CN111100074A - 哒嗪腙衍生物及其制备方法与应用 - Google Patents
哒嗪腙衍生物及其制备方法与应用 Download PDFInfo
- Publication number
- CN111100074A CN111100074A CN201910587459.9A CN201910587459A CN111100074A CN 111100074 A CN111100074 A CN 111100074A CN 201910587459 A CN201910587459 A CN 201910587459A CN 111100074 A CN111100074 A CN 111100074A
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- Prior art keywords
- hydroxy
- ethoxy
- group
- methoxy
- pyridazine
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Abstract
本发明涉及化学结构式Ⅰ所示的哒嗪腙衍生物及其药学上可接受的盐,药物组合物以及其在制备流感病毒神经氨酸酶抑制剂中的应用:
Description
技术领域
本发明涉及一类新化合物、其制备方法与应用,具体是哒嗪腙衍生物、其制备方法及其在制备流感病毒神经氨酸酶抑制剂的应用。
背景技术
腙(Hydrazone)类化合物是由醛或酮类化合物和肼类化合物通过脱水缩合获得的一类席夫碱化合物,含有亚氨基和次氨基等基团[Asian Journal of Pharmacy andPharmacology,2018,4(2):116-122]。芳香腙类化合物具有广泛的生物活性,如抗病毒、抗抑郁、抗肿瘤、抗菌、抗炎、抗疟疾、镇痛、抗血小板凝集和血管扩张等生物活性。
2003年,Jarikote等[Ultrasonics Sonochemistry,2003,10(1):45-48]描述了将苯肼与羰基化合物在超声辐射下反应,合成了一系列芳基腙类化合物。
2010年,Ajani等[Bioorganic&Medicinal Chemistry,2010,18(1):214-221]描述了3-肼基喹喔啉-2(1H)-酮和2位取代的环己酮,通过微波辐射技术合成了一系列2-喹喔啉酮-3-腙衍生物,并评价了它们的抗菌活性。
2014年,Oliveira等[RSC Advances,2014,4(100):56736-56742]描述了取代的有机肼类和苯酚醛类化合物,通过无催化剂和无溶剂的机械化学途径合成了一系列腙类化合物。
2015年,Parveen等[New Journal of Chemistry,2015,39(1):469-481]描述了水合肼和取代的芳香醛为原料,离子液体[Et3NH][HSO4]催化合成了一系列芳香双腙类衍生物。
发明内容
本发明解决的技术问题是提供一类哒嗪腙衍生物、其制备方法、药物组合物和用途。
为解决本发明的技术问题,本发明提供如下技术方案:
本发明技术方案的第一方面是提供了一类如结构式Ⅰ所示哒嗪腙衍生物及其药学上可接受的盐:
其中,Y选自:2-羟基、3-羟基、4-羟基、2,4-二羟基、3,4-二羟基、2,5-二羟基、3,5-二羟基、2,6-二羟基、2-羟基-3-甲氧基、2-羟基-4-甲氧基、2-羟基-5-甲氧基、2-羟基-6-甲氧基、3-羟基-2-甲氧基、3-羟基-4-甲氧基、3-羟基-5-甲氧基、3-羟基-6-甲氧基、4-羟基-2-甲氧基、4-羟基-3-甲氧基、4-羟基-3,5-二甲氧基、2-羟基-3-乙氧基、2-羟基-4-乙氧基、2-羟基-5-乙氧基、2-羟基-6-乙氧基、3-羟基-2-乙氧基、3-羟基-4-乙氧基、3-羟基-5-乙氧基、3-羟基-6-乙氧基、4-羟基-2-乙氧基、4-羟基-3-乙氧基、4-羟基-3,5-二乙氧基、2,3,4-三羟基或4-羟基-3,5-二甲基。
