CN108047182B - 一种西瑞香素衍生物及其应用 - Google Patents
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- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
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- C07D311/08—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
- C07D311/16—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 7
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Abstract
本发明提供了一种西瑞香素衍生物及其,该西瑞香素衍生物,或其立体异构体、水合物、酯、溶剂化物、共晶体、代谢产物、药学上可接受的盐或前药显示出较好的抗肿瘤活性,其抗肿瘤活性明显好于西瑞香素,可以作为一类新型高效低毒的抗肿瘤药物。
Description
技术领域
本发明涉及一种西瑞香素衍生物及其制备方法和应用,属于药物技术领域。
背景技术
西瑞香素(Daphnoretin),化学名为7-羟基-6-甲氧基-3,7'-双香豆素酯,为一种双香豆素类化合物,广泛存在于豆科、瑞香科及芸香科等多种植物中。现代药理学研究表明西瑞香素在抗肿瘤、消炎镇痛、抗真菌和抗病毒等方面具有显著活性。西瑞香素的抗肿瘤活性表现在多种肿瘤细胞中,例如肺癌细胞A549、宫颈癌细胞Hela、骨肉瘤细胞HOS和黑色素瘤细胞K1735-M2等。初步的作用机制表明西瑞香素主要通过线粒体依赖途径调控Bax和Caspase家族蛋白诱导肿瘤细胞发生凋亡。
随着基础医学的发展,新的抗肿瘤药物靶点不断发现,在过去十年里,抗肿瘤药物的研发成为创新药研究最为活跃的领域。作为发现抗肿瘤药物的重要渠道,天然来源抗肿瘤活性成分是丰富抗肿瘤药物研究的一条重要途径。以有效成分作为母体化合物进行化学结构的改造和修饰,发现更多的抗肿瘤活性成分,成为获得高效低毒的抗肿瘤药物的有效途径。西瑞香素作为潜在的新药或结构修饰母核具有广泛的应用前景。目前尚无有关针对西瑞香素结构修饰方面的文献报道。
发明内容
鉴于上述现有技术存在的缺陷,本发明的目的是提供一种西瑞香素衍生物及其制备方法和应用,能够扩展获得新的高效低毒的抗肿瘤药物。
本发明的目的通过以下技术方案得以实现:
一种西瑞香素衍生物,或其立体异构体、水合物、酯、溶剂化物、共晶体、代谢产物、药学上可接受的盐或前药,具有通式I所示的结构:
其中,n选自0-4的整数,R选自-CH3、-CH=CH2、-OCH2CH2OH、-OC(CH3)3、-N(CH3)2、-OCH2CH2NHCH2NH2、-NHCH3、或者,n选自1-4的整数,R选自-H、-OCH3。
本发明还提供上述的所述的西瑞香素衍生物,或其立体异构体、水合物、酯、溶剂化物、共晶体、代谢产物、药学上可接受的盐或前药在制备治疗肿瘤疾病的药物中的应用。
上述的应用中,优选的,所述肿瘤疾病包括乳腺癌、肝癌、结直肠癌、卵巢癌、宫颈癌、胃癌、肺癌、白血病、胶质瘤和鼻咽癌中的一种或多种。
本发明的西瑞香素衍生物,或其立体异构体、水合物、酯、溶剂化物、共晶体、代谢产物、药学上可接受的盐或前药显示出较好的抗肿瘤活性,其抗肿瘤活性明显好于西瑞香素,可以作为一类新型高效低毒的抗肿瘤药物,能够抑制肿瘤细胞生长,诱导肿瘤细胞凋亡、自噬或坏死,用于治疗肿瘤的侵袭和转移,抑制肿瘤新生血管生成,抑制肿瘤的多药耐药性。
具体实施方式
本发明是一种西瑞香素衍生物,或其立体异构体、水合物、酯、溶剂化物、共晶体、代谢产物、药学上可接受的盐或前药,具有通式I所示的结构:
其中,n选自0-4的整数,R选自-CH3、-CH=CH2、-OCH2CH2OH、-OC(CH3)3、-N(CH3)2、-OCH2CH2NHCH2NH2、-NHCH3、或者,n选自1-4的整数,R选自-H、-OCH3。
优选的,上述的西瑞香素衍生物,或其立体异构体、水合物、酯、溶剂化物、共晶体、代谢产物、药学上可接受的盐或前药中,其中西瑞香素衍生物选自:
