CN108203439B - 苯乙烯吡啶类化合物、其制备方法和用途 - Google Patents
苯乙烯吡啶类化合物、其制备方法和用途 Download PDFInfo
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- CN108203439B CN108203439B CN201611181281.0A CN201611181281A CN108203439B CN 108203439 B CN108203439 B CN 108203439B CN 201611181281 A CN201611181281 A CN 201611181281A CN 108203439 B CN108203439 B CN 108203439B
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Abstract
本发明公开了一类新型的苯乙烯吡啶类化合物(I)及其药学上可接受的盐、其制备方法、药物组合物和在制备治疗和/或预防神经退行性相关疾病药物中的用途,包括但不限于血管性痴呆、阿尔茨海默氏症、帕金森症、亨廷顿症、HIV相关痴呆症、多发性硬化症、进行性脊髓侧索硬化症、神经性疼痛、青光眼等神经退行性疾病;
Description
技术领域
本发明属药物化学领域,涉及一类新型的苯乙烯吡啶类化合物(I)及其药学上可接受的盐、其制备方法、药物组合物和在制备治疗和/或预防神经退行性相关疾病药物中的用途,包括但不限于血管性痴呆、阿尔茨海默氏症、帕金森症、亨廷顿症、HIV相关痴呆症、多发性硬化症、进行性脊髓侧索硬化症、神经性疼痛、青光眼等神经退行性疾病。
背景技术
阿尔茨海默症(Alzheimer’s disease,AD,老年痴呆症)是一种以进行性认知障碍和记忆力损害为主的中枢神经系统退行性疾病,其发病率呈逐年上升趋势,成为仅次于心血管病和癌症的高发性疾病,在欧美等发达国家已上升为死亡原因的第四位。据世界卫生组织报告,全球65岁以上老人有10%智力障碍,其中二分之一发生痴呆,八十五岁以上发病率近50%。在我国AD患者人数约600-700万,发病率超过5%。随着全球人口老龄化进程的加快,其发病率呈明显上升趋势,据Alzheimer's Disease International在2013年12月公布的《阿尔茨海默症的全球影响:2013-2050》报告中指出,AD将成为未来几十年全球面临的最大健康挑战,到2030年,患者人数将由2013年的4400万上升到7600万,到2050年,这一数值将达到惊人的1.35亿。由于AD临床表现为记忆能力、定向能力、思维和判断能力减退,以及日常生活能力降低,甚至出现异常精神行为症状等,使患者护理难度较大,给社会和家庭带来沉重负担。目前已批准用于治疗轻/中度AD的药物有乙酰胆碱酯酶(AChE)抑制剂,以及用于重度AD治疗的N-甲基-D-天冬氨酸(NMDA)受体拮抗剂,但临床使用表明,这些药物可通过提高患者体内乙酰胆碱水平或者抑制兴奋性氨基酸的兴奋毒性来缓解AD症状,但不能有效阻止或逆转病程,而且还会引起幻觉、意识混沌、头晕、头痛、恶心、肝脏毒性、食欲不振以及大便频繁等严重毒副作用,因而长期疗效不甚理想。因此,临床上迫切需要研发具有新型作用机制的AD治疗药物。
