CN113234011A - 一种含吡啶结构的姜黄素类似物及其制备方法与应用 - Google Patents

一种含吡啶结构的姜黄素类似物及其制备方法与应用 Download PDF

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CN113234011A
CN113234011A CN202110585851.7A CN202110585851A CN113234011A CN 113234011 A CN113234011 A CN 113234011A CN 202110585851 A CN202110585851 A CN 202110585851A CN 113234011 A CN113234011 A CN 113234011A
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赵领
魏郁梦
皮超
冯先虎
侯益
王元园
邹永根
赵文美
李柯
文洁
沈宏萍
郭永灿
张小梅
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Affiliated Hospital of Traditional Chinese Medicine TCM of Southwest Medical University
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Abstract

本发明公开了一种含吡啶结构的姜黄素类似物及其制备方法与应用,所述姜黄素类似物由式Ⅰ表示,或其药学上可接受的盐包括有盐酸盐、硫酸盐,以乙酰丙酮、B2O3、6‑甲氧基‑3‑吡啶甲醛、硼酸三丁酯、正丁胺为原料,设计黄素类似物合成CA1,以6‑甲氧基‑3‑吡啶甲醛和丙酮为原料设计合成了姜黄素类似物CA2~CA5,CA1~CA5对肺癌、肝癌、乳腺癌、结肠癌和宫颈癌的抗肿瘤活性均比先导化合物姜黄素有显著提高,所述的姜黄素类似物应用于制备抗炎以及治疗与炎症相关疾病、阿尔兹海默症、帕金森综合症、抑郁症的药物。

Description

一种含吡啶结构的姜黄素类似物及其制备方法与应用
技术领域
本发明涉及医药技术领域,具体涉及一种含吡啶结构的姜黄素类似物及其制备方法与应用。
背景技术
癌症是导致死亡的主要原因,也是世界各国提高预期寿命的主要障碍之一。根据世界卫生组织(WHO)对2019年的统计:癌症是183个国家中112个国家70岁以前的第一或第二大死亡原因,而在另外23个国家中排名第三或第四。总体而言,癌症发病率和死亡率的负担在世界范围内迅速增长。因此日渐严峻的癌症现状迫切新的化疗药物开发。
天然药物是新药的重要来源,也为新型结构药物的开发提供了思路。姜黄素(Curcumin,CU)作为姜黄的主要活性成分之一,因其显著的抗肿瘤活性而受到广泛关注。然而,与之相关的临床研究尚未取得显著进展,其主要原因是姜黄素稳定性差和生物利用度较低。CU的不稳定性和不规律性代谢主要是由其结构中β-二羰基结构单元的存在引起的。
兼顾“邻位效应”也是药物分子设计中一种提高药物抗肿瘤活性的有效策略。诸如代表性单羰基姜黄素类似物EF24和F35等表现出高选择性高活性,然而进一步研究发现,其在体内仍具有一定毒性。以EF24和F35为先导化合物设计合成的化合物 5B具有较低的IC50和较高的选择性,但缺乏体内抗肿瘤活性的证据。此外,有研究发现以吡啶作为远端环的姜黄素类似物表现出较低的IC50,但低水溶性是一个需要克服的障碍。随着大量优秀的姜黄素类似物被开发出来,其理化性质和抗肿瘤潜力也得到深入探索,然而单羰基姜黄素类似物(MCACs)仍然存在研究空白。
发明内容
本发明的第一目的是提供一种含吡啶结构的姜黄素类似物。
本发明的第二目的是提供含吡啶结构的姜黄素类似物的制备方法。
本发明的第三目的是探讨含吡啶结构的姜黄素类似物在制备抗炎以及治疗与炎症相关疾病、阿尔兹海默症、帕金森综合症、抑郁症的药物中的应用。