进一步的,优选的化合物选自:4-羟基苯甲醛-6-羟基-3-哒嗪腙、3-甲氧基-4-羟基苯甲醛-6-羟基-3-哒嗪腙或2,4-二羟基苯甲醛-6-羟基-3-哒嗪腙。
本发明技术方案的第二方面是提供了哒嗪腙衍生物的制备方法,其特征在于它的制备反应如下:
其中,Y选自:2-羟基、3-羟基、4-羟基、2,4-二羟基、3,4-二羟基、2,5-二羟基、3,5-二羟基、2,6-二羟基、2-羟基-3-甲氧基、2-羟基-4-甲氧基、2-羟基-5-甲氧基、2-羟基-6-甲氧基、3-羟基-2-甲氧基、3-羟基-4-甲氧基、3-羟基-5-甲氧基、3-羟基-6-甲氧基、4-羟基-2-甲氧基、4-羟基-3-甲氧基、4-羟基-3,5-二甲氧基、2-羟基-3-乙氧基、2-羟基-4-乙氧基、2-羟基-5-乙氧基、2-羟基-6-乙氧基、3-羟基-2-乙氧基、3-羟基-4-乙氧基、3-羟基-5-乙氧基、3-羟基-6-乙氧基、4-羟基-2-乙氧基、4-羟基-3-乙氧基、4-羟基-3,5-二乙氧基、2,3,4-三羟基或4-羟基-3,5-二甲基。
本发明技术方案的第三方面是提供含有第一方面所述化合物及其药学上可接受的盐的药物组合物,该药物组合物含有治疗有效量的本发明的哒嗪腙衍生物及其药学上可接受的盐,以及任选的含有药用载体。其中所述的药用载体指药学领域常用的药用载体;该药物组合物可根据本领域公知的方法制备。可通过将本发明化合物及其药学上可接受的盐与一种或多种药学上可接受的固体或液体赋形剂和/或辅剂组合,制成适于人或动物使用的任何剂型。本发明化合物及其药学上可接受的盐在其药物组合物中的含量通常为0.1%~95%重量百分比。
本发明化合物及其药学上可接受的盐或含有它的药物组合物可以单位剂量形式给药,给药途径可为肠道或非肠道,如口服、静脉注射、肌肉注射、皮下注射、鼻腔、口腔粘膜、眼、肺和呼吸道、皮肤、阴道、直肠等。
给药剂型可以是液体剂型、固体剂型或半固体剂型。液体剂型可以是溶液剂(包括真溶液和胶体溶液)、乳剂(包括o/w型、w/o型和复乳)、混悬剂、注射剂(包括水针剂、粉针剂和输液)、滴眼剂、滴鼻剂、洗剂和搽剂等;固体剂型可以是片剂(包括普通片、肠溶片、含片、分散片、咀嚼片、泡腾片、口腔崩解片)、胶囊剂(包括硬胶囊、软胶囊、肠溶胶囊)、颗粒剂、散剂、微丸、滴丸、栓剂、膜剂、贴片、气(粉)雾剂、喷雾剂等;半固体剂型可以是软膏剂、凝胶剂、糊剂等。
本发明化合物及其药学上可接受的盐可以制成普通制剂、也制成是缓释制剂、控释制剂、靶向制剂及各种微粒给药系统。
为了将本发明化合物及其药学上可接受的盐制成片剂,可以广泛使用本领域公知的各种赋形剂,包括稀释剂、黏合剂、润湿剂、崩解剂、润滑剂、助流剂。稀释剂可以是淀粉、糊精、蔗糖、葡萄糖、乳糖、甘露醇、山梨醇、木糖醇、微晶纤维素、硫酸钙、磷酸氢钙、碳酸钙等;湿润剂可以是水、乙醇、异丙醇等;粘合剂可以是淀粉浆、糊精、糖浆、蜂蜜、葡萄糖溶液、微晶纤维素、阿拉伯胶浆、明胶浆、羧甲基纤维素钠、甲基纤维素、羟丙基甲基纤维素、乙基纤维素、丙烯酸树脂、卡波姆、聚乙烯吡咯烷酮、聚乙二醇等;崩解剂可以是干淀粉、微晶纤维素、低取代羟丙基纤维素、交联聚乙烯吡咯烷酮、交联羧甲基纤维素钠、羧甲基淀粉钠、碳酸氢钠与枸橼酸、聚氧乙烯山梨糖醇脂肪酸酯、十二烷基磺酸钠等;润滑剂和助流剂可以是滑石粉、二氧化硅、硬脂酸盐、酒石酸、液体石蜡、聚乙二醇等。
还可以将片剂进一步制成包衣片,例如糖包衣片、薄膜包衣片、肠溶包衣片,或双层片和多层片。
为了将给药单元制成胶囊剂,可以将有效成分本发明化合物及其药学上可接受的盐与稀释剂、助流剂混合,将混合物直接置于硬胶囊或软胶囊中。也可将有效成分本发明化合物及其药学上可接受的盐先与稀释剂、黏合剂、崩解剂制成颗粒或微丸,再置于硬胶囊或软胶囊中。用于制备本发明化合物及其药学上可接受的盐片剂的各稀释剂、黏合剂、润湿剂、崩解剂、助流剂品种也可用于制备本发明化合物及其药学上可接受的盐的胶囊剂。