AD属多种因素引起的疾病,发病机理复杂,至今还未完全阐明其发病机制,但研究表明,患者脑内乙酰胆碱水平的下降、β-淀粉样蛋白的过度生成与沉积、金属离子代谢紊乱、Ca2+平衡失调、tau-蛋白过度磷酸化导致的神经纤维缠结、单胺氧化酶B(MAO-B)活性增强、谷氨酸受体活性过高、氧化应激产生大量活性氧(ROS)和自由基以及神经炎症反应等多种因素在AD的发病过程中扮演重要角色。针对上述发病因素,研究人员采用传统“一药一靶”药物设计策略,发现了大量对某一靶点具有高活性和高选择性的药物,如:胆碱酯酶抑制剂和N-甲基-D-天冬氨酸受体拮抗剂等,但这些药物存在作用靶点单一、临床使用毒副作用较多、对AD患者的长期疗效欠佳等问题。
近年来,随着对AD致病机理的不断阐明,发现AD的发生和发展具有多机制、多因素作用的特点,不同机制之间又相互关联相互影响,构成了AD发生和发展过程中复杂的网络调控系统。基于上述结果,研究人员提出了“多靶点导向药物”(Multitarget-directedLigands, MTDLs)策略来研发抗神经退行性疾病药物。所谓“多靶点药物”是指单一化学实体同时作用于疾病网络中的多个靶点,对各靶点的作用可产生协同效应,使总效应大于各单效应之和,此类药也称为“Multifunctional”或“Multipotential”药物。多靶点药物与多药联合应用以及复方药物的主要区别在于:可减少服药量、提高治疗效果、避免药物之间的相互作用及由此带来的毒副作用,均一的药代动力学特性,便于使用等。设计并发现同时具有抑制单胺氧化酶B、抗氧化应激,且多种生物活性较均衡的多靶点AD治疗药物是目前的研究热点。因此,研究开发具有新型化学结构、新型作用机制,且具有多靶点(或多功能)作用、低毒副作用的抗神经退行性疾病治疗药物不仅符合社会老龄化进程的迫切需求,而且具有良好的市场前景。
发明内容
本发明目的在于公开一类新型的苯乙烯吡啶类化合物(I)及其药学上可接受的盐;
本发明另一目的在于公开该类苯乙烯吡啶类化合物(I)及其药学上可接受的盐的制备方法;
本发明的又一目的在于公开包含该类苯乙烯吡啶类化合物(I)及其药学上可接受的盐的药物组合物;
本发明再一目的在于公开该类苯乙烯吡啶类化合物(I)及其药学上可接受的盐具有多靶点作用,可用于制备治疗和/或预防神经退行性相关疾病的药物中的用途,包括但不限于血管性痴呆、阿尔茨海默氏病、帕金森症、亨廷顿症、HIV相关痴呆症、多发性硬化症、进行性脊髓侧索硬化症、神经性疼痛、青光眼等神经退行性疾病。
本发明所公开的苯乙烯吡啶类化合物(I)的化学结构通式为:
式中:R1和R2各自独立地表示H、卤素、C1~C12烷基、氨基、NR3R4、OR5、三氟甲基、三氟甲氧基、硝基、氰基、羧基;R3表示H、C1~C12烷基、炔丙基;R4表示C1~C12烷基、炔丙基、苄基或取代苄基;NR3R4也可表示四氢吡咯基、吗啉基、哌啶基、4-位被C1~C12烷基所取代的哌啶基、4-位被苄基或取代苄基所取代的哌啶基、哌嗪基、4-位被C1~C12烷基所取代的哌嗪基、4-位被苄基或取代苄基所取代的哌嗪基;R5表示H、C1~C12烷基、苄基或取代苄基;R1和R2可在苯环任意可能位置;Ar表示如下所示的(A)和(B)中任一结构单元;
上述术语“取代苄基”是指被苯环上被1-4个选自下组的基团所取代的苄基:F、Cl、Br、I、C1-4烷基、C1-4烷氧基、三氟甲基、三氟甲氧基、二甲氨基、硝基、氰基,这些取代基可在苯环的任意可能位置。