为实现上述目的,本发明采用以下技术方案:
一种含吡啶结构的姜黄素类似物,所述姜黄素类似物由式Ⅰ表示,或其药学上可接受的盐:
Figure BDA0003087360240000021
其中:
L1为连接两个远端环的基团,选自
Figure BDA0003087360240000022
Figure BDA0003087360240000023
进一步,所述药学上可接受的盐包括有盐酸盐、硫酸盐。
进一步,所述姜黄素类似物具有如下所示结构:
Figure BDA0003087360240000024
进一步,所述结构CA1的具体制备步骤如下:
将3.96~7.96份乙酰丙酮和3.67~7.35份B2O3的乙酸乙酯溶液40~60℃加热回流反应0.5~1h,得到溶液Ⅰ;
在该温度下,将8.1~16.2份6-甲氧基-3-吡啶甲醛、3.96~7.96份硼酸三丁酯和2.86~5.72份正丁胺的乙酸乙酯溶液缓慢滴加到溶液Ⅰ中,通过TLC监测该反应3~6 h,得到溶液Ⅱ并将溶液Ⅱ冷却至50℃,然后滴入1~2N盐酸溶液,并在50℃温度下继续反应1~2h,得到溶液Ⅲ,然后将溶液Ⅲ冷却至室温后,通过10%NaOH将溶液Ⅲ的pH调节至约7~8时,获得粗产物Ⅰ,并将粗产物通过柱层析分离纯化,乙酸乙酯:石油醚=1:4,v/v,浓缩后得到的固体为产物CA1。
进一步,所述乙酰丙酮为3.96份、B2O3为3.67份、回流加热温度为45℃、回流反应时间为0.5h、6-甲氧基-3-吡啶甲醛为8.1份、硼酸三丁酯为3.96份、正丁胺为2.86份、监测反应时间为3h、50℃温度下继续反应时间为1h。
进一步,所述结构CA2~CA5的具体制备步骤如下:
在室温下将6.375~13.47份6-甲氧基-3-吡啶甲醛和3.125~6.25份丙酮的乙醇溶液混合物搅拌20min,得到反应液Ⅰ;
然后将3.47~6.94份8.2%NaOH乙醇溶液滴加至反应液Ⅰ中并继续反应12~24h,过滤后分别得到反应液Ⅱ和粗产物Ⅱ,将反应液Ⅱ通过在柱层析色谱法分离纯化,乙酸乙酯:石油醚=1:8,1:4,1:1,v/v,浓缩后得到浅黄色固体为产物CA2,将粗产物Ⅱ用无水乙醇10mL洗涤三次,得到产物CA3~CA5。
进一步,所述6-甲氧基-3-吡啶甲醛为6.375份、丙酮3.125份、8.2%NaOH乙醇溶液为3.47份反应时间为12h。
进一步,任一项所述的含吡啶结构的姜黄素类似物在制备抗炎以及治疗与炎症相关疾病、阿尔兹海默症、帕金森综合症、抑郁症的药物中的应用。
进一步,所述的含吡啶结构的姜黄素类似物在制备抗炎以及治疗与炎症相关疾病、阿尔兹海默症、帕金森综合症、抑郁症的药物中的应用,其特征在于,所述与炎症相关疾病包括有类风湿关节炎、系统性红斑狼疮、骨关节炎、痛风性关节炎、皮肤炎症、自身免疫性疾病、过敏性炎症、肝炎和肺炎。
进一步,任一项所述的含吡啶结构的姜黄素类似物制备的剂型包括有片剂、颗粒剂、散剂、纳米粒、注射剂、缓释剂、软膏剂栓剂及固体分散剂。
由于采用了上述技术方案,本发明具有如下的优点:
1、本发明以吡啶环代替芳香苯环作为远端环,以期获得活性强、稳定性高和选择性强的姜黄素类似物。
2、本发明以乙酰丙酮、B2O3、6-甲氧基-3-吡啶甲醛、硼酸三丁酯、正丁胺为原料,设计黄素类似物合成CA1,以6-甲氧基-3-吡啶甲醛和丙酮为原料设计合成了姜黄素类似物CA2~CA5,CA1~CA5对肺癌、肝癌、乳腺癌、结肠癌和宫颈癌的抗肿瘤活性均比先导化合物姜黄素有显著提高。
3、本发明的姜黄素类似物具有结构新颖、抗肿瘤活性强、广谱、制备方法简单、操作简便、适合大规模生产等优点。
本发明的其它优点、目标和特征在某种程度上将在随后的说明书中进行阐述,并且在某种程度上,基于对下文的考察研究对本领域技术人员而言将是显而易见的,或者可以从本发明的实践中得到教导。本发明的目标和其他优点可以通过下面的说明书和权利要求书来实现和获得。
附图说明
本发明的附图说明如下:
