CN117384150A - 噻唑烷酮类免疫蛋白酶体抑制剂及其制法和药物用途 - Google Patents
噻唑烷酮类免疫蛋白酶体抑制剂及其制法和药物用途 Download PDFInfo
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- CN117384150A CN117384150A CN202210782937.3A CN202210782937A CN117384150A CN 117384150 A CN117384150 A CN 117384150A CN 202210782937 A CN202210782937 A CN 202210782937A CN 117384150 A CN117384150 A CN 117384150A
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Abstract
本发明属于药物化学领域,公开了通式(I)所示新的噻唑烷酮类化合物及其立体异构体和生理上可接受的盐,所述化合物的制备方法,含有所述化合物的药物制剂,以及所述化合物在治疗与免疫蛋白酶体相关疾病中的临床应用。
Description
技术领域
本发明属于药物化学领域,涉及通式(I)新的噻唑烷酮类化合物及其立体异构体和它们的生理上可接受的盐。这些化合物在与免疫蛋白酶体相关的疾病的治疗过程中的用途,还涉及其用于治疗的方法,以及含有所述化合物的药物组合物。
背景技术
泛素-蛋白酶体通路是真核细胞中蛋白质降解的主要途径,在蛋白质量控制、抗原提呈、信号转导、细胞周期的控制、细胞分化和凋亡等生理过程中发挥着重要作用。作为泛素-蛋白酶体通路的催化中心,蛋白酶体是治疗肿瘤、炎症、自身免疫性疾病和神经退行性疾病等的潜在靶点。目前已有三个蛋白酶体抑制剂硼替佐米、卡非佐米、艾莎佐米先后作为抗肿瘤药物经美国FDA批准上市;此外,蛋白酶体抑制剂作为自身免疫性疾病治疗药物亦正在临床研究中。
20S核心颗粒是蛋白酶体进行蛋白降解的催化中心。真核细胞的20S核心颗粒为四层环状结构,两个外层由七个α亚基组成,两个内层则由7个β亚基构成,其中只有β1、β2和β5具有催化活性。组成型蛋白酶体(constitutive proteasome,cCP)的催化亚基β1c、β2c和β5c是蛋白水解的主要场所。细胞应激反应会促使免疫系统表达免疫蛋白酶体(immunoproteasome,iCP),其催化亚基分别为β1i、β2i和β5i。现有的蛋白酶体抑制剂大多都同时与cCP及iCP的20S核心颗粒的多个催化亚基发生可逆或不可逆的结合作用,存在嗜中性白血球减少症、血小板减少、胃肠反应、周围神经病变、低血压、肺功能紊乱和心脏毒性等副作用。cCP在大多数细胞中都表达,且参与了许多正常的生理功能,因此,抑制cCP可能造成全身毒性。而iCP在正常细胞中表达水平不高,研究已证实其表达与炎性肠病、类风湿性关节炎等自身免疫性疾病以及多发性骨髓瘤等都密切相关。因此,选择性抑制免疫蛋白酶体是更合理的药物设计策略。
本发明旨在提供一种新的噻唑烷酮类化合物,其具有高的免疫蛋白酶体抑制活性,可用于治疗肿瘤、炎症、自身免疫性疾病、神经退行性疾病等与免疫蛋白酶体相关的疾病。
发明内容
本发明的目的在于提供一种通式(I)所示新的噻唑烷酮类化合物。
本发明的另一目的在于提供一种制备通式(I)所示新的噻唑烷酮类化合物的方法。
本发明的又一目的在于提供通式(I)所示新的噻唑烷酮类化合物在抑制免疫蛋白酶体中的用途,以及治疗与免疫蛋白酶体有关的疾病中的用途。
为了完成本发明的目的,本发明采用的技术方案在于在于提供通式(I)所示的化合物及其立体异构体或其生理上可接受的盐::
其中,
R1选自C1-C6烷基、(CH2)nLR4;其中,n为1,2或3,L选自O,S,N或COO,R4选自C1-C3烷基,当L为N时,R4为单烷基或双烷基取代;
R2选自取代或未取代的苯基、萘基、吡啶基,取代基选自单取代或多取代的卤素、C1-C3烷基、C1-C3烷氧基、C1-C3烷胺基、吗啉基、CF3;
R3选自羧基、硼酸基、硼酸酯基、(CH2)mCOOH、CONH(CHR5)COOH、CONH(CHR5)B(OH)2、NHCO(CH2)mCOOH,其中m为1,2或3,R5选自H、C1-C6烷基、苄基;
X选自O或S。
本发明的又一技术方案在于提供通式(IA)所示的化合物及其立体异构体或其生理上可接受的盐:
其中,
R1选自C1-C6直链烷基、(CH2)nLR4;其中,n为1或2,L选自O,S,N或COO,R4为C1-C3烷基,当L为N时,R4为单烷基或双烷基取代;
R2选自苯基、氟取代的苯基、吡啶基。
本发明的又一技术方案在于提供通式(IB)所示的化合物及其立体异构体或其生理上可接受的盐:
其中,
R1选自C1-C6直链烷基、(CH2)nLR4;其中,n为1或2,L选自O,S,N或COO,R4为C1-C3烷基,当L为N时,R4为单烷基或双烷基取代;
R2选自苯基、氟取代的苯基、吡啶基。
本发明的又一技术方案在于提供通式(IC)所示的化合物及其立体异构体或其生理上可接受的盐:
其中,
R1选自C1-C6直链烷基、(CH2)nLR4;其中,n为1或2,L选自O,S,N或COO,R4为C1-C3烷基,当L为N时,R4为单烷基或双烷基取代;
R2选自苯基、氟取代的苯基、吡啶基;
R5选自H、C1-C6烷基、苄基;
R6选自COOH、B(OH)2。
本发明的又一技术方案在于提供通式(ID)所示的化合物及其立体异构体或其生理上可接受的盐:
其中,
R1选自C1-C6直链烷基、(CH2)nLR4;其中,n为1或2,L选自O,S,N或COO,R4为C1-C3烷基,当L为N时,R4为单烷基或双烷基取代;
R2选自苯基、氟取代的苯基、吡啶基;
m为1,2或3。
本发明的又一技术方案在于提供所示的化合物及其立体异构体或其生理上可接受的盐,其特征在于,所述的化合物选自:
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本发明的又一技术方案在于提供通式(I)所示的化合物制备方法,其特征在于,包括以下步骤:
式II化合物与式III化合物在室温下反应生成式IV化合物,式IV化合物与溴乙酸反应生成式V化合物;式VI化合物与式VII化合物经偶联反应生成式VIII化合物;式IX化合物与式VII化合物经偶联反应生成式X化合物;式V化合物与式XI化合物经缩合反应生成式XII化合物;式V化合物与式VIII化合物经缩合反应,或式V化合物与式VIII化合物经缩合反应、酰胺键形成反应、水解反应,或式V化合物与式X化合物经缩合反应、脱保护反应、酰胺键形成反应、水解反应,或式XII化合物经偶联反应,或式XII化合物经偶联、水解反应生成式I目标化合物;
其中,R1、R2、R3、X及m的定义同权利要求1~6任意一项。
为了制成药剂,可将通式(I)化合物按已知方法与合适的制药载体物质、芳香剂、调味剂和颜料用已知的方法混合,并被制成片剂或包衣的片剂,或者将其与其它的附加物质悬浮或溶解在水或油中。
本发明还涉及一种含有药物有效剂量的如通式(I)所述的化合物和药学上可接受的载体的药物组合物。
药理学研究表明,本发明的通式(I)化合物具有抑制免疫蛋白酶体的活性,可用于治疗与免疫蛋白酶体活性相关的疾病,如炎症,肿瘤,自身免疫性疾病,神经退行性疾病等。