本发明所提出的苯乙烯吡啶类化合物(I)可通过以下方法制备得到:
式中:R1和R2的定义与化学结构通式(I)相同;R1和R2可在苯环任意可能的位置;X表示Cl或Br;R6表示C1-C12烷基。
以5-(卤甲基)-2,2,8-三甲基-4H-[1,3]二氧六环[4,5-c]吡啶类化合物(1)为起始原料,在无溶剂或有溶剂条件下与亚磷酸酯(P(OR6)3)反应,得相应吡啶甲基磷酸酯类化合物(2);所得中间体(2)在溶剂和碱性条件下与相应的苯甲醛类化合物(R1R2PhCHO)缩合,得异丙甲叉苯乙烯吡啶类化合物(I-1)(化学结构通式中Ar表示(B)结构单元);将得到的化合物(I-1)在酸性水溶液中脱除异丙甲叉保护基,得苯乙烯吡啶类化合物(I-2)(化学结构通式中Ar表示(A)结构单元)。
其具体制备方法描述如下:
步骤a):5-(卤甲基)-2,2,8-三甲基-4H-[1,3]二氧六环[4,5-c]吡啶类化合物(1)在无溶剂或有溶剂条件下与亚磷酸酯(P(OR6)3)反应,得相应吡啶甲基磷酸酯类化合物(2);其中,反应所用溶剂为:N,N-二甲基甲酰胺、二甲基亚砜、氯苯、二氯苯、苯、甲苯、二甲苯或二苯醚;化合物(1):亚磷酸酯的摩尔投料比为1.0:1.0~100.0,优选摩尔投料比为1.0:1.0~20.0;反应温度为50~250℃,优选反应温度为100~160℃;反应时间为30分钟~24小时,优选反应时间为1~12小时。
步骤b):由步骤a)制备得到的化合物(2)在溶剂和碱性条件下与苯甲醛类化合物(R1R2PhCHO)缩合,得异丙甲叉苯乙烯吡啶类化合物(I-1)(化学结构通式中Ar表示(B)结构单元);其中,反应所用溶剂为:C1-8脂肪醇、乙酸乙酯、乙醚、四氢呋喃、2-甲基四氢呋喃、N, N-二甲基甲酰胺、二甲基亚砜、二氯甲烷、氯仿、1,4-二氧六环、苯、甲苯、乙腈或C5-8烷烃,优选溶剂为:甲醇、乙醇、异丙醇、N,N-二甲基甲酰胺、乙腈、四氢呋喃、二氯甲烷或甲苯;反应所用碱为:碱金属氢氧化物、碱土金属氢氧化物、碱金属碳酸盐、碱土金属碳酸盐、碱金属氢化物、C1-8醇的碱金属盐、有机叔胺类或季铵碱类(如:三乙胺、三丁胺、三辛胺、吡啶、N-甲基吗啉、N-甲基哌啶、三乙烯二胺、四丁基氢氧化铵),优选碱为:氢氧化钾、氢化钠、碳酸钾、三乙胺或甲醇钠;化合物(2):苯甲醛类化合物:碱的摩尔投料比为1.0:0.9~5.0:1.0~10.0,优选摩尔投料比为1.0:1.0~3.0:1.0~6.0;反应温度为-30~120℃,优选反应温度为0~100℃;反应时间为1~24小时,优选反应时间为2~12小时。
步骤c):由步骤b)制备得到的异丙甲叉苯乙烯吡啶类化合物(I-1)在酸性水溶液中脱除异丙甲叉保护基,得苯乙烯吡啶类化合物(I-2)(化学结构通式中Ar表示(A)结构单元);其中,反应所用溶剂为:水、C1-6脂肪醇、N,N-二甲基甲酰胺、四氢呋喃、C3-8脂肪酮、乙腈、1,4-二氧六环、或二甲基亚砜,优选溶剂为:水、甲醇、乙醇、1,4-二氧六环或四氢呋喃;所用酸为:氯化氢、盐酸、硫酸、硝酸、磷酸、苯甲酸、C1-6脂肪酸、C1-6烷基磺酸、苯磺酸或对甲苯磺酸,优选酸为:盐酸、硫酸、磷酸、乙酸、甲烷磺酸;酸在反应体系中的质量分数为0.1%-98%,优选质量分数为10%-95%,反应温度为0~150℃,优选反应温度为室温~120℃;反应时间为30分钟~24小时,优选反应时间为1~8小时。