本发明的西瑞香素衍生物,或其立体异构体、水合物、酯、溶剂化物、共晶体、代谢产物、药学上可接受的盐或前药在制备治疗肿瘤疾病的药物中的应用。优选的,所述肿瘤疾病包括乳腺癌、肝癌、结直肠癌、卵巢癌、宫颈癌、胃癌、肺癌、白血病、胶质瘤和鼻咽癌中的一种或多种。
制备时可以采用下列的方法一、方法二、方法三或方法四:
方法一:
西瑞香素在碱性条件下与各种单溴取代物反应,脱去溴化氢,制得通式I所示西瑞香素衍生物;其中,R1为-CH3或-CH=CH2;
方法二:
西瑞香素在碱性条件下与各种二溴取代物反应,脱去溴化氢,制得单烷基化产物,并进一步与仲胺化合物或叔丁醇钠反应,得到通式Ⅰ所示西瑞香素衍生物;其中,
仲胺可以选自二甲胺,甲胺,吗啉或1-羟乙基吡唑
n=3时,R2为-N(CH3)2;
方法三:
西瑞香素在碱性条件下与二氯取代物反应,脱去氯化氢,并进一步与仲胺化合物反应,得到通式Ⅰ所示西瑞香素衍生物;
方法四:
为了对本发明的技术特征、目的和有益效果有更加清楚的理解,现对本发明的技术方案进行以下详细说明,但不能理解为对本发明的可实施范围的限定。下述实施例中所述实验方法,如无特殊说明,均为常规方法;所述试剂和材料,如无特殊说明,均可从商业途径获得。
实施例1
本实施例提供一种西瑞香素衍生物(7-甲基西瑞香素),其结构式如下:
本实施例的西瑞香素衍生物是通过如下方法制备得到的:
反应瓶中加入西瑞香素73.6mg(0.2mmol),无水丁酮150ml,碳酸钾0.2g,0.5ml碘甲烷,加热回流,TLC检测至原料点消失,过滤除去碳酸钾,200-300目硅胶柱层析,得白色固体。对其进行光谱分析验证,数据如下:
1H NMR(400MHz,Pyr-d5)δ7.82(1H,s),7.70(1H,d,J=6.4Hz),7.50(1H,d,J=5.6Hz),7.24(1H,d,J=1.6Hz),7.19(1H,dd,J=5.6,1.6Hz),7.15(1H,s),6.38(1H,d,J=6.0Hz),3.86(3H,s),3.84(3H,s).
实施例2
本实施例提供一种西瑞香素衍生物(7-(2-烯丙基)西瑞香素),其结构式如下:
本实施例的西瑞香素衍生物是通过如下方法制备得到的:
反应瓶中加入西瑞香素73.6mg(0.2mmol),无水丁酮100ml,碳酸钾0.2g,烯丙基溴0.5ml,加热回流,TLC检测至原料点消失,过滤除去碳酸钾,200-300目硅胶柱层析,得白色固体。对其进行光谱分析验证,数据如下:
1H NMR(400MHz,Pyr-d5)δ7.81(1H,s),7.70(1H,d,J=6.0Hz),7.51(1H,d,J=5.6Hz),7.26(1H,s),7.25(1H,d,J=1.6Hz),7.20(1H,s),7.18(1H,dd,J=11.2,2.0Hz),6.39(1H,d,J=6.4Hz),6.15(1H,m),5.55(1H,d,J=11.6Hz),5.32(1H,d,J=11.6Hz),4.73(2H,brs),3.85(3H,s).
实施例3
本实施例提供一种西瑞香素衍生物(7-[2-(2-氨甲基胺)乙基]西瑞香素),其结构式如下:
本实施例的西瑞香素衍生物是通过如下方法制备得到的:
反应瓶中加入西瑞香素73.6mg(0.2mmol),无水丁酮100ml,碳酸钾0.2g,2-1-氯-2-(2-氯乙氧基)乙烷1ml,碘化钾5mg,加热回流,TLC检测至原料点消失。冷却后加入亚甲二胺二盐酸盐200mg,碳酸钾0.5g,加热回流2小时,过滤除去碳酸钾,200-300目硅胶柱层析,得黄白色固体。对其进行光谱分析验证,数据如下:
1H NMR(400MHz,Pyr-d5)δ7.82(1H,s),7.69(1H,d,J=6.4Hz),7.49(1H,d,J=6.0Hz),7.26(1H,s),7.25(1H,m),7.20(1H,s),7.24(1H,s),7.18(1H,s),7.16(1H,d,J=4.8Hz),6.37(1H,d,J=6.0Hz),4.50(1H,m),4.42(1H,m),4.36(1H,m),4.30(1H,m),4.00(1H,m),3.91(2H,m),3.85(3H,s),3.77(1H,m),3.70(2H,m).