为将本发明化合物及其药学上可接受的盐制成注射剂,可以用水、乙醇、异丙醇、丙二醇或它们的混合物作溶剂并加入适量本领域常用的增溶剂、助溶剂、pH调剂剂、渗透压调节剂。增溶剂或助溶剂可以是泊洛沙姆、卵磷脂、羟丙基-β-环糊精等;pH调剂剂可以是磷酸盐、醋酸盐、盐酸、氢氧化钠等;渗透压调节剂可以是氯化钠、甘露醇、葡萄糖、磷酸盐、醋酸盐等。如制备冻干粉针剂,还可加入甘露醇、葡萄糖等作为支撑剂。
此外,如需要,也可以向药物制剂中添加着色剂、防腐剂、香料、矫味剂或其它添加剂。
为达到用药目的,增强治疗效果,本发明的药物或药物组合物可用任何公知的给药方法给药。
本发明技术方案的第四方面是提供本发明所述哒嗪腙衍生物及其药学上可接受的盐以及第三方面所述药物组合物在制备流感病毒神经氨酸酶抑制剂方面的应用。
有益技术效果:
本发明的哒嗪腙衍生物是一类具有流感病毒神经氨酸酶抑制活性的化合物。
具体实施方式
以下实施例旨在说明本发明而不是对本发明的进一步限定。
实施例1
4-羟基苯甲醛-6-羟基-3-哒嗪腙(D1)的制备
(1)3-氯-6-羟基哒嗪的制备
10.0mmol 3,6-二氯哒嗪和10.0mmol乙酸钠置于20mL乙酸和4mL水的混合溶液中并搅拌,用微波加热至回流,反应40min,TLC监测反应。然后将反应液冷却至室温,减压旋转蒸发除去溶剂,向残渣中加入适量水,乙酸乙酯萃取,减压旋转蒸发浓缩有机相,粗产物用乙醇重结晶,抽滤,干燥得3-氯-6-羟基哒嗪,白色固体,m.p.141~142℃,收率85.9%。
(2)3-肼基-6-羟基哒嗪的制备
5.0mmol 3-氯-6-羟基哒嗪溶于16mL乙醇溶液中,室温搅拌下滴加10.0mmol 80%水合肼,继续反应3h,TLC监测反应。减压旋转蒸发除去反应液中的乙醇,向残渣中加入20mL石油醚然后搅拌30min,抽滤,用石油醚洗涤滤饼,粗产物用乙醇重结晶,干燥得3-肼基-6-羟基哒嗪,白色固体,m.p.232~233℃,收率84.3%;1H NMR(400MHz,DMSO-d6)δ:7.49(d,J=9.8Hz,1H,哒嗪环-H),6.95(d,J=9.8Hz,1H,哒嗪环-H),5.86(br,4H,NH and OH andNH2);13C NMR(100MHz,DMSO-d6)δ:159.97,137.41,134.56,132.32。
(3)4-羟基苯甲醛-6-羟基-3-哒嗪腙(D1)的制备
1.0mmol 3-肼基-6-羟基哒嗪与1.05mmol 4-羟基苯甲醛溶于10mL乙醇中,室温下搅拌8h,TLC监测反应。将反应混合物抽滤,用石油醚和乙酸乙酯混合液(1:1)洗涤滤饼,干燥得4-羟基苯甲醛-6-羟基-3-哒嗪腙(D1),淡黄色固体,m.p.241~242℃,收率86.9%;1HNMR(400MHz,DMSO-d6)δ:13.17(s,1H,OH),10.06(s,1H,NH),8.55(s,1H,CH),7.68(d,J=7.9Hz,2H,C6H4),7.50(d,J=9.8Hz,1H,哒嗪环-H),6.97(d,J=9.8Hz,1H,哒嗪环-H),6.86(d,J=7.9Hz,2H,C6H4);13C NMR(100MHz,DMSO-d6)δ:160.47,160.33,159.76,137.53,134.84,132.67,130.18,125.17,115.83。
实施例2
3-甲氧基-4-羟基苯甲醛-6-羟基-3-哒嗪腙(D2)的制备
按照实施例1中(2)的方法制备,1.0mmol 3-肼基-6-羟基哒嗪与1.05mmol 3-甲氧基-4-羟基苯甲醛反应8h,得3-甲氧基-4-羟基苯甲醛-6-羟基-3-哒嗪腙(D2),淡黄色固体,m.p.132~133℃,收率71.9%;1H NMR(400MHz,DMSO-d6)δ:13.17(s,1H,OH),9.68(s,1H,NH),8.57(s,1H,CH),7.50(d,J=9.8Hz,1H,哒嗪环-H),7.45(s,1H,C6H3),7.24(d,J=8.1Hz,1H,C6H3),6.97(d,J=9.8Hz,1H,哒嗪环-H),6.87(d,J=8.1Hz,1H,C6H3),3.83(s,3H,CH3O);13C NMR(100MHz,DMSO-d6)δ:160.64,159.68,149.89,147.99,137.43,134.77,132.63,125.53,123.52,115.50,110.03,55.54。