按照上述方法所得之苯乙烯吡啶类化合物(I)呈碱性,可与任何合适的酸通过药学上常规的成盐方法制得其药物学上可接受的盐,所述的酸为:盐酸、氢溴酸、硝酸、硫酸、磷酸、C1-6脂肪羧酸(如:甲酸、乙酸、丙酸等)、草酸、苯甲酸、水杨酸、马来酸、富马酸、琥珀酸、酒石酸、柠檬酸、苹果酸、硫辛酸、C1-6烷基磺酸(如:甲基磺酸、乙基磺酸等)、樟脑磺酸、苯磺酸或对甲苯磺酸。
本发明所公开的药物组合物包括治疗有效量的一种或多种苯乙烯吡啶类化合物(I)或其药学上可接受的盐,该药物组合物可进一步含有一种或多种药学上可接受的载体或赋形剂。所述“治疗有效量”是指引起研究者或医生所针对的组织、系统或动物的生物或医药反应的药物或药剂的量;所述“组合物”是指通过将一种以上物质或组份混和而成的产品;所述“药学上可接受的载体”是指药学上可接受的物质、组合物或载体,如:液体或固体填充剂、稀释剂、赋形剂、溶剂或包囊物质,它们携带或转运某种化学物质。本发明所提供的药物组合物其理想的比例是,苯乙烯吡啶类化合物(I)或其药学上可接受的盐作为活性成分占总重量比2%~99.5%,其余部分为占总重量比98%以下。
本发明所公开的苯乙烯吡啶类化合物(I)及其药学上可接受的盐进行了如下的生物活性筛选。
(1)苯乙烯吡啶类化合物(I)对单胺氧化酶A和B的抑制活性
用100 mM的pH 7.4磷酸钾缓冲液将重组人MAO-A配成12.5 μg/mL样品液,将MAO-B配成75 μg/mL样品液。向黑色96孔板中加入待测化合物溶液20 μL,单胺氧化酶80 μL,混匀,37°C于避光处孵育15 min,加入200 μM Amplex Red试剂,2U/mL辣根过氧化物酶,2 mM对羟基苯乙胺(抑制MAO-A)或2 mM苯甲胺(抑制MAO-B)引发反应,37°C孵育20 min,在多功能酶标仪上,以固定激发波长545 nm,测590 nm处荧光发射强度,以磷酸钾缓冲液代替MAO-A或MAO-B为空白;化合物抑制单胺氧化酶的抑制率计算公式为:100-(IFi)/(IFc)*100,式中,IFi和IFc分别为存在抑制剂和无抑制剂下的荧光强度与空白荧光强度的差。每个化合物每次测定3个复孔,每组实验独立重复三次。选择化合物的五至六个浓度,测定其酶抑制率,并以该化合物摩尔浓度的负对数与酶的抑制率线性回归,求得50%抑制率时的摩尔浓度即为该化合物的IC50。测定结果表明,本发明实施例中所公开的苯乙烯吡啶类化合物(I)对MAO-B均具有显著抑制作用,其IC50为2.0 nM~20.0 µM;而对MAO-A抑制的IC50均高于50.0 µM,说明本发明所公开的化合物对MAO-B具有选择性抑制作用。
(2)苯乙烯吡啶类化合物(I)的抗氧化活性(ORAC-FL方法)
参照文献(Qiang, X.M. et al.Eur. J Med. Chem.2014, 76, 314-331)所报道的方法进行测定,即:6-羟基-2,5,7,8-四甲基色烷-2-羧酸(Trolox)用pH7.4的PBS缓冲液配成10-80 μmol/L的溶液,荧光素(fluorescein)用pH7.4的PBS缓冲液配成250 nmol/L的溶液,2,2’-偶氮二异丁基脒二盐酸盐(AAPH)使用前用pH7.4的PBS缓冲液配成40 mmol/L的溶液。