,本发明提供的具有通式I结构的化合物对于GSK 3β激酶活性具有明显的抑制作用,能用于制备治疗或预防具有GSK 3β异常病理特征的疾病的药物组合物。
尽管本发明的内容已经通过上述优选实施例作了详细介绍,但应当认识到上述的描述不应被认为是对本发明的限制。在本领域技术人员阅读了上述内容后,对于本发明的多种修改和替代都将是显而易见的。因此,本发明的保护范围应由所附的权利要求来限定。
Claims (9)
1.式Ⅰ结构的3-取代-1,5-苯并氮杂类化合物,
其中,
X选自氧、硫或氮原子;
R1选自C1-5的烷基、C2-5的烯基、五元芳香杂环基、苯基、取代苯基、苯基烷基、苯基烯基;
R2选自丙烯酰基、硝基苄基;
A选自羰基或磺酰基。
2.按权利要求1所述的式Ⅰ结构的3-取代-1,5-苯并氮杂类化合物,其特征在于,所述的取代苯基的取代基选自卤素基、苯基、三氟甲基、C1-5的烷氧基、C1-3的羧酸酯基;所述的五元芳香杂环基选自噻吩基、呋喃基、吡咯基;所述的苯基烷基的烷基为C1-4的烷基;所述的苯基烯基的烯基为C2-4的烯基。
3.按权利要求2所述的式Ⅰ结构的3-取代-1,5-苯并氮杂类化合物,其特征在于,所述的卤素基为氟、氯或溴。
4.根据权利要求1-3所述的式Ⅰ结构的3-取代-1,5-苯并氮杂类化合物在用于制备预防和/或治疗具有GSK 3β异常病理特征的疾病的药物组合物中的用途。
5.如权利要求4所述的用途,其特征在于,所述的药物组合物含有治疗有效量的根据权利要求中任意一项所述的化合物或其互变异构体、外消旋体、对映异构体、非对映异构体、或其混合物形式、或其可药用盐,以及一种或多种药学上可接受的载体、稀释剂或赋形剂。
6.如权利要求4所述的用途,其特征在于,所述具有GSK 3β异常病理特征的疾病为癌症、神经类疾病、炎症或代谢综合症。
7.如权利要求6所述的用途,其特征在于,所述癌症为肝细胞肝癌、胆管癌、鼻咽癌、乳腺癌、宫颈癌、非小细胞肺癌、小细胞肺癌、胃癌、食道癌、结直肠癌、胰腺癌、黑色素瘤、口腔癌、肾癌、膀胱癌、前列腺癌、骨肉瘤、卵巢癌、输卵管癌症、胃肠间质瘤、神经胶质瘤、头颈部癌症、白血病、淋巴瘤、多发性骨髓瘤或骨髓增生异常综合症。
8.如权利要求6所述的用途,其特征在于,所述神经类疾病为阿尔茨海默病、帕金森病、双向情感障碍、强直性肌营养不良、进行性核上麻痹或自闭症谱系障碍。
9.如权利要求6所述的用途,其特征在于,所述代谢综合症为糖尿病。
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