实施例3
2,4-二羟基苯甲醛-6-羟基-3-哒嗪腙(D3)的制备
按照实施例1中(2)的方法制备,1.0mmol 3-肼基-6-羟基哒嗪与1.05mmol 2,4-二羟基苯甲醛反应8h,得2,4-二羟基苯甲醛-6-羟基-3-哒嗪腙(D3),黄色固体,m.p.235~236℃,收率76.3%;1H NMR(400MHz,DMSO-d6)δ:13.16(s,1H,OH),11.39(s,2H,2×OH),10.29(s,1H,NH),8.77(s,1H,CH),7.51(d,J=9.9Hz,1H,哒嗪环-H),7.42(d,J=8.5Hz,1H,C6H3),6.97(d,J=9.9Hz,1H,哒嗪环-H),6.40(dd,J=8.5,2.0Hz,1H,C6H3),6.33(d,J=2.0Hz,1H,C6H3);13C NMR(100MHz,DMSO-d6)δ:162.08,161.76,160.68,159.65,137.40,134.75,132.94,132.62,110.28,108.22,102.48。
实施例4
3-乙氧基-4-羟基苯甲醛-6-羟基-3-哒嗪腙(D4)的制备
按照实施例1中(2)的方法制备,1.0mmol 3-肼基-6-羟基哒嗪与1.05mmol 3-乙氧基-4-羟基苯甲醛反应8h,得3-乙氧基-4-羟基苯甲醛-6-羟基-3-哒嗪腙(D4),白色固体,m.p.167~168℃,收率68.3%;1H NMR(400MHz,DMSO-d6)δ:13.18(s,1H,OH),9.62(s,1H,NH),8.55(s,1H,CH),7.51(d,J=9.9Hz,1H,哒嗪环-H),7.42(s,1H,C6H3),7.24(d,J=8.2Hz,1H,C6H3),6.97(d,J=9.9Hz,1H,哒嗪环-H),6.88(d,J=8.2Hz,1H,C6H3),4.07(q,J=6.9Hz,2H,CH2),1.36(t,J=6.9Hz,3H,CH3);13C NMR(100MHz,DMSO-d6)δ:160.62,159.66,150.08,147.11,137.41,134.76,132.62,125.51,123.31,115.58,111.39,63.83,14.73。
实施例5
3-羟基-4-甲氧基苯甲醛-6-羟基-3-哒嗪腙(D5)的制备
按照实施例1中(2)的方法制备,1.0mmol 3-肼基-6-羟基哒嗪与1.05mmol 3-羟基-4-甲氧基苯甲醛反应8h,得3-羟基-4-甲氧基苯甲醛-6-羟基-3-哒嗪腙(D5),淡黄色固体,m.p.177~178℃,收率78.4%;1H NMR(400MHz,DMSO-d6)δ:13.18(s,1H,OH),9.32(s,1H,NH),8.51(s,1H,CH),7.51(d,J=9.9Hz,1H,哒嗪环-H),7.35(s,1H,C6H3),7.23(d,J=8.3Hz,1H,C6H3),7.01(d,J=8.3Hz,1H,C6H3),6.97(d,J=9.9Hz,1H,哒嗪环-H),3.83(s,3H,CH3O);13C NMR(100MHz,DMSO-d6)δ:160.65,159.65,150.62,146.76,137.40,134.75,132.62,126.87,121.80,113.32,111.82,55.62。
实施例6
3-羟基苯甲醛-6-羟基-3-哒嗪腙(D6)的制备