向96孔板中加入50-10 μmol/L的化合物溶液和荧光素溶液,混匀,37°C孵育15min,加入AAPH溶液,使每孔总体积为200 μL,混匀,立即置于多功能酶标仪中,在485 nm激发波长和535 nm发射波长下连续测定90 min。计算出荧光衰减曲线下面积AUC,其中以1-8μmol/L的Trolox作为标准,以不加待测样品为空白,化合物的抗氧化活性结果表达为Trolox的当量,其计算公式为:[(AUC Sample-AUC blank)/(AUC Trolox-AUC blank)]´[(concentration of Trolox/concentration of sample)],每个化合物每次测定3个复孔,每组实验独立重复三次。测定结果表明,本发明实施例中所公开的苯乙烯吡啶类化合物(I)的抗氧化活性为Trolox的1.2-3.0倍,说明该类化合物具有强抗氧化活性。
具体实施方式
通过下面的实施例可对本发明进行进一步的描述,然而,本发明的范围并不限于下述实施例。本领域的专业人员能够理解,在不背离本发明的精神和范围的前提下,可以对本发明进行各种变化和修饰。
实施例1
Ar表示(B)结构单元时,苯乙烯吡啶类化合物(I-1)的制备通法
在反应瓶中加入4.0 mmol 5-(氯甲基)-2,2,8-三甲基-4H-[1,3]二氧六环[4,5-c]吡啶(1)和25.0 mmol亚磷酸三乙酯,升温回流搅拌反应4.0小时(反应进程用TLC跟踪);反应结束后,减压蒸除过量的亚磷酸三乙酯,残余物经硅胶柱层析纯化(洗脱液:石油醚-乙酸乙酯=1:1 v/v),得2,2,8-三甲基-4H-[1,3]二氧六环[4,5-c]吡啶-5-甲基磷酸二乙酯(2),收率95.0%;
将上步制得的2,2,8-三甲基-4H-[1,3]二氧六环[4,5-c]吡啶-5-甲基磷酸二乙酯(2)全量溶于20 ml四氢呋喃中,冷却至0~5℃,加入10.0 mmol氢化钠,保温搅拌反应30分钟,然后加入苯甲醛类化合物(R1R2PhCHO)4.0 mmol,继续于0~5℃保温搅拌反应6-8小时;反应结束后,加入10%盐酸水溶液终止反应,然后用10%碳酸氢钠液中和反应液至中性,减压蒸除四氢呋喃,残余液用50 ml乙酸乙酯萃取,有机层经无水硫酸钠干燥后过滤,减压蒸除溶剂,残余物经柱层析纯化(洗脱液:石油醚-乙酸乙酯=2:1 v/v),得相应的苯乙烯吡啶类化合物(I-1),收率38.0%-76.0%;其化学结构均经1H-NMR、13C-NMR和ESI-MS确证,所得目标物的纯度经HPLC测定均大于97.0%。采用上述通法制备得到的目标物结构如下:
;
实施例2
Ar表示(A)结构单元时,苯乙烯吡啶类化合物(I-2)的制备通法
在反应瓶中加入4.0 mmol 5-(溴甲基)-2,2,8-三甲基-4H-[1,3]二氧六环[4,5-c]吡啶(1)、10.0 mmol亚磷酸三甲酯和25 ml氯苯,升温回流搅拌反应5.0小时(反应进程用TLC跟踪);反应结束后,减压蒸除过量的亚磷酸三甲酯和氯苯,残余物经硅胶柱层析纯化(洗脱液:石油醚-乙酸乙酯=1:1 v/v),得2,2,8-三甲基-4H-[1,3]二氧六环[4,5-c]吡啶-5-甲基磷酸二甲酯(2),收率88.2%;