图1为实施例6中维生素组和CA5组相对细胞活力柱状图。
具体实施方式
下面结合附图和实施例对本发明作进一步说明,但不应该将此理解为本发明上述主题的范围仅限于以下的实施例,凡基于本发明上述内容实现的技术均属于本发明的范围。
实施例1:含吡啶结构的姜黄素类似物CA1~CA5的制备
1)制备姜黄素类似物CA1的具体步骤如下:
将3.96份乙酰丙酮和3.67份B2O3的乙酸乙酯溶液45℃加热回流反应0.5h,得到溶液Ⅰ;
在该温度下,将8.1份6-甲氧基-3-吡啶甲醛、3.96份硼酸三丁酯和2.86份正丁胺的乙酸乙酯溶液缓慢滴加到溶液Ⅰ中,通过TLC监测该反应3h,得到溶液Ⅱ并将溶液Ⅱ冷却至50℃,然后滴入1N盐酸溶液,并在50℃温度下继续反应1h,得到溶液Ⅲ,然后将溶液Ⅲ冷却至室温后,通过10%NaOH将溶液Ⅲ的pH调节至约7~8时,获得粗产物Ⅰ,并将粗产物通过柱层析分离纯化,乙酸乙酯:石油醚=1:4,v/v,浓缩后得到的固体为产物CA1;
2)制备姜黄素类似物CA2~CA5的具体步骤如下:
在室温下将6.375份6-甲氧基-3-吡啶甲醛和3.125份丙酮的乙醇溶液混合物搅拌20min,得到反应液Ⅰ;
然后将3.47份8.2%NaOH乙醇溶液滴加至反应液Ⅰ中并继续反应12h,过滤后分别得到反应液Ⅱ和粗产物Ⅱ,将反应液Ⅱ通过在柱层析色谱法分离纯化,乙酸乙酯:石油醚=1:8,1:4,1:1,v/v,浓缩后得到浅黄色固体为产物CA2,将粗产物Ⅱ用无水乙醇10mL洗涤三次,得到产物CA3~CA5。
实施例2:含吡啶结构的姜黄素类似物CA1~CA5的制备
1)制备姜黄素类似物CA1的具体步骤如下:
将3.96份乙酰丙酮和3.67份B2O3的乙酸乙酯溶液加热40℃回流反应0.5h,得到溶液Ⅰ;
在该温度下,将12.15份6-甲氧基-3-吡啶甲醛、3.96份硼酸三丁酯和2.86份正丁胺的乙酸乙酯溶液缓慢滴加到溶液Ⅰ中,通过TLC监测该反应5h,得到溶液Ⅱ并将溶液Ⅱ冷却至50℃,然后滴入1.5N盐酸溶液,并在50℃温度下继续反应1.5h,得到溶液Ⅲ,然后将溶液Ⅲ冷却至室温后,通过10%NaOH将溶液Ⅲ的pH调节至约 7~8时,获得粗产物Ⅰ,并将粗产物通过柱层析分离纯化,乙酸乙酯:石油醚=1:4, v/v,浓缩后得到的固体为产物CA1;
2)制备姜黄素类似物CA2~CA5的具体步骤如下:
在室温下将10.1份6-甲氧基-3-吡啶甲醛和3.125份丙酮的乙醇溶液混合物搅拌20min,得到反应液Ⅰ;
然后将3.47份8.2%NaOH乙醇溶液滴加至反应液Ⅰ中并继续反应12h,过滤后分别得到反应液Ⅱ和粗产物Ⅱ,将反应液Ⅱ通过在柱层析色谱法分离纯化,乙酸乙酯:石油醚=1:8,1:4,1:1,v/v,浓缩后得到浅黄色固体为产物CA2,将粗产物Ⅱ用无水乙醇10mL洗涤三次,得到产物CA3~CA5。
实施例3:含吡啶结构的姜黄素类似物CA1~CA5的制备
1)制备姜黄素类似物CA1的具体步骤如下:
将7.96份乙酰丙酮和7.35份B2O3的乙酸乙酯溶液加热60℃回流反应1h,得到溶液Ⅰ;
在该温度下,将16.2份6-甲氧基-3-吡啶甲醛、7.96份硼酸三丁酯和5.72份正丁胺的乙酸乙酯溶液缓慢滴加到溶液Ⅰ中,通过TLC监测该反应6h,得到溶液Ⅱ并将溶液Ⅱ冷却至50℃,然后滴入2N盐酸溶液,并在50℃温度下继续反应2h,得到溶液Ⅲ,然后将溶液Ⅲ冷却至室温后,通过10%NaOH将溶液Ⅲ的pH调节至约7~8时,获得粗产物Ⅰ,并将粗产物通过柱层析分离纯化,乙酸乙酯:石油醚=1:4,v/v,浓缩后得到的固体为产物CA1;
2)制备姜黄素类似物CA2~CA5的具体步骤如下:
在室温下将13.47份6-甲氧基-3-吡啶甲醛和6.25份丙酮的乙醇溶液混合物搅拌20min,得到反应液Ⅰ;
然后将6.94份8.2%NaOH乙醇溶液滴加至反应液Ⅰ中并继续反应24h,过滤后分别得到反应液Ⅱ和粗产物Ⅱ,将反应液Ⅱ通过在柱层析色谱法分离纯化,乙酸乙酯:石油醚=1:8,1:4,1:1,v/v,浓缩后得到浅黄色固体为产物CA2,将粗产物Ⅱ用无水乙醇10mL洗涤三次,得到产物CA3~CA5。