本发明化合物可用口服方法或非肠胃道用药。口服用药可以是片剂、胶囊剂、包衣剂,非经肠用药剂型有注射剂和栓剂等。这些制剂是按照本领域的技术人员所熟知的方法制备的。为制造片剂、胶囊剂、包衣剂所用的辅料是常规用的助剂,例如淀粉,明胶,阿拉伯胶,硅石,聚乙二醇,液体剂型所用的溶剂例如有水,乙醇,丙二醇,植物油类如玉米油,花生油,橄榄油等。含有本发明化合物的制剂中还可有其他助剂,例如表面活性剂,润滑剂,崩解剂,防腐剂,矫味剂,色素等。
有益技术效果:
实现选择性抑制是目前免疫蛋白酶体抑制剂研究面临的主要挑战之一。本发明化合物具有选择性抑制免疫蛋白酶体的特点和优势,并在体内外实验中表现出显著的抗肺纤维化作用,有望为与免疫蛋白酶体相关的肿瘤、炎症、自身免疫性疾病、神经退行性疾病等疾病,尤其是特发性肺纤维化提供新的安全有效的治疗手段。
附图说明:
图1.化合物在40μM时对RAW264.7细胞TNF-α释放的抑制作用。
图2.化合物对肺成纤维细胞胶原收缩的影响。Nint:尼达尼布。
图3.化合物对COL1A1表达含量的影响。Nint:尼达尼布。
图4.NGL-20-30体内抗肺纤维化活性。Nint:尼达尼布。
具体实施方式
以下结合实施例对发明作进一步的说明,但这些实施例并不限制本发明的范围。
化合物的结构是通过核磁共振(NMR)或质谱(MS)或高分辨质谱(HRMS)来确定的。NMR位移(δ)以百万分之一(ppm)的单位给出。m.p.是以℃给出的熔点,温度未加校正。快速柱层析用Isco CombiFlash Rf快速纯化仪完成。NMR测定是用JEOL ECZ-400S和INOVA-500MHz,测定溶剂为DMSO-D6,内标为TMS,化学位移是以ppm作为单位给出。MS的测定用Agilent LC/MSD TOF液质联用仪。
实施例1:NGL-17-11
a)将2-甲氧基乙胺(209μL,2.4mmol)加入至10mL苯基异硫氰酸酯(239μL,2mmol)的乙腈溶液中,室温搅拌,TLC监测反应完全后,旋除溶剂,加入乙酸乙酯溶解所得物,1MHCl洗,旋除乙酸乙酯,干燥备用。
b)将上述产物(376mg,1.79mmol)、乙酸钠(176mg,2.15mmol)、10mL乙醇依次加入50mL圆底烧瓶中,于室温搅拌下加入溴乙酸(299mg,2.15mmol),升温至回流反应24h,旋除溶剂,乙酸乙酯稀释反应液,饱和碳酸氢钠、饱和氯化钠洗,旋除乙酸乙酯,残余物通过快速柱层析纯化。
c)将5-溴-2-呋喃甲醛(350mg,2mmol),对羧基苯硼酸(398mg,2.4mmol),碳酸钾(829mg,6mmol),Pd(PPh3)4(116mg,0.1mmol)加入schelenk管中,氮气置换气体三次,加入3mL甲苯、3mL乙醇、1mL水,90℃反应12h,加10mL水稀释反应液,硅藻土过滤,旋除有机溶剂,加1M HCl至固体析出完全,过滤得到白色固体,干燥备用。
d)将上述b)反应产物(100mg,0.4mmol)、上述c)反应产物(69mg,0.32mmol)、吡咯烷(26μL,0.32mmol)、5mL乙醇加入50mL圆底瓶中,回流反应4h,旋除溶剂,所得残余物通过快速柱层析纯化,所得固体经乙醇-水重结晶,得黄色固体19mg,收率13.2%。m.p.:279-280℃。1H NMR(400MHz,DMSO-d6)δ7.92(d,J=8.5Hz,2H),7.73(d,J=8.5Hz,2H),7.62(s,1H),7.52–7.46(m,2H),7.39(d,J=3.7Hz,1H),7.31–7.26(m,1H),7.18(d,J=3.7Hz,1H),7.13–7.09(m,2H),4.09(t,J=5.8Hz,2H),3.70(t,J=5.8Hz,2H),3.31(s,3H).HR-MS:m/z=449.11557[M+H]+,calcd for C24H21O5N2S:449.11657.
实施例2:NGL-17-15
制备方法与实施例1类似,不同之处在于,用正丙胺替代实施例1中的2-甲氧基乙胺。得红色固体31mg,收率20.8%。m.p.:276-278℃。1H NMR(400MHz,DMSO-d6)δ13.10(s,1H),7.91(d,J=8.5Hz,2H),7.72(d,J=8.5Hz,2H),7.61(s,1H),7.51-7.45(m,2H),7.38(d,J=3.7Hz,1H),7.32–7.25(m,1H),7.17(d,J=3.7Hz,1H),7.13–7.08(m,2H),3.88(t,J=7.2Hz,2H),1.81-1.70(m,2H),0.94(t,J=7.4Hz,3H).HR-MS:m/z=433.12042[M+H]+,calcd for C24 H21 O4 N2 S:433.12165.
实施例3:NGL-17-16
制备方法与实施例1类似,不同之处在于,用1-萘胺替代实施例1中的2-甲氧基乙胺、用丙基异硫氰酸酯替代实施例1中的苯基异硫氰酸酯。得红色固体53mg,收率39.2%。m.p.:266-269℃。1H NMR(400MHz,DMSO-d6)δ13.07(s,1H),8.03–7.95(m,2H),7.88–7.84(m,3H),7.66–7.51(m,6H),7.35(d,J=3.7Hz,1H),7.26(dd,J=7.3,1.1Hz,1H),7.15(d,J=3.7Hz,1H),4.03(t,J=7.2Hz,2H),1.95-1.83(m,2H),1.03(t,J=7.4Hz,3H).HR-MS:m/z=483.13724[M+H]+,calcd for C28H23O4N2S:483.13730.
实施例4:NGL-17-21
制备方法与实施例1类似,不同之处在于,用异丙胺替代实施例1中的2-甲氧基乙胺。得黄色固体42mg,收率28.2%。m.p.:256-258℃。1H NMR(400MHz,DMSO-d6)δ7.90(d,J=8.5Hz,2H),7.69(d,J=8.5Hz,2H),7.55(s,1H),7.52–7.45(m,2H),7.36(d,J=3.7Hz,1H),7.32–7.26(m,1H),7.15(d,J=3.7Hz,1H),7.12–7.08(m,2H),4.97–4.87(m,1H),1.53(d,J=6.9Hz,6H).HR-MS:m/z=433.12076[M+H]+,calcd for C24H21O4N2S:433.12165.
实施例5:NGL-17-22
制备方法与实施例1类似,不同之处在于,用N,N-二甲基乙二胺替代实施例1中的2-甲氧基乙胺。得黄色固体68mg,收率44.9%。m.p.:>300℃。1H NMR(400MHz,DMSO-d6)δ13.14(s,1H),9.76(s,1H),7.93(d,J=8.5Hz,2H),7.74(d,J=8.5Hz,2H),7.65(s,1H),7.55–7.48(m,2H),7.41(d,J=3.7Hz,1H),7.34–7.28(m,1H),7.22(d,J=3.7Hz,1H),7.19–7.15(m,2H),4.26(t,J=5.8Hz,2H),3.53(brs,2H),2.92(s,6H).HR-MS:m/z=462.14734[M+H]+,calcd for C25H24O4N3S:462.14820.