将上步制得的2,2,8-三甲基-4H-[1,3]二氧六环[4,5-c]吡啶-5-甲基磷酸二甲酯(2)全量溶于20 ml甲苯中,冷却至0~5℃,加入10.0 mmol甲醇钠,室温搅拌反应30分钟,然后加入苯甲醛类化合物(R1R2PhCHO)4.0 mmol,升温至50℃搅拌反应5-12小时;反应结束后,加入10%盐酸水溶液终止反应,然后用10%碳酸氢钠液中和反应液至中性,减压蒸除甲苯,残余液用50 ml乙酸乙酯萃取,有机层经无水硫酸钠干燥后过滤,减压蒸除溶剂,残余物经柱层析纯化(洗脱液:石油醚-乙酸乙酯=2:1 v/v),得相应的得相应的苯乙烯吡啶类化合物(I-1),收率30.0%-82.0%;
将上步制得的苯乙烯吡啶类化合物(I-1)全量加入10 ml 15%盐酸水溶液和20 ml乙醇的混合溶液中,室温搅拌反应3.0~7.0小时(反应进程用TLC跟踪),反应结束后,减压蒸除溶剂,残余物中加入50 ml乙酸乙酯,有机层依次用25 ml 5%碳酸氢钠水溶液和20 ml去离子水洗涤,经无水硫酸钠干燥后过滤,减压蒸除溶剂,残余物经柱层析纯化(洗脱液:石油醚-乙酸乙酯=2:1 v/v),得相应的苯乙烯吡啶类化合物(I-2),收率83.5%-93.0%;其化学结构均经1H-NMR、13C-NMR和ESI-MS确证,所得目标物的纯度经HPLC测定均大于97.0%。采用上述通法制备得到的目标物结构如下:
实施例3 苯乙烯吡啶类化合物(I)与酸成盐制备通法
在反应瓶中加入按照上述实施例1或2所得之苯乙烯吡啶类化合物(I)2.0 mmol和甲醇50 ml,搅拌均匀后加入6.0 mmol相应的酸,升温回流搅拌反应10分钟,反应结束后冷却至室温,减压蒸除溶剂,残余物用丙酮重结晶,过滤析出的固体,即得苯乙烯吡啶类化合物(I)的盐,其化学结构经1H NMR和ESI-MS确证。
Claims (9)
1.一类苯乙烯吡啶类化合物或其药学上可接受的盐,其特征在于该类化合物的化学结构通式如(I)所示:
式中:R1和R2各自独立地表示H、卤素、C1~C12烷基、氨基、NR3R4、OR5、三氟甲基、三氟甲氧基、硝基、氰基、羧基;R3表示H、C1~C12烷基、炔丙基;R4表示C1~C12烷基、炔丙基、苄基或取代苄基;NR3R4也可表示四氢吡咯基、吗啉基、哌啶基、4-位被C1~C12烷基所取代的哌啶基、4-位被苄基或取代苄基所取代的哌啶基、哌嗪基、4-位被C1~C12烷基所取代的哌嗪基、4-位被苄基或取代苄基所取代的哌嗪基;R5表示H、C1~C12烷基、苄基或取代苄基;R1和R2可在苯环任意可能位置;Ar表示如下所示的(A)和(B)中任一结构单元,但当Ar表示(B)结构单元时,R1和R2不同时为H;
所述“取代苄基”是指苯环上被1-4个选自下组的基团所取代的苄基:F、Cl、Br、I、C1-4烷基、C1-4烷氧基、三氟甲基、三氟甲氧基、二甲氨基、硝基、氰基,这些取代基可在苯环的任意可能位置。
2.如权利要求1所述的苯乙烯吡啶类化合物或其药学上可接受的盐,其特征在于所述的药学上可接受的盐为此类苯乙烯吡啶类化合物与盐酸、氢溴酸、硝酸、硫酸、磷酸、C1-6脂肪羧酸、草酸、苯甲酸、水杨酸、马来酸、富马酸、琥珀酸、酒石酸、柠檬酸、苹果酸、硫辛酸、C1-6烷基磺酸、樟脑磺酸、苯磺酸或对甲苯磺酸的盐。
3.如权利要求1-2任一项所述苯乙烯吡啶类化合物或其药学上可接受的盐的制备方法,其特征在于所述化合物可通过以下方法制备得到:
式中:R1和R2的定义与化学结构通式(I)相同;R1和R2可在苯环任意可能的位置;X表示Cl或Br;R6表示C1-C12烷基;