实施例4:含吡啶结构的姜黄素类似物CA1~CA5检测
1、实验材料
实施例1中的条件下所制备的姜黄素类似物CA1~CA5
2、实验方法
取实施例1中的条件下所制备的姜黄素类似物CA1~CA5进行质谱检测。
3.实验结果
CA1:
Figure BDA0003087360240000061
(1E,6E)-1,7-bis(6-methoxypyridin-3-yl)hepta-1,6-diene-3,5-dione
产率为10.1%、熔程为164-166℃、溶解度为0.07mg/100g,
结构表征:1H-NMR(400MHz,DMSO)δ:8.48(s,2H,N=CH×2),8.15(dd,J=8.7,2.2Hz, 2H,6-Py-H×2),7.64(d,J=16.0Hz,2H,CH=CH×2),6.93(d,J=2.8Hz,2H,CH=CH×2),6.90(d, J=4.3Hz,2H,5-Py-H×2),6.10(s,2H,CH2),3.91(s,6H,4-O-CH3×2).HRMScalcd for C19H19N2O4[M+H]+339.1374,found 339.1345.
CA2:
Figure BDA0003087360240000062
(1E,4E)-1,5-bis(6-methoxypyridin-3-yl)penta-1,4-dien-3-one
产率为50.5%、熔程为145-150℃、溶解度为0.42mg/100g,
结构表征:1H-NMR(400MHz,DMSO)δ:8.52(s,2H,N=CH×2),8.21(dd,J=8.7,2.4Hz, 2H,6-Py-H×2),7.78(d,J=16.1Hz,2H,CH=CH×2),7.29(d,J=16.1Hz,2H,CH=CH×2),6.94 (d,J=8.7Hz,2H,5-Py-H×2),3.92(s,6H,4-O-CH3×2).HRMS calcd forC17H17N2O3[M+H]+ 297.0519,found 297.1234.
CA3:
Figure BDA0003087360240000071
(2E,6E)-2,6-bis((6-methoxypyridin-3-yl)methylene)cyclohexan-1-one
产率为48.4%、熔程为147-150℃、溶解度未检测到,
结构表征:1H-NMR(400MHz,DMSO)δ8.40(d,J=2.4Hz,2H,6-Py-H×2),7.93(dd,J=8.8,2.4Hz,2H,CH=CH),7.60(s,2H,N=CH×2),6.91(d,J=8.7Hz,2H,5-Py-H×2),3.90(s,6H, 4-O-CH3×2),2.88(t,J=5.3Hz,4H,CYS-H),1.79–1.66(m,2H,CYC-H).HRMS calcdfor C20H21N2O3[M+H]+337.1569,found 337.1547.
CA4:
Figure BDA0003087360240000072
(3E,5E)-3,5-bis((6-methoxypyridin-3-yl)methylene)-1-methylpiperidin-4-one
产率为55.4%、熔程为180-184℃、溶解度为2.63mg/100g,
结构表征:1H-NMR(400MHz,DMSO)δ:8.38(d,J=2.4Hz,2H,6-Py-H×2),7.87(dd,J=8.8,2.5Hz,2H,CH=C×2),7.57(s,2H,N=CH×2),6.93(d,J=8.7Hz,2H,5-Py-H×2),3.91(s,6H, 4-O-CH3×2),3.72(d,J=1.1Hz,4H,CH2×2),2.41(s,3H,CH3).HRMS calcdfor C20H22N3O3 [M+H]+352.1636,found 352.1661.