按照实施例1中(2)的方法制备,1.0mmol 3-肼基-6-羟基哒嗪与1.05mmol 3-羟基苯甲醛反应8h,得3-羟基苯甲醛-6-羟基-3-哒嗪腙(D6),淡黄色固体,m.p.149~150℃,收率76.1%;1H NMR(400MHz,DMSO-d6)δ:13.18(s,2H,2×OH),9.71(s,1H,NH),8.59(s,1H,CH),7.51(d,J=9.9Hz,1H,哒嗪环-H),7.32~7.25(m,3H,C6H4),6.97(d,J=9.9Hz,1H,哒嗪环-H),6.94~6.89(m,1H,C6H4);13C NMR(100MHz,DMSO-d6)δ:161.47,159.66,157.67,137.41,135.10,134.76,132.63,129.95,119.93,118.62,114.07。
实施例7
3,5-二甲基-4-羟基苯甲醛-6-羟基-3-哒嗪腙(D7)的制备
按照实施例1中(2)的方法制备,1.0mmol 3-肼基-6-羟基哒嗪与1.05mmol 3,5-二甲基-4-羟基苯甲醛反应8h,得3,5-二甲基-4-羟基苯甲醛-6-羟基-3-哒嗪腙(D7),淡黄色固体,m.p.208~209℃,收率70.5%;1H NMR(400MHz,DMSO-d6)δ:13.18(s,1H,OH),8.88(s,1H,NH),8.47(s,1H,CH),7.50(d,J=9.9Hz,1H,哒嗪环-H),7.42(s,2H,C6H2),6.97(d,J=9.9Hz,1H,哒嗪环-H),2.20(s,6H,2×CH3);13C NMR(100MHz,DMSO-d6)δ:160.47,159.65,156.27,137.40,134.75,132.62,128.68,125.06,124.55,16.59。
实施例8
哒嗪腙衍生物的抗流感病毒神经氨酸酶活性
1.实验原理
化合物MUNANA是神经氨酸酶的特异性底物,在神经氨酸酶作用下产生的代谢产物在360nm照射激发下,可以产生450nm荧光,荧光强度的变化可以灵敏地反应神经氨酸酶活性。酶都来自A/PR/8/34(H1N1)病毒毒株。
2.实验方法
在酶反应体系中,一定浓度样品与流感病毒神NA悬浮于反应缓冲液中(pH 6.5),加入荧光底物MUNANA启动反应体系,37℃孵育40分钟后,加反应终止液终止反应。在激发波长360nm和发射波长为450nm的参数条件下,测定荧光强度值。反应体系的荧光强度可以反映酶的活性。根据荧光强度的减少量可以计算化合物对NA活性的抑制率。
3.检测样品:实施例化合物
4.活性结果
化合物在反应系统中检测浓度40.0μg/mL时对神经氨酸酶的抑制率和IC50值列入表1。
表1哒嗪腙衍生物对神经氨酸酶H1N1的抑制活性和IC50
哒嗪腙衍生物具有抗流感病毒神经氨酸酶活性,可用于制备流感病毒神经氨酸酶抑制剂。
Claims (5)
1.一类化学结构式Ⅰ所示哒嗪腙衍生物及其药学上可接受的盐:
其中,Y选自:2-羟基、3-羟基、4-羟基、2,4-二羟基、3,4-二羟基、2,5-二羟基、3,5-二羟基、2,6-二羟基、2-羟基-3-甲氧基、2-羟基-4-甲氧基、2-羟基-5-甲氧基、2-羟基-6-甲氧基、3-羟基-2-甲氧基、3-羟基-4-甲氧基、3-羟基-5-甲氧基、3-羟基-6-甲氧基、4-羟基-2-甲氧基、4-羟基-3-甲氧基、4-羟基-3,5-二甲氧基、2-羟基-3-乙氧基、2-羟基-4-乙氧基、2-羟基-5-乙氧基、2-羟基-6-乙氧基、3-羟基-2-乙氧基、3-羟基-4-乙氧基、3-羟基-5-乙氧基、3-羟基-6-乙氧基、4-羟基-2-乙氧基、4-羟基-3-乙氧基、4-羟基-3,5-二乙氧基、2,3,4-三羟基或4-羟基-3,5-二甲基。
2.一类哒嗪腙衍生物及其药学上可接受的盐,选自下列化合物:
4-羟基苯甲醛-6-羟基-3-哒嗪腙、
3-甲氧基-4-羟基苯甲醛-6-羟基-3-哒嗪腙或
2,4-二羟基苯甲醛-6-羟基-3-哒嗪腙。
4.权利要求1或2所述的哒嗪腙衍生物及其在药学上可接受的盐在制备流感病毒神经氨酸酶抑制剂中的应用。
5.一种药物组合物,包括权利要求1或2中至少一种化合物和制药学上可用的载体。
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