实施例6:NGL-17-23
制备方法与实施例1类似,不同之处在于,用对甲氧基苯胺替代实施例1中的2-甲氧基乙胺、用丙基异硫氰酸酯替代实施例1中的苯基异硫氰酸酯。得黄色固体23mg,收率16.4%。m.p.:246-249℃。1H NMR(400MHz,DMSO-d6)δ7.94(d,J=8.5Hz,2H),7.75(d,J=8.5Hz,2H),7.59(s,1H),7.39(d,J=3.7Hz,1H),7.16(d,J=3.7Hz,1H),7.05(s,4H),3.87(t,J=7.3Hz,2H),3.83(s,3H),1.80-1.70(m,2H),0.94(t,J=7.4Hz,3H).HR-MS:m/z=463.13156[M+H]+,calcd for C25H23O5N2S:463.13222.
实施例7:NGL-17-28
制备方法与实施例1类似,不同之处在于,用2-萘胺替代实施例1中的2-甲氧基乙胺、用丙基异硫氰酸酯替代实施例1中的苯基异硫氰酸酯。得黄色固体18mg,收率11.3%。m.p.:278-280℃。1H NMR(400MHz,DMSO-d6)δ13.02(s,1H),8.06–7.95(m,3H),7.69(overlap,3H),7.61(overlap,3H),7.59–7.50(m,2H),7.35(d,J=3.7Hz,1H),7.30(dd,J=8.6,2.1Hz,1H),7.16(d,J=3.7Hz,1H),3.94(t,J=7.2Hz,2H),1.81–1.71(m,2H),0.98(t,J=7.4Hz,3H).HR-MS:m/z=483.13675[M+H]+,calcd for C28H23O4N2S:483.13730.
实施例8:NGL-17-30
制备方法与实施例1类似,不同之处在于,用甲胺盐酸盐替代实施例1中的2-甲氧基乙胺。得红色固体116mg,收率73.5%。m.p.:>300℃。1H NMR(400MHz,DMSO-d6)δ13.12(s,1H),7.91(d,J=8.5Hz,2H),7.72(d,J=8.5Hz,2H),7.61(s,1H),7.51–7.45(m,2H),7.38(d,J=3.7Hz,1H),7.31–7.25(m,1H),7.17(d,J=3.7Hz,1H),7.13–7.09(m,2H),3.35(s,3H).HR-MS:m/z=405.08963[M+H]+,calcd for C22H17O4N2S:405.09035.
实施例9:NGL-17-33
制备方法与实施例1类似,不同之处在于,用环戊胺替代实施例1中的2-甲氧基乙胺。得黄色固体63mg,收率43.7%。m.p.:>300℃。1H NMR(400MHz,DMSO-d6)δ7.90(d,J=8.3Hz,2H),7.70(d,J=8.3Hz,2H),7.57(s,1H),7.51-7.45(m,2H),7.37(d,J=3.7Hz,1H),7.31-7.26(m,1H),7.15(d,J=3.7Hz,1H),7.12–7.08(m,2H),5.11-5.01(m,1H),2.25(brs,2H),1.91(brs,4H),1.62(brs,2H).HR-MS:m/z=459.13876[M+H]+,calcd for C26H23O4N2S:459.13730.
实施例10:NGL-17-45
制备方法与实施例1类似,不同之处在于,用2-(硫代甲基)乙胺替代实施例1中的2-甲氧基乙胺。得黄色固体76mg,收率54.5%。m.p.:262-263℃。1H NMR(400MHz,DMSO-d6)δ13.14(s,1H),7.91(d,J=8.5Hz,2H),7.72(d,J=8.5Hz,2H),7.62(s,1H),7.51–7.45(m,2H),7.38(d,J=3.7Hz,1H),7.31–7.26(m,1H),7.18(d,J=3.7Hz,1H),7.13–7.08(m,2H),4.11(t,J=6.8Hz,2H),2.90(t,J=6.8Hz,2H),2.16(s,3H).HR-MS:m/z=465.09332[M+H]+,calcd for C24H21O4N2S2:465.09373.
实施例11:NGL-17-46
制备方法与实施例1类似,不同之处在于,用正丙胺替代实施例1中的2-甲氧基乙胺、用2,4-二氯苯基异硫氰酸酯替代实施例1中的苯基异硫氰酸酯。得黄色固体55mg,收率42.2%。m.p.:270-272℃。1H NMR(400MHz,DMSO-d6)δ13.09(s,1H),7.94(d,J=8.5Hz,2H),7.80(d,J=2.4Hz,1H),7.71(d,J=8.5Hz,2H),7.68(s,1H),7.57(dd,J=8.5,2.4Hz,1H),7.40(d,J=3.7Hz,1H),7.27(d,J=8.5Hz,1H),7.22(d,J=3.7Hz,1H),3.90(t,J=7.2Hz,2H),1.84-1.74(m,2H),0.95(t,J=7.4Hz,3H).HR-MS:m/z=501.04309[M+H]+,calcd forC24H19O4N2Cl2S:501.04371.
实施例12:NGL-17-47
制备方法与实施例1类似,不同之处在于,用异丁胺替代实施例1中的2-甲氧基乙胺。得黄色固体71mg,收率49.7%。m.p.:296-298℃。1H NMR(400MHz,DMSO-d6)δ13.12(s,1H),7.91(d,J=8.5Hz,2H),7.72(d,J=8.5Hz,2H),7.61(s,1H),7.51-7.45(m,2H),7.39(d,J=3.7Hz,1H),7.31-7.25(m,1H),7.17(d,J=3.7Hz,1H),7.11–7.06(m,2H),3.75(d,J=7.4Hz,2H),2.31-2.22(m,1H),0.95(d,J=6.7Hz,6H).HR-MS:m/z=447.13657[M+H]+,calcd for C25H23O4N2S:447.13730.
实施例13:NGL-17-48
制备方法与实施例1类似,不同之处在于,用甘氨酸乙酯盐酸盐替代实施例1中的2-甲氧基乙胺。得红色固体21mg,收率14.7%。m.p.:216-219℃。1H NMR(400MHz,DMSO-d6)δ13.15(s,1H),7.93(d,J=8.5Hz,2H),7.74(d,J=8.5Hz,2H),7.70(s,1H),7.52-7.45(m,2H),7.41(d,J=3.7Hz,1H),7.32-7.27(m,1H),7.23(d,J=3.7Hz,1H),7.09–7.05(m,2H),4.69(s,2H),4.21(q,J=7.1Hz,2H),1.24(t,J=7.1Hz,3H).HR-MS:m/z=477.11069[M+H]+,calcd for C25H21O6N2S:477.11148.
实施例14:NGL-17-49
制备方法与实施例1类似,不同之处在于,用4-(4-吗啉基)苯胺替代实施例1中的2-甲氧基乙胺、用丙基异硫氰酸酯替代实施例1中的苯基异硫氰酸酯。得红色固体30mg,收率23.2%。m.p.:>300℃。1H NMR(400MHz,DMSO-d6)δ13.06(s,1H),7.90(d,J=8.5Hz,2H),7.70(d,J=8.5Hz,2H),7.52(s,1H),7.32(d,J=3.7Hz,1H),7.10(d,J=3.7Hz,1H),7.02(d,J=9.0Hz,2H),6.96(d,J=9.0Hz,2H),3.82(t,J=7.3Hz,2H),3.75(t,J=4.8Hz,4H),3.13(t,J=4.8Hz,4H),1.76–1.64(m,2H),0.89(t,J=7.4Hz,3H).HR-MS:m/z=518.17358[M+H]+,calcd for C28H28O5N3S:518.17442.