CA5:
Figure BDA0003087360240000081
(3E,5E)-1-isopropyl-3,5-bis((6-methoxypyridin-3-yl)methylene)piperidin-4-one
产率为36.6%、熔程为175-178℃、溶解度为0.22mg/100g,
结构表征:1H-NMR(400MHz,DMSO)δ8.39(s,2H,CH=C×2),7.89(dd,J=9.6,7.1Hz, 2H,6-Py-H×2),7.54(s,2H,N=CH×2),6.92(d,J=9.4Hz,2H,5-Py-H×2),3.91(s,6H, 4-O-CH3×2),3.80(s,4H,Pi-H×2),3.06–2.87(m,1H,CH(CH3)2),1.04(d,J=7.2Hz,6H, CH3×2).HRMS calcd for C22H26N3O3[M+H]+380.1979,found 380.1969.
实施例5:含吡啶结构的姜黄素类似物毒理学评价
1、实验材料
A549、HepG2和MCF-7细胞株(均购自中国科学院细胞库),HeLa、Caco2和L02细胞株(均购自西南医科大学附属医院基础医学实验中心),姜黄素(购自成都曼斯特生物科技有限公司),以实施例1的条件下所制备的姜黄素类似物CA1~CA5。
2、实验方法
将细胞株A549、HepG2、MCF-7、HeLa、Caco2和L02均培养在37℃、5%CO2细胞培养箱中,所用于实验细胞皆处于对数生长期。采用MTT比色法测定姜黄素、姜黄素类似物 CA1~CA5分别对各细胞的毒性作用,并计算24小时、48小时各个药物的半数致死量IC50及选择指数(SI)。
3、实验结果
表1姜黄素、姜黄素类似物CA1~CA5对各肿瘤细胞的IC50和选择指数
Figure BDA0003087360240000082
Figure BDA0003087360240000091
注:选择指数(SI)=lg[IC50(L02)/IC50(A549,HepG2,MCF-7,HeLa or Caco2)];nc(not calculated),无法计算。
实验结果如表1所示,仅CA1和CA3的广谱抗肿瘤活性低于其先导化合物姜黄素,CA2、CA4、CA5的抗肿瘤活性皆明显强于姜黄素,另外CA5对宫颈癌HeLa细胞表现出较高活性的同时也展现高选择性。
实施例6:含吡啶结构的姜黄素类似物抗氧化评价
1、实验材料
维生素C(购自成都曼斯特生物科技有限公司),肾上腺嗜铬细胞瘤PC12细胞(由西南医科大学药理系赠予),实施例5中优选的姜黄素类似物CA5。
2、实验方法
取对数生长期肾上腺嗜铬细胞瘤PC12细胞,胰酶消化处理后,接种于96孔板内,每孔加100μL细胞液(5×104个/mL),待细胞培养24h贴壁生长后,将其分为正常对照组、 H2O2模型组、维生素C组和姜黄素类似物CA5给药组,每组设5个复孔。正常对照组和H2O2模型组加入完全培养基,维生素C给药组用浓度分别为7.5、15、30、60和120μM维生素C 溶液处理细胞,CA5给药组用浓度分别为7.5、15、30、60和120μM的CA5溶液处理细胞; 12h后,小心吸取96孔板内液体,弃去,随后,加入浓度为100μM的H2O2培养液,并设等体积的培养液(不加H2O2)为空白对照。置于37℃,5%CO2恒温培养箱中培养24h,每孔加入20μL新鲜配制的MTT溶液(5mg/mL),孵育3h,弃上清液,每孔加入150μ L DMSO,震荡10min,在490nm时,用酶标仪测定各孔的吸光度(A)。根据以下公式计算药物的细胞活力。
细胞活力(%)=(A实验组-A空白组)/(A对照组-A空白组)×100%
相对细胞活力(%)=实验组细胞活力/阴性对照组细胞活力×100%
3、实验结果
表2氧化环境下PC12细胞在不同干预下其存活率
Figure BDA0003087360240000101
实验结果如表2所示,通过10、40、80、160、320μM的H2O2损伤PC12细胞后计算得到IC50值为100±7μmol/L,选择100μmol/L的H2O2损伤PC12细胞。因此将只用H2O2处理的阴性对照组的存活率作为对照,其相对细胞活力为100%。如表2和图1所示,经维生素和CA5处理24h和48h后,相较于阴性对照组其各浓度下细胞活力呈浓度依赖性增加。与维生素组相比,CA5组细胞增殖率有明显增加,且高浓度下细胞活力已明显高于空白组。以上结果表明姜黄素类似物CA5可通过抗氧化应激从而实现抗抑郁作用。