实施例4
本实施例提供一种西瑞香素衍生物(7-[2-(2-羟乙氧基)乙基]西瑞香素),其结构式如下:
本实施例的西瑞香素衍生物是通过如下方法制备得到的:
反应瓶中加入西瑞香素73.6mg(0.2mmol),无水丁酮100ml,碳酸钾0.2,2-(2-氯乙氧基)乙醇1ml,碘化钾5mg,加热回流,TLC检测至原料点消失,过滤除去碳酸钾,200-300目硅胶柱层析,得白色固体。对其进行光谱分析验证,数据如下:
1H NMR(400MHz,Pyr-d5)δ7.70(1H,d,J=6.4Hz),7.60(1H,s),7.50(1H,d,J=5.6Hz),7.24(1H,s),7.19(1H,d,J=2.8Hz),7.18(1H,dd,J=5.2,2.8Hz),7.15(1H,s),7.18(1H,s),6.38(1H,d,J=6.4Hz),4.35(2H,m),4.02(4H,m),3.83(2H,m),3.78(3H,s).
实施例5
本实施例提供一种西瑞香素衍生物(7-(3-二甲氨基)丙基西瑞香素),其结构式如下:
本实施例的西瑞香素衍生物是通过如下方法制备得到的:
反应瓶中加入西瑞香素73.6mg(0.2mmol),无水丁酮100ml,碳酸钾0.2g,1,3-二溴丙烷1ml,加热回流,TLC检测至原料点消失,冷却,加入碳酸钾0.5g,二甲胺盐酸盐0.5g,过滤除去碳酸钾,200-300目硅胶柱层析,得白色固体。对其进行光谱分析验证,数据如下:
1H NMR(400MHz,Pyr-d5)δ7.82(1H,s),7.69(1H,d,J=7.6Hz),7.50(1H,d,J=6.8Hz),7.25(1H,d,J=1.7Hz),7.19(1H,dd,J=6.4,1.7Hz),7.18(1H,s),6.38(1H,d,J=7.6Hz),4.16(2H,t,J=5.2Hz),3.85(3H,s),2.82(1H,m),2.51(6H,s),2.03(1H,m),1.70(2H,m).
实施例6
本实施例提供一种西瑞香素衍生物(7-(4-叔丁氧基)丁基西瑞香素),其结构式如下:
本实施例的西瑞香素衍生物是通过如下方法制备得到的:
反应瓶中加入西瑞香素73.6mg(0.2mmol),无水丁酮150ml,碳酸钾0.2g,1,4-二溴丁烷1ml,加热回流,TLC检测至原料点消失,过滤,回收溶剂。加入THF,叔丁醇钠0.2g,室温搅拌5h,加盐酸调剂PH至7,回收溶剂,乙酸乙酯萃取,200-300目硅胶柱层析,得白色固体。对其进行光谱分析验证,数据如下:
1H NMR(400MHz,Pyr-d5)δ7.84(1H,s),7.71(1H,d,J=7.6Hz),7.51(1H,d,J=6.8Hz),7.24(1H,d,J=2.0Hz),7.19(1H,dd,J=6.8,2.0Hz),7.16(1H,s),6.39(1H,d,J=7.6Hz),4.14(2H,t,J=5.1Hz),3.86(3H,s),3.56(2H,br s),1.91(2H,m),1.70(2H,m),1.54(9H,s).
实施例7
本实施例提供一种西瑞香素衍生物(7-[1-(2-羟乙基)吡唑烷基]丁基西瑞香素),其结构式如下:
本实施例的西瑞香素衍生物是通过如下方法制备得到的:
反应瓶中加入西瑞香素73.6mg(0.2mmol),无水丁酮100ml,碳酸钾0.2g,1,3-二溴丁烷1ml,加热回流,TLC检测至原料点消失,冷却,加入碳酸钾0.5g,1-(2-羟乙基)吡唑,加热回流2h,过滤除去碳酸钾,200-300目硅胶柱层析,得白色固体。对其进行光谱分析验证,数据如下:
1H NMR(400MHz,Pyr-d5)δ7.72(1H,d,J=6.8Hz),7.60(1H,s),7.52(1H,d,J=6.8Hz),7.24(1H,s),7.20(1H,d,J=1.8Hz),7.19(1H,dd,J=6.0,1.8Hz),7.16(1H,s),6.38(1H,d,J=7.6Hz),4.14(2H,t,J=5.2Hz),4.03(2H,t,J=4.4Hz),3.86(3H,s),2.82(4H,m),2.63(2H,br s),2.42(2H,t,J=5.6Hz),1.92(2H,m),1.75(2H,m),1.31(2H,m).