实施例15:NGL-18-2
制备方法与实施例1类似,不同之处在于,用甘氨酸甲酯盐酸盐替代实施例1中的2-甲氧基乙胺。得黄色固体38mg,收率27.4%。m.p.:264-265℃。1H NMR(400MHz,DMSO-d6)δ13.07(s,1H),7.92(d,J=8.2Hz,2H),7.74(d,J=8.2Hz,2H),7.70(s,1H),7.52-7.45(m,2H),7.40(d,J=3.7Hz,1H),7.32-7.27(m,1H),7.23(d,J=3.7Hz,1H),7.09–7.05(m,2H),4.72(s,2H),3.75(s,3H).HR-MS:m/z=463.09525[M+H]+,calcd for C24H19O6N2S:463.09583.
实施例16:NGL-18-25
制备方法与实施例1类似,不同之处在于,用正丙胺替代实施例1中的2-甲氧基乙胺、用2-(N,N-二甲基)异硫氰酸苯酯替代实施例1中的苯基异硫氰酸酯。得红色固体72mg,收率45.9%。m.p.:183-185℃。1H NMR(400MHz,DMSO-d6)δ13.12(s,1H),7.91(d,J=8.1Hz,2H),7.70(d,J=8.1Hz,2H),7.58(s,1H),7.37(d,J=3.7Hz,1H),7.24–7.17(m,1H),7.14(d,J=3.7Hz,1H),7.08(d,J=8.0Hz,1H),7.05-6.99(m,1H),6.97–6.92(m,1H),3.91(t,J=7.3Hz,2H),2.69(s,6H),1.86-1.72(m,2H),0.95(t,J=7.4Hz,3H).HR-MS:m/z=476.16321[M+H]+,calcd for C26H26O4N3S:476.16385.
实施例17:NGL-18-33
制备方法与实施例1类似,不同之处在于,用正丙胺替代实施例1中的2-甲氧基乙胺、用3-吡啶基异硫氰酸酯替代实施例1中的苯基异硫氰酸酯。得黄色固体65mg,收率40.5%。m.p.:279-281℃。1H NMR(400MHz,DMSO-d6)δ13.12(s,1H),8.50(dd,J=4.6,1.6Hz,1H),8.37(d,J=2.5Hz,1H),7.92(d,J=8.5Hz,2H),7.72(d,J=8.5Hz,2H),7.66(s,1H),7.59–7.55(m,1H),7.54–7.49(m,1H),7.39(d,J=3.7Hz,1H),7.20(d,J=3.7Hz,1H),3.89(t,J=7.3Hz,2H),1.82-1.70(m,2H),0.95(t,J=7.4Hz,3H).HR-MS:m/z=434.11667[M+H]+,calcd for C23H20O4N3S:434.11690.
实施例18:NGL-19-4
制备方法与实施例1类似,不同之处在于,用正丙胺替代实施例1中的2-甲氧基乙胺、用3-甲氧基-4-羧基苯硼酸替代实施例1中的对羧基苯硼酸。得黄色固体102mg,收率55.1%。m.p.:222-223℃。1H NMR(400MHz,DMSO-d6)δ12.69(s,1H),7.67(d,J=7.9Hz,1H),7.63(s,1H),7.45–7.39(m,2H),7.37(d,J=3.7Hz,1H),7.34(dd,J=7.9,1.5Hz,1H),7.28–7.23(m,1H),7.19(d,J=3.7Hz,1H),7.16(d,J=1.5Hz,1H),7.03(dd,J=7.5,1.7Hz,2H),3.93–3.82(m,2H),3.49(s,3H),1.81–1.69(m,2H),0.94(t,J=7.5Hz,3H).HR-MS:m/z=463.13318[M+H]+,calcd for C25H23O5N2S:463.13222.
实施例19:NGL-19-17
制备方法与实施例1类似,不同之处在于,用3-吡啶基异硫氰酸酯替代实施例1中的苯基异硫氰酸酯。得黄色固体42mg,收率29.2%。m.p.:290-292℃。1H NMR(400MHz,DMSO-d6)δ8.50(dd,J=4.6,1.6Hz,1H),8.38(dd,J=2.6,0.8Hz,1H),7.92(d,J=8.5Hz,2H),7.72(d,J=8.5Hz,2H),7.67(s,1H),7.58(ddd,J=8.1,2.6,1.6Hz,1H),7.53(ddd,J=8.1,4.6,0.8Hz,1H),7.40(d,J=3.7Hz,1H),7.21(d,J=3.7Hz,1H),4.10(t,J=5.8Hz,2H),3.71(t,J=5.8Hz,2H),3.31(s,3H).HR-MS:m/z=450.11313[M+H]+,calcd forC23H20O5N3S:450.11182.
实施例20:NGL-19-22
制备方法与实施例1类似,不同之处在于,用2-(硫代甲基)乙胺替代实施例1中的2-甲氧基乙胺、用3-吡啶基异硫氰酸酯替代实施例1中的苯基异硫氰酸酯。得黄色固体93mg,收率66.5%。m.p.:252-254℃。1H NMR(400MHz,DMSO-d6)δ13.13(s,1H),8.50(dd,J=4.5,1.7Hz,1H),8.38(d,J=2.4Hz,1H),7.92(d,J=8.3Hz,2H),7.73(d,J=8.3Hz,2H),7.68(s,1H),7.63–7.56(m,1H),7.55–7.50(m,1H),7.40(d,J=3.7Hz,1H),7.22(d,J=3.7Hz,1H),4.13(t,J=6.8Hz,2H),2.91(t,J=6.8Hz,2H),2.16(s,3H).HR-MS:m/z=466.09061[M+H]+,calcd for C23H20O4N3S2:466.08897.
实施例21:NGL-19-30
制备方法与实施例1类似,不同之处在于,用正丙胺替代实施例1中的2-甲氧基乙胺、用5-溴噻吩-2-甲醛替代实施例1中的5-溴-2-呋喃甲醛、用3-吡啶基异硫氰酸酯替代实施例1中的苯基异硫氰酸酯。得黄色固体63mg,收率41.2%。m.p.:201-203℃。1H NMR(400MHz,DMSO-d6)δ8.46(dd,J=4.4,1.8Hz,1H),8.34(dd,J=2.4,1.0Hz,1H),8.08(d,J=0.6Hz,1H),7.96(d,J=8.6Hz,2H),7.84(s,1H),7.83–7.81(m,2H),7.72(dd,J=4.0,0.6Hz,1H),7.54–7.46(m,2H),3.93–3.83(m,2H),1.80-1.70(m,2H),0.94(t,J=7.4Hz,3H).HR-MS:m/z=450.09366[M+H]+,calcd for C23H20O3N3S2:450.09406.
实施例22:NGL-19-32
制备方法与实施例1类似,不同之处在于,用正丙胺替代实施例1中的2-甲氧基乙胺、用(S)-2-((叔丁氧羰基)氨基)-3-(4-(4,4,5,5-四甲基-1,3,2-二氧硼杂环戊烷-2-基)苯基)丙酸替代实施例1中的对羧基苯硼酸、用3-吡啶基异硫氰酸酯替代实施例1中的苯基异硫氰酸酯。得黄色固体44mg,收率22.4%。m.p.:159-161℃。1H NMR(400MHz,DMSO-d6)δ12.65(s,1H),8.45(d,J=4.6Hz,1H),8.32(s,1H),7.57(s,1H),7.55-7.43(m,4H),7.23(d,J=7.9Hz,2H),7.16–7.05(m,3H),4.11-4.02(m,1H),3.83(t,J=7.3Hz,2H),3.01(dd,J=13.9,4.6Hz,1H),2.87–2.74(m,1H),1.77–1.63(m,2H),1.27(s,9H),0.90(t,J=7.4Hz,3H).HR-MS:m/z=577.21063[M+H]+,calcd for C30H33O6N4S:577.21153.