最后用说明的是:以上所述仅为本发明的优选实验而已,并不用于限制本发明,尽管参照前述实施例对本发明进行了详细的说明,对于本领域的技术人员来说,其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行同等替换。凡在本发明的精神和原则之内,所作的任何修改、同等替换、改进等,均应包含在本发明的保护范围之内。

Claims (10)

1.一种含吡啶结构的姜黄素类似物,其特征在于,所述姜黄素类似物由式Ⅰ表示,或其药学上可接受的盐:
Figure FDA0003087360230000011
其中:
L1为连接两个远端环的基团,选自
Figure FDA0003087360230000012
Figure FDA0003087360230000013
2.如权利要求1所述的含吡啶结构的姜黄素类似物,其特征在于,所述药学上可接受的盐包括有盐酸盐、硫酸盐。
3.如权利要求1所述的含吡啶结构的姜黄素类似物,其特征在于,所述姜黄素类似物具有如下所示结构:
Figure FDA0003087360230000014
4.如权利要求3所述的含吡啶结构的姜黄素类似物的制备方法,其特征在于,所述结构CA1的具体制备步骤如下:
将3.96~7.96份乙酰丙酮和3.67~7.35份B2O3的乙酸乙酯溶液40~60℃加热回流反应0.5~1h,得到溶液Ⅰ;
在该温度下,将8.1~16.2份6-甲氧基-3-吡啶甲醛、3.96~7.96份硼酸三丁酯和2.86~5.72份正丁胺的乙酸乙酯溶液缓慢滴加到溶液Ⅰ中,通过TLC监测该反应3~6h,得到溶液Ⅱ并将溶液Ⅱ冷却至50℃,然后滴入1~2N盐酸溶液,并在50℃温度下继续反应1~2h,得到溶液Ⅲ,然后将溶液Ⅲ冷却至室温后,通过10%NaOH将溶液Ⅲ的pH调节至约7~8时,获得粗产物Ⅰ,并将粗产物通过柱层析分离纯化,乙酸乙酯:石油醚=1:4,v/v,浓缩后得到的固体为产物CA1。
5.如权利要求4所述的含吡啶结构的姜黄素类似物的制备方法,其特征在于,所述乙酰丙酮为3.96份、B2O3为3.67份、回流加热温度为45℃、回流反应时间为0.5h、6-甲氧基-3-吡啶甲醛为8.1份、硼酸三丁酯为3.96份、正丁胺为2.86份、监测反应时间为3h、50℃温度下继续反应时间为1h。
6.如权利要求3所述的含吡啶结构的姜黄素类似物的制备方法,其特征在于,所述结构CA2~CA5的具体制备步骤如下:
在室温下将6.375~13.47份6-甲氧基-3-吡啶甲醛和3.125~6.25份丙酮的乙醇溶液混合物搅拌20min,得到反应液Ⅰ;
然后将3.47~6.94份8.2%NaOH乙醇溶液滴加至反应液Ⅰ中并继续反应12~24h,过滤后分别得到反应液Ⅱ和粗产物Ⅱ,将反应液Ⅱ通过在柱层析色谱法分离纯化,乙酸乙酯:石油醚=1:8,1:4,1:1,v/v,浓缩后得到浅黄色固体为产物CA2,将粗产物Ⅱ用无水乙醇10mL洗涤三次,得到产物CA3~CA5。
7.如权利要求6所述的含吡啶结构的姜黄素类似物的制备方法,其特征在于,所述6-甲氧基-3-吡啶甲醛为6.375份、丙酮3.125份、8.2%NaOH乙醇溶液为3.47份反应时间为12h。
8.如权利要求1~3任一项所述的含吡啶结构的姜黄素类似物在制备抗炎以及治疗与炎症相关疾病、阿尔兹海默症、帕金森综合症、抑郁症的药物中的应用。
9.如权利要求8所述的含吡啶结构的姜黄素类似物在制备抗炎以及治疗与炎症相关疾病、阿尔兹海默症、帕金森综合症、抑郁症的药物中的应用,其特征在于,所述与炎症相关疾病包括有类风湿关节炎、系统性红斑狼疮、骨关节炎、痛风性关节炎、皮肤炎症、自身免疫性疾病、过敏性炎症、肝炎和肺炎。
10.如权利要求1~9任一项所述的含吡啶结构的姜黄素类似物制备的剂型包括有片剂、颗粒剂、散剂、纳米粒、注射剂、缓释剂、软膏剂栓剂及固体分散剂。
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