步骤a):5-(卤甲基)-2,2,8-三甲基-4H-[1,3]二氧六环[4,5-c]吡啶类化合物(1)在无溶剂或有溶剂条件下与亚磷酸酯(P(OR6)3)反应,得相应吡啶甲基磷酸酯类化合物(2);
步骤b):由步骤a)制备得到的化合物(2)在溶剂和碱性条件下与苯甲醛类化合物(R1R2PhCHO)缩合,得苯乙烯吡啶类化合物(I-1);
步骤c):由步骤b)制备得到的苯乙烯吡啶类化合物(I-1)在酸性水溶液中脱除异丙甲叉保护基,得苯乙烯吡啶类化合物(I-2);
利用上述两种方法所得之苯乙烯吡啶类化合物(I)分子中含有碱性基团,可与任何合适的酸通过药学上常规的成盐方法制得其药物学上可接受的盐。
4.如权利要求3所述苯乙烯吡啶类化合物或其药学上可接受的盐的制备方法,其特征在于步骤a)中,反应所用溶剂为:N,N-二甲基甲酰胺、二甲基亚砜、氯苯、二氯苯、苯、甲苯、二甲苯或二苯醚;化合物(1):亚磷酸酯的摩尔投料比为1.0:1.0~100.0;反应温度为50~250℃;反应时间为30分钟~24小时。
5.如权利要求3所述苯乙烯吡啶类化合物或其药学上可接受的盐的制备方法,其特征在于步骤b)中,反应所用溶剂为:C1-8脂肪醇、乙酸乙酯、乙醚、四氢呋喃、2-甲基四氢呋喃、N,N-二甲基甲酰胺、二甲基亚砜、二氯甲烷、氯仿、1,4-二氧六环、苯、甲苯、乙腈或C5-8烷烃;反应所用碱为:碱金属氢氧化物、碱土金属氢氧化物、碱金属碳酸盐、碱土金属碳酸盐、碱金属氢化物、C1-8醇的碱金属盐、三乙胺、三丁胺、三辛胺、吡啶、N-甲基吗啉、N-甲基哌啶、三乙烯二胺、四丁基氢氧化铵;化合物(2):苯甲醛类化合物:碱的摩尔投料比为1.0:0.9~5.0:1.0~10.0;反应温度为-30~120℃;反应时间为1~24小时。
6.如权利要求3所述苯乙烯吡啶类化合物或其药学上可接受的盐的制备方法,其特征在于步骤c)中,反应所用溶剂为:水、C1-6脂肪醇、N,N-二甲基甲酰胺、四氢呋喃、C3-8脂肪酮、乙腈、1,4-二氧六环或二甲基亚砜;所用酸为:氯化氢、盐酸、硫酸、硝酸、磷酸、苯甲酸、C1-6脂肪酸、C1-6烷基磺酸、苯磺酸或对甲苯磺酸;酸在反应体系中的质量分数为0.1%-98%,反应温度为0~150℃;反应时间为30分钟~24小时。
7.一类药物组合物,其特征在于包含如权利要求1-2任一项所述的苯乙烯吡啶类化合物或其药学上可接受的盐,该药物组合物进一步含有一种或多种药学上可接受的载体或赋形剂。
8.如权利要求7所述的药物组合物,其特征在于所述苯乙烯吡啶类化合物或其药学上可接受的盐作为活性成分占总重量比5%~99.5%。
9.如权利要求1-2任一项所述的苯乙烯吡啶类化合物或其药学上可接受的盐在制备治疗和/或预防神经退行性相关疾病药物中的用途,这类神经退行性相关疾病为:血管性痴呆、阿尔茨海默氏症、帕金森症、亨廷顿症、HIV相关痴呆症、多发性硬化症、进行性脊髓侧索硬化症、神经性疼痛、或青光眼。
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KR101698153B1 (ko) * | 2010-04-26 | 2017-01-23 | 광주과학기술원 | P2x1 및 p2x3 수용체 길항제로 사용되는 신규한 피리딘 카르복실산계 화합물, 이의 제조방법 및 이를 포함하는 조성물 |
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