实施例23:NGL-19-39
制备方法与实施例1类似,不同之处在于,用2-(硫代甲基)乙胺替代实施例1中的2-甲氧基乙胺、用邻甲苯异硫氰酸酯替代实施例1中的苯基异硫氰酸酯。得黄色固体48mg,收率34.6%。m.p.:264-267℃。1H NMR(400MHz,DMSO-d6)δ13.06(s,1H),7.89(d,J=8.7Hz,2H),7.69(d,J=8.7Hz,2H),7.63(s,1H),7.38(d,J=3.7Hz,1H),7.35–7.28(m,2H),7.20(dd,J=7.4,1.4Hz,1H),7.17(d,J=3.7Hz,1H),7.01(dd,J=7.7,1.3Hz,1H),4.14(t,J=6.9Hz,2H),2.94(t,J=6.9Hz,2H),2.16(overlap,6H).HR-MS:m/z=479.10840[M+H]+,calcd for C25H23O4N2S2:479.10938.
实施例24:NGL-19-44
制备方法与实施例1类似,不同之处在于,用2-(硫代甲基)乙胺替代实施例1中的2-甲氧基乙胺、用邻氟苯异硫氰酸酯替代实施例1中的苯基异硫氰酸酯。得黄色固体72mg,收率53.2%。m.p.:266-267℃。1H NMR(400MHz,DMSO-d6)δ7.89(d,J=8.1Hz,2H),7.71–7.65(m,3H),7.41–7.29(m,4H),7.27–7.19(m,2H),4.13(t,J=6.8Hz,2H),2.92(t,J=6.8Hz,2H),2.15(s,3H).HR-MS:m/z=483.08350[M+H]+,calcd for C24H20O4N2FS2:483.08430.
实施例25:NGL-19-45
制备方法与实施例1类似,不同之处在于,用2-(硫代甲基)乙胺替代实施例1中的2-甲氧基乙胺、用2-(三氟甲基)苯基异硫代氰酸酯替代实施例1中的苯基异硫氰酸酯。得黄色固体67mg,收率52.4%。m.p.:266-267℃。1H NMR(400MHz,DMSO-d6)δ13.02(s,1H),7.91(d,J=8.5Hz,2H),7.86–7.77(m,2H),7.73–7.68(m,3H),7.51-7.45(m,1H),7.40(d,J=3.7Hz,1H),7.35(d,J=7.9Hz,1H),7.23(d,J=3.7Hz,1H),4.11(t,J=7.0Hz,2H),2.90(t,J=7.0Hz,2H),2.13(s,3H).HR-MS:m/z=533.08008[M+H]+,calcd for C25H20O4N2F3S2:533.08111.
实施例26:NGL-20-2
a)将NGL-18-33(100mg,0.23mmol)、甘氨酸甲酯盐酸盐(29mg,0.23mmol)、HATU(87mg 0.23mmol)、DIEA(89mg,0.69mmol)和5mL DMF加入50mL圆底烧瓶中,室温搅拌过夜,旋除溶剂,加入乙酸乙酯溶解所得物,1M HCl洗,旋除乙酸乙酯,所得残余物通过快速柱层析纯化,将所得产物、2mL甲醇加入50mL圆底烧瓶中,于搅拌下滴加2mL 1M LiOH水溶液,室温搅拌2h,旋除溶剂,所得残余物通过快速柱层析纯化,得黄色固体25mg,收率22.2%。m.p.:296-299℃。1H NMR(400MHz,DMSO-d6)δ12.64(s,1H),8.93(t,J=5.9Hz,1H),8.50(dd,J=4.6,1.6Hz,1H),8.39–8.36(m,1H),7.88(d,J=8.5Hz,2H),7.71(d,J=8.5Hz,2H),7.66(s,1H),7.58(ddd,J=8.0,2.6,1.6Hz,1H),7.52(dd,J=8.0,4.6Hz,1H),7.38(d,J=3.7Hz,1H),7.21(d,J=3.7Hz,1H),3.94(d,J=5.9Hz,2H),3.89(t,J=7.2Hz,2H),1.82–1.69(m,2H),0.95(t,J=7.4Hz,3H).HR-MS:m/z=491.13898[M+H]+,calcd forC25H23O5N4S:491.13837.
实施例27:NGL-20-3
制备方法与实施例26类似,不同之处在于,用苯丙氨酸甲酯盐酸盐替代实施例26中的甘氨酸甲酯盐酸盐。得黄色固体31mg,收率23.2%。m.p.:196-199℃。1H NMR(400MHz,DMSO-d6)δ8.77(d,J=8.1Hz,1H),8.50(d,J=4.5Hz,1H),8.37(s,1H),7.78(d,J=8.0Hz,2H),7.71–7.62(m,3H),7.61–7.48(m,2H),7.37–7.26(m,5H),7.20(t,J=6.9Hz,2H),4.67–4.54(m,1H),3.88(t,J=7.4Hz,2H),3.21(dd,J=13.7,4.5Hz,1H),3.08(dd,J=13.7,10.5Hz,1H),1.81-1.70(m,2H),0.94(t,J=7.3Hz,3H).HR-MS:m/z=581.18451[M+H]+,calcd for C32H29O5N4S:581.18532.
实施例28:NGL-20-6
制备方法与实施例1类似,不同之处在于,用正丙胺替代实施例1中的2-甲氧基乙胺、用4-(2-羧基乙基)苯硼酸替代实施例1中的对羧基苯硼酸、用3-吡啶基异硫氰酸酯替代实施例1中的苯基异硫氰酸酯。得黄色固体99mg,收率63.0%。m.p.:222-223℃。1H NMR(400MHz,DMSO-d6)δ8.50(dd,J=4.7,1.6Hz,1H),8.36(d,J=2.5Hz,1H),7.63(s,1H),7.60–7.49(m,4H),7.26(d,J=8.1Hz,2H),7.19–7.15(m,2H),3.88(t,J=7.3Hz,2H),2.85(t,J=7.6Hz,2H),2.56(t,J=7.6Hz,2H),1.81-1.70(m,2H),0.94(t,J=7.5Hz,3H).HR-MS:m/z=462.14847[M+H]+,calcd for C25H24O4N3S:462.14820.
实施例29:NGL-20-8
a)将正丙胺(197μL,2.4mmol)加入至10mL 3-吡啶基异硫氰酸酯(223μL,2mmol)的乙腈溶液中,室温搅拌,TLC监测反应完全后,旋除溶剂,加入乙酸乙酯溶解所得物,1M HCl洗,旋除乙酸乙酯,干燥备用。
b)将上述产物(305mg,1.56mmol)、乙酸钠(154mg,1.87mmol)、10mL乙醇依次加入50mL圆底烧瓶中,于室温搅拌下加入溴乙酸(260mg,1.87mmol),升温至回流反应24h,旋除溶剂,乙酸乙酯稀释反应液,饱和碳酸氢钠、饱和氯化钠洗,旋除乙酸乙酯,所得残余物通过快速柱层析纯化。
c)将5-溴-2-呋喃甲醛(350mg,2mmol),4-(N-Boc-氨基)苯硼酸(569mg,2.4mmol),碳酸钾(829mg,6mmol),Pd(PPh3)4(116mg,0.1mmol)加入schelenk管中,氮气置换气体三次,加入3mL甲苯、3mL乙醇、1mL水,90℃反应12h,加10mL水稀释反应液,硅藻土过滤,旋除有机溶剂,所得残余物通过快速柱层析纯化。
d)将上述b)反应产物(570mg,2.43mmol)、上述c)反应产物(556mg,1.94mmol)、吡咯烷(159μL,1.94mmol)、10mL乙醇加入50mL圆底瓶中,回流反应4h,旋除溶剂,所得残余物通过快速柱层析纯化。
e)将上述d)反应产物、12mL无水二氯甲烷加入100mL圆底烧瓶中,于搅拌下室温滴加三氟乙酸3mL,室温反应2h,TLC检测反应完全,旋除溶剂,所得残余物通过快速柱层析纯化。
f)将上述e)反应产物(100mg,0.25mmol)、丁二酸单甲酯(33mg,0.25mmol)、HATU(95mg 0.25mmol)、DIEA(97mg,0.75mmol)和5mL DMF加入50mL圆底烧瓶中,室温搅拌过夜,旋除溶剂,加入乙酸乙酯溶解所得物,1M HCl洗,旋除乙酸乙酯,所得残余物通过快速柱层析纯化,将所得产物、2mL甲醇加入50mL圆底烧瓶中,于搅拌下滴加2mL 1M LiOH水溶液,室温搅拌2h,旋除溶剂,所得残余物通过快速柱层析纯化,得黄色固体20mg,收率15.8%。m.p.:219-220℃。1H NMR(400MHz,DMSO-d6)δ12.07(s,1H),10.17(s,1H),8.48(dd,J=4.7,1.6Hz,1H),8.37(d,J=2.5Hz,1H),7.63(overlap,3H),7.58–7.47(m,4H),7.15(d,J=3.7Hz,1H),7.11(d,J=3.7Hz,1H),3.88(t,J=7.3Hz,2H),2.62–2.53(m,4H),1.81-1.71(m,2H),0.94(t,J=7.4Hz,3H).HR-MS:m/z=505.15494[M+H]+,calcd for C26H25O5N4S:505.15402.