实施例8
本实施例提供一种西瑞香素衍生物(7-(4-二甲氨基)丁基西瑞香素),其结构式如下:
本实施例的西瑞香素衍生物是通过如下方法制备得到的:
反应瓶中加入西瑞香素73.6mg(0.2mmol),无水丁酮100ml,碳酸钾0.2g,1,4-二溴丁烷1ml,加热回流,TLC检测至原料点消失,冷却,加入碳酸钾0.5g,二甲胺盐酸盐0.5g,过滤除去碳酸钾,200-300目硅胶柱层析,得白色固体。对其进行光谱分析验证,数据如下:
1H NMR(400MHz,Pyr-d5)δ7.63(1H,d,J=9.6Hz),7.42(1H,d,J=8.8Hz),7.39(1H,s),6.96(1H,dd,J=8.4,2.0Hz),6.91(1H,d,J=2.0Hz),6.80(1H,s),6.29(1H,d,J=9.6Hz),4.27(1H,m),4.09(2H,t,J=6.0Hz),3.87(3H,s),3.48(2H,t,J=6.0Hz),2.05(3H,t,J=5.2Hz),1.68(2H,m),1.40(2H,m).
实施例9
本实施例提供一种西瑞香素衍生物(7-(4-吗啉)丁基西瑞香素),其结构式如下:
本实施例的西瑞香素衍生物是通过如下方法制备得到的:
反应瓶中加入西瑞香素73.6mg(0.2mmol),无水丁酮100ml,碳酸钾0.2g,1,4-二溴丁烷1ml,加热回流,TLC检测至原料点消失,冷却,加入碳酸钾0.5g,吗啉0.5g,加热回流2h,过滤除去碳酸钾,200-300目硅胶柱层析,得白色固体。对其进行光谱分析验证,数据如下:
1H NMR(400MHz,Pyr-d5)δ7.85(1H,s),7.72(1H,d,J=7.6Hz),7.52(1H,d,J=6.8Hz),7.24(1H,d,J=1.6Hz),7.19(1H,dd,J=8.8,1.6Hz),7.17(1H,s),6.38(1H,d,J=7.6Hz),4.16(2H,t,J=5.2Hz),3.86(3H,s),3.74(4H,t,J=3.6Hz),3.54(1H,m),2.39(2H,br s),2.39(1H,overlapped),6.29(1H,d,J=9.6Hz),2.33(2H,t,J=6.4Hz),1.94(2H,m),1.72(2H,m).
实施例10
本实施例提供一种西瑞香素衍生物(7-(4-甲氨基)丁基西瑞香素),其结构式如下:
本实施例的西瑞香素衍生物是通过如下方法制备得到的:
在反应瓶中加入西瑞香素73.6mg(0.2mmol),无水丁酮100ml,碳酸钾0.2g,1,4-二溴丁烷1ml,加热回流,TLC检测至原料点消失,冷却,加入碳酸钾0.5g,甲胺醇溶液2ml加热回流2h,过滤除去碳酸钾,200-300目硅胶柱层析,得白色固体。对其进行光谱分析验证,数据如下:
1H NMR(400MHz,Pyr-d5)δ7.84(1H,s),7.70(1H,d,J=6.8Hz),7.51(1H,d,J=6.8Hz),7.25(1H,d,J=1.8Hz),7.19(1H,dd,J=8.4,1.8Hz),7.18(2H,s),6.39(1H,d,J=7.6Hz),4.17(2H,t,J=5.2Hz),3.86(3H,s),2.52(3H,s),2.39(2H,t,J=6.0Hz),1.95(2H,m),1.74(2H,m).
实验例
对西瑞香素以及上述实施例1-10的西瑞香素衍生物进行对肿瘤细胞增殖能力的影响实验。
采用MTT法检测本发明的化合物对人结肠癌SW480,HCT116,人鼻咽癌CNE2,人胶质瘤U87和T98G细胞的增殖抑制作用,具体步骤为:取对数生长期的三种肿瘤细胞,接种于96孔板,每孔所含细胞约4000个。细胞用含10%胎牛血清的RPMI 1640培养基于37℃,5%CO2下培养24h后,分别加入不同浓度实施例化合物的DMSO溶液,设置6个复孔,加药后继续孵育。分别在加药后24和48h终止实验,每孔加入1mg/mL MTT溶液10μL,4h后,再每孔加入DMSO50μL,充分混匀后于酶标仪490nm下测定吸光度OD值,计算生长抑制率。抑制率(%)=(1-实验组OD平均值/对照组OD平均值)×100%。实验结果如下表1所示。
表1西瑞香素衍生物对肿瘤细胞株的增殖抑制作用
由上表可见,本发明实施例的西瑞香素衍生物显示出较好的抗肿瘤活性,其抗肿瘤活性明显好于西瑞香素,可以作为一类新型高效低毒的抗肿瘤药物。
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