实施例30:NGL-20-10
制备方法a)-e)与实施例29类似,不同之处在于f):
f)将上述e)反应产物(100mg,0.25mmol)、DIEA(97mg,0.75mmol)和5mL DMF加入50mL圆底烧瓶中,于冰浴下滴加丙二酸甲酯酰氯(54μL,0.25mmol),滴毕移至室温反应2h。旋除溶剂,所得残余物通过快速柱层析纯化,将所得产物、2mL甲醇加入50mL圆底烧瓶中,于搅拌下滴加2mL 1M LiOH水溶液,室温搅拌2h,旋除溶剂,所得残余物通过快速柱层析纯化,得黄色固体40mg,收率32.6%。m.p.:171-173℃。1H NMR(400MHz,DMSO-d6)δ10.34(s,1H),8.48(dd,J=4.7,1.6Hz,1H),8.38(d,J=2.6Hz,1H),7.67–7.48(m,7H),7.21–7.05(m,2H),3.88(t,J=7.3Hz,2H),3.38(s,2H),1.82-1.70(m,2H),0.94(t,J=7.4Hz,3H).HR-MS:m/z=491.13898[M+H]+,calcd for C25H23O5N4S:491.13837.
实施例31:NGL-20-11
制备方法与实施例26类似,不同之处在于,用亮氨酸甲酯盐酸盐替代实施例26中的甘氨酸甲酯盐酸盐。得黄色固体50mg,收率39.7%。m.p.:161-163℃。1H NMR(400MHz,DMSO-d6)δ12.60(s,1H),8.69(d,J=7.9Hz,1H),8.49(dd,J=4.6,1.6Hz,1H),8.37(d,J=2.6Hz,1H),7.89(d,J=8.5Hz,2H),7.70(d,J=8.5Hz,2H),7.66(s,1H),7.57(ddd,J=8.0,2.6,1.6Hz,1H),7.51(dd,J=8.0,4.6Hz,1H),7.37(d,J=3.7Hz,1H),7.20(d,J=3.7Hz,1H),4.49–4.41(m,1H),3.88(t,J=7.2Hz,2H),1.85–1.66(m,4H),1.65–1.57(m,1H),0.99–0.86(m,9H).HR-MS:m/z=547.20166[M+H]+,calcd for C29H31O5N4S:547.20097.
实施例32:NGL-20-13
制备方法与实施例26类似,不同之处在于,用脯氨酸甲酯盐酸盐替代实施例26中的甘氨酸甲酯盐酸盐。得黄色固体81mg,收率66.3%。m.p.:199-201℃。1H NMR(400MHz,DMSO-d6)δ12.57(s,1H),8.52–8.45(m,1H),8.36(d,J=2.6Hz,1H),7.72–7.60(m,3H),7.59–7.48(m,3H),7.42–7.30(m,2H),7.20(d,J=3.6Hz,1H),4.45–4.33(m,1H),3.89(t,J=7.2Hz,2H),3.63–3.46(m,2H),2.34-2.23(m,1H),2.00-1.82(m,3H),1.81-1.70(m,2H),0.95(t,J=7.4Hz,3H).HR-MS:m/z=531.16949[M+H]+,calcd for C28H27O5N4S:531.16967.
实施例33:NGL-20-14
制备方法与实施例26类似,不同之处在于,用(R)-1-氨基-3-甲基丁基硼酸蒎烷二醇酯三氟乙酸盐替代实施例26中的甘氨酸甲酯盐酸盐。得黄色固体240mg,收率70.5%。m.p.:125-127℃。1H NMR(400MHz,DMSO-d6)δ9.83(s,1H),8.47(d,J=4.4Hz,1H),8.38(d,J=2.5Hz,1H),7.94(d,J=8.2Hz,2H),7.75(d,J=8.2Hz,2H),7.67(s,1H),7.60-7.55(m,1H),7.51(dd,J=8.0,4.4Hz,1H),7.42(d,J=3.7Hz,1H),7.21(d,J=3.7Hz,1H),4.13(d,J=8.3Hz,1H),3.89(t,J=7.2Hz,2H),2.70(t,J=7.8Hz,1H),2.25(t,J=11.4Hz,1H),2.11-2.02(m,1H),1.91-1.80(m,3H),1.80–1.71(m,2H),1.68(d,J=14.0Hz,1H),1.47(d,J=9.9Hz,1H),1.40(t,J=7.2Hz,2H),1.33(s,3H),1.25(s,3H),0.94(overlap,9H),0.86(s,3H).HR-MS:m/z=681.32556[M+H]+,calcd for C38H46O5N4BS:681.32765.
实施例34:NGL-20-17
a)将正丙胺(197μL,2.4mmol)加入至10mL 3-吡啶基异硫氰酸酯(223μL,2mmol)的乙腈溶液中,室温搅拌,TLC监测反应完全后,旋除溶剂,加入乙酸乙酯溶解所得物,1M HCl洗,旋除乙酸乙酯,干燥备用。
b)将上述产物(305mg,1.56mmol)、乙酸钠(154mg,1.87mmol)、10mL乙醇依次加入50mL圆底烧瓶中,于室温搅拌下加入溴乙酸(260mg,1.87mmol),升温至回流反应24h,旋除溶剂,乙酸乙酯稀释反应液,饱和碳酸氢钠、饱和氯化钠洗,旋除乙酸乙酯,所得残余物通过快速柱层析纯化。
c)将上述b)反应产物(384mg,1.63mmol)、5-(4-溴苯基)-2-呋喃甲醛(410mg,1.63mmol)、吡咯烷(134μL,1.63mmol)、10mL乙醇加入50mL圆底瓶中,回流反应4h,旋除溶剂,所得残余物通过快速柱层析纯化。
d)将上述c)反应产物(558mg,1.2mmol),联硼酸频那醇酯(333mg,1.31mmol),醋酸钾(353mg,3.6mmol),PdCl2(dppf)(26mg,0.036mmol)加入schelenk管中,氮气置换气体三次,加入8mL二氧六环,90℃反应12h,加10mL水稀释反应液,硅藻土过滤,旋除有机溶剂,所得残余物通过快速柱层析纯化。所得固体乙醇/水重结晶,得黄色固体232mg,收率37.5%。m.p.:125-127℃。1H NMR(400MHz,DMSO-d6)δ8.49(dd,J=4.5,1.7Hz,1H),8.37(d,J=2.5Hz,1H),7.68–7.60(m,5H),7.58–7.49(m,2H),7.32(d,J=3.7Hz,1H),7.18(d,J=3.7Hz,1H),3.88(t,J=7.2Hz,2H),1.82-1.70(m,2H),1.32(s,12H),0.94(t,J=7.4Hz,3H).HR-MS:m/z=516.21191[M+H]+,calcd for C28H31O4N3BS:516.21228.
实施例35:NGL-20-18
将NGL-20-14(100mg,0.15mmol)、异丁基硼酸(45mg,0.45mmol)、2mL甲醇加入50mL圆底烧瓶中,于搅拌下加入2mL2N盐酸水溶液,室温搅拌24h,旋除溶剂,旋除有机溶剂,所得残余物通过快速柱层析纯化,所得固体乙醇/水重结晶,得黄色固体40mg,收率48.8%。m.p.:252-254℃。1H NMR(400MHz,DMSO-d6)δ9.39(s,1H),8.42(d,J=4.6Hz,1H),8.34(s,1H),7.92(d,J=8.0Hz,2H),7.69(d,J=8.0Hz,2H),7.63(s,1H),7.53(d,J=7.4Hz,1H),7.49–7.39(m,1H),7.37(d,J=3.7Hz,1H),7.18(d,J=3.7Hz,1H),3.88(s,2H),1.85–1.67(m,4H),1.54–1.37(m,3H),0.93(overlap,10H).HR-MS:m/z=529.20734[M-OH]+,calcdfor C28H30O4N4BS:529.20753.
实施例36:NGL-20-19
a)将正丙胺(197μL,2.4mmol)加入至10mL 3-吡啶基异硫氰酸酯(223μL,2mmol)的乙腈溶液中,室温搅拌,TLC监测反应完全后,旋除溶剂,加入乙酸乙酯溶解所得物,1M HCl洗,旋除乙酸乙酯,干燥备用。
b)将上述产物(305mg,1.56mmol)、乙酸钠(154mg,1.87mmol)、10mL乙醇依次加入50mL圆底烧瓶中,于室温搅拌下加入溴乙酸(260mg,1.87mmol),升温至回流反应24h,旋除溶剂,乙酸乙酯稀释反应液,饱和碳酸氢钠、饱和氯化钠洗,旋除乙酸乙酯,所得残余物通过快速柱层析纯化。
c)将上述b)反应产物(384mg,1.63mmol)、5-(4-溴苯基)-2-呋喃甲醛(410mg,1.63mmol)、吡咯烷(134μL,1.63mmol)、10mL乙醇加入50mL圆底瓶中,回流反应4h,旋除溶剂,所得残余物通过快速柱层析纯化。
d)将上述c)反应产物(100mg,0.21mmol),联硼酸频那醇酯(61mg,0.24mmol),醋酸钾(35mg,0.36mmol),PdCl2(dppf)(5mg,0.0063mmol)加入schelenk管中,氮气置换气体三次,加入4mL二氧六环,90℃反应12h,加10mL水稀释反应液,硅藻土过滤,旋除有机溶剂,所得残余物通过快速柱层析纯化。
e)将上述d)反应产物(90mg,0.17mmol)、异丁基硼酸(53mg,0.52mmol)、2mL甲醇加入50mL圆底烧瓶中,于搅拌下加入2mL 2N盐酸水溶液,室温搅拌24h,旋除溶剂,旋除有机溶剂,所得残余物通过快速柱层析纯化,所得固体乙醇/水重结晶,得黄色固体31mg,收率42.1%。m.p.:218-220℃。1H NMR(400MHz,DMSO-d6)δ8.50(dd,J=4.7,1.6Hz,1H),8.37(dd,J=2.6,0.8Hz,1H),8.16(overlap,2H),7.79(d,J=8.4Hz,2H),7.64(s,1H),7.58(overlap,3H),7.51(ddd,J=8.1,4.7,0.8Hz,1H),7.27(d,J=3.7Hz,1H),7.18(d,J=3.7Hz,1H),3.89(t,J=7.2Hz,2H),1.82-1.70(m,2H),0.95(t,J=7.4Hz,3H).HR-MS:m/z=434.13324[M+H]+,calcd for C22H21O4N3BS:434.13403.
实施例37:NGL-20-29
制备方法与实施例36类似,不同之处在于,用2-甲氧基乙胺替代实施例36中的正丙胺。得黄色固体78mg,收率46.9%。m.p.:206-208℃。1H NMR(400MHz,DMSO-d6)δ8.50(dd,J=4.7,1.6Hz,1H),8.37(d,J=2.6Hz,1H),8.17(s,2H),7.79(d,J=7.9Hz,2H),7.65(s,1H),7.58(overlap,3H),7.52(dd,J=8.0,4.7Hz,1H),7.28(d,J=3.7Hz,1H),7.19(d,J=3.7Hz,1H),4.10(t,J=5.8Hz,2H),3.71(t,J=5.8Hz,2H),3.31(overlap,3H).HR-MS:m/z=450.12921[M+H]+,calcd for C22H21O5N3BS:450.12895.
实施例38:NGL-20-30
制备方法与实施例36类似,不同之处在于,用2-(硫代甲基)乙胺替代实施例36中的正丙胺。得黄色固体96mg,收率39.0%。m.p.:225-228℃。1H NMR(400MHz,DMSO-d6)δ8.50(d,J=4.6Hz,1H),8.38(d,J=2.5Hz,1H),8.17(overlap,2H),7.80(d,J=7.8Hz,2H),7.66(s,1H),7.59(overlap,3H),7.52(dd,J=8.1,4.6Hz,1H),7.28(d,J=3.8Hz,1H),7.20(d,J=3.8Hz,1H),4.12(t,J=7.0Hz,2H),2.91(t,J=7.0Hz,2H),2.16(s,3H).HR-MS:m/z=466.10641[M+H]+,calcd for C22H21O4N3BS2:466.10610.
药理实验
实验例1:本发明的化合物对蛋白酶体β5i、β5c亚基的抑制作用
方法:
蛋白酶体分别从白细胞(i20S)或红细胞(c20S)制备而得。将蛋白酶体加入到蛋白酶体底物Ac-ANW-AMC或Ac-WLA-AMC的50mM Hepes pH 7.5、1mM DTT、10mM EDTA、0.035%SDS、0.1%BSA缓冲液中。蛋白酶体的最终反应浓度为10nM,蛋白酶体底物的最终反应浓度为10μM。加入不同浓度的化合物,在室温及激发光345nm和发射光445nm的条件下连续记录30分钟的反应进程,观察化合物对酶的抑制情况。IC50值由Graphpad Prism 8软件处理而得。
结果:
结果如表1所示。
表1.化合物对蛋白酶体β5i、β5c亚基的抑制作用
β5i抑制率:40μM下测定;
ND:未测定。
实验例2:部分化合物对RAW264.7细胞TNF-α释放的抑制作用
方法:
将处于生长期的RAW264.7细胞用胰蛋白酶处理,收获后悬浮于培养基中。以2.5×104个细胞/孔的密度将细胞接种于96孔板中,200μL/孔,在37℃,5%CO2的环境下孵育过夜,弃去原培养液。加入含1μg/mL的LPS(ACMEC,AL8880)无血清培养基180μL/孔。阴性对照组加入等体积的无血清培养基180μL/孔。加入代测化合物20μL/孔,孵育48h,空白组和阴性对照组加入20μL DMSO。取上清100μL,使用Mouse TNF-αELISA Kit(Absin,abs520010)按照试剂盒说明书检测TNF-α。
结果:如图1所示。
实验例3:NGL-20-30抑制TGF-β1诱导的肺成纤维细胞胶原收缩
方法:
将人肺成纤维细胞系MRC-5悬液与3mg/mL I型鼠尾胶原(CORNING,354236)按2:1的比例混合在无血清培养基中。将密度为2×105/mL的细胞悬液接种于24孔板中。使胶原凝胶在37℃下凝固1h,将凝胶边缘从孔壁上剥离,然后加入1mL培养基。孵育48小时后,对凝胶进行拍照,并使用ImageJ软件(US National Institutes of Health)测量凝胶面积。
结果:如图2所示。
实验例4:NGL-20-30抑制COL1A1的表达含量
方法:
使用RIPA裂解缓冲液(Beyotime Technology)从培养的细胞中提取蛋白质。使用BCA蛋白检测试剂盒(Beyotime Technology)测定蛋白浓度。蛋白提取物经10%SDS-PAGE分离,电转到PVDF膜上,进行免疫印迹分析。免疫印迹图像由化学发光成像系统(Tanon,上海,北京)获得。
结果:如图3所示。
实验例5:NGL-20-30体内抗肺纤维化活性
方法:
a.步骤
小鼠隔夜禁食,使用三溴乙醇麻醉小鼠,气管内注射50μL博来霉素(3U/kg)完成造模(记为第1天)。造模完成后将动物随机分组并在第3天给药,每天灌胃给药至第21天。到达时间点后麻醉小鼠,取材称重,其中左侧肺大叶置于4%多聚甲醛中用于形态学检测,右肺用于蛋白及羟脯氨酸含量检测。
b.分组
Sham组为未注射博来霉素的正常对照组、Model组为未给药的模型组、Nint组为一天一次尼达尼布(50mg/kg)治疗组、20-30组为一天一次NGL-20-30(30mg/kg)治疗组。
c.药物配制
取处方量化合物加至30%PEG400+0.5%Tween80+5%丙二醇+水至全量
d.形态学检测
取材后的小鼠左侧肺大叶,经4%多聚甲醛固定、脱水、石蜡包埋后,切成厚度为4μm的肺组织切片。之后进行HE与Masson染色。在200倍镜下观察并进行图像采集。
e.羟脯氨酸含量检测
羟脯氨酸含量通过羟脯氨酸测定试剂盒(南京建成生物工程研究所)进行测定。取肺组织50mg,加入碱性水解液1mL,95℃恒温煮沸20min。将pH调至6.0-6.8,活性炭吸附上清液3-4mL,3500rpm离心10min后,取上清液1mL,按试剂盒说明书进行测定。
f.Western blotting
使用RIPA裂解缓冲液(Beyotime Technology)从肺组织中提取蛋白质。使用BCA蛋白检测试剂盒(Beyotime Technology)测定蛋白浓度。蛋白提取物经10%SDS-PAGE分离,电转到PVDF膜上,进行免疫印迹分析。免疫印迹图像由化学发光成像系统(Tanon)获得。
g.免疫荧光检测
肺组织石蜡切片经脱蜡、水化后,依次使用0.5%Triton X-100处理15分钟、SuperBlocking缓冲液处理30分钟,之后与相应的抗体在4℃下孵育过夜。PBS洗涤3次后,在室温下用二抗(山羊抗兔Alexa 647)染色2小时,用DAPI染色细胞核,之后用盖玻片覆盖切片。免疫荧光图像由共聚焦显微镜(Olympus)采集。结果:如图4所示。
Claims (12)
1.一种由下述通式(I)表示的噻唑烷酮类化合物及其立体异构体或其生理上可接受的盐,
其中,
R1选自C1-C6烷基、(CH2)nLR4;其中,n为1,2或3,L选自O,S,N或COO,R4选自C1-C3烷基,当L为N时,R4为单烷基或双烷基取代;
R2选自取代或未取代的苯基、萘基、吡啶基,取代基选自单取代或多取代的卤素、C1-C3烷基、C1-C3烷氧基、C1-C3烷胺基、吗啉基、CF3;
R3选自羧基、硼酸基、硼酸酯基、(CH2)mCOOH、CONH(CHR5)COOH、CONH(CHR5)B(OH)2、NHCO(CH2)mCOOH,其中m为1,2或3,R5选自H、C1-C6烷基、苄基;
X选自O或S。
2.根据权利要求1所述的化合物,其特征在于,所述的化合物是通式(IA)所示化合物及其立体异构体或其生理上可接受的盐:
其中,
R1选自C1-C6直链烷基、(CH2)nLR4;其中,n为1或2,L选自O,S,N或COO,R4为C1-C3烷基,当L为N时,R4为单烷基或双烷基取代;
R2选自苯基、氟取代的苯基、吡啶基。
3.根据权利要求1所述的化合物,其特征在于,所述的化合物是通式(IB)所示化合物及其立体异构体或其生理上可接受的盐:
其中,
R1选自C1-C6直链烷基、(CH2)nLR4;其中,n为1或2,L选自O,S,N或COO,R4为C1-C3烷基,当L为N时,R4为单烷基或双烷基取代;
R2选自苯基、氟取代的苯基、吡啶基。
4.根据权利要求1所述的化合物,其特征在于,所述的化合物是通式(IC)所示化合物及其立体异构体或其生理上可接受的盐:
其中,
R1选自C1-C6直链烷基、(CH2)nLR4;其中,n为1或2,L选自O,S,N或COO,R4为C1-C3烷基,当L为N时,R4为单烷基或双烷基取代;
R2选自苯基、氟取代的苯基、吡啶基;
R5选自H、C1-C6烷基、苄基;
R6选自COOH、B(OH)2。
5.根据权利要求1所述的化合物,其特征在于,所述的化合物是通式(ID)所示化合物及其立体异构体或其生理上可接受的盐:
其中,
R1选自C1-C6直链烷基、(CH2)nLR4;其中,n为1或2,L选自O,S,N或COO,R4为C1-C3烷基,当L为N时,R4为单烷基或双烷基取代;
R2选自苯基、氟取代的苯基、吡啶基;
m为1,2或3。
6.具有如下结构的化合物及其立体异构体或其生理上可接受的盐,其特征在于,所述化合物选自:
7.权利要求1~6所述化合物的制备方法,其特征在于,包括以下步骤:
式II化合物与式III化合物在室温下反应生成式IV化合物,式IV化合物与溴乙酸反应生成式V化合物;式VI化合物与式VII化合物经偶联反应生成式VIII化合物;式IX化合物与式VII化合物经偶联反应生成式X化合物;式V化合物与式XI化合物经缩合反应生成式XII化合物;式V化合物与式VIII化合物经缩合反应,或式V化合物与式VIII化合物经缩合反应、酰胺键形成反应、水解反应,或式V化合物与式X化合物经缩合反应、脱保护反应、酰胺键形成反应、水解反应,或式XII化合物经偶联反应,或式XII化合物经偶联、水解反应生成式I目标化合物;
其中,R1、R2、R3、X及m的定义同权利要求1~6任意一项。
8.一种药物组合物,其特征在于,药物组合物含有有效剂量的如权利要求1~6任一项所述的化合物或其生理上可接受的盐和在药学上可接受的载体。
9.根据权利要求8所述的药物组合物,其特征在于,所述的药物组合物选自片剂、胶囊、丸剂、注射剂、缓释制剂、控释制剂或各种微粒给药系统。
10.权利要求1~6任一项所述的化合物或其生理上可接受的盐在制备免疫蛋白酶体抑制剂中的用途。
11.权利要求1~6任一项所述的化合物或其生理上可接受的盐用于制备预防或治疗免疫蛋白酶体相关疾病的药物中的应用。
12.根据权利要求11所述的应用,所述的疾病选自肿瘤、炎症、自身免疫性疾病、神经退行性疾病。
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