CN111171060A - 含吡啶的氟硼二吡咯及其季铵盐类光敏剂与制备方法和用途 - Google Patents
含吡啶的氟硼二吡咯及其季铵盐类光敏剂与制备方法和用途 Download PDFInfo
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K41/00—Medicinal preparations obtained by treating materials with wave energy or particle radiation ; Therapies using these preparations
- A61K41/0057—Photodynamic therapy with a photosensitizer, i.e. agent able to produce reactive oxygen species upon exposure to light or radiation, e.g. UV or visible light; photocleavage of nucleic acids with an agent
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
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- Epidemiology (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pyridine Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
本发明属药物合成领域,涉及通式(I)的含吡啶的氟硼二吡咯类化合物及其季铵盐,尤其涉及吡啶季铵盐类光敏剂,及其制备方法和在医学上的应用。本发明的化合物通过体外光敏化效率以及肿瘤细胞抑制活性测试,结果显示,所述的化合物具有良好的抗肿瘤活性,可进一步制备新的抗肿瘤药物,用于治疗无特异性的广泛肿瘤,如胃癌、乳腺癌、前列腺癌、肺癌、结肠癌、膀胱癌、卵巢癌、皮肤癌、子宫颈癌。
Description
技术领域
本发明属药物合成领域,涉及新型含吡啶的氟硼二吡咯及其季铵盐类光敏剂,及其制备方法和应用。具体涉及一种含吡啶的氟硼二吡咯及其季铵盐类光敏剂,及其制备方法和制药中的用途。
背景技术
据报道,恶性肿瘤已成为严重危害人民生命健康的常见病,。据不完全统计,全世界每年约有2000万的新发病例;我国每年的新发病例约为160-200万,死亡130万。目前常用于治疗恶性肿瘤的方法包括放射治疗、化学治疗和外科手术治疗等,研究显示,由于肿瘤细胞早期具有转移的能力,临床诊断原发肿瘤中约50%的患者已产生远位转移,且肿瘤细胞増长快、易变异,从而化学治疗中常产生多药耐药,导致化疗失败;据有关统计,其中90%以上与肿瘤细胞的多药耐药相关,目前临床实践中应用的抗肿瘤药物远不能满足治疗的要求。
资料记载了光动力治疗(Photodynamic therapy,PDT)是一种利用光动力效应对肿瘤和其他病理性靶组织进行诊断和治疗的新技术;在特定波长光的照射下,靶向肿瘤部位的光敏剂与组织中的氧分子(3O2)发生反应,产生活性氧物质(ROS),进而氧化肿瘤细胞,实现杀伤肿瘤细胞的作用。业内认为,光动力治疗是一种极具潜力的肿瘤治疗技术,通过光敏剂的肿瘤靶向定位以及对肿瘤部位选择性的照射,极大地降低了全身系统毒性。
氟硼二吡咯(BODIPY)类光敏剂因其具有高摩尔消光系数、高的单线态氧产率、抗光漂白性以及高的光-暗毒性比等优点已成为近年来光治疗领域的研究热点。有研究显示,BODIPY类光敏剂通过适当修饰可使其最大吸收峰调节至近红外区域,有效增加在PDT中的组织穿透性;重原子能增强自旋轨道耦合,从而易系间蹿跃并增加单线态氧的产率,这称为“重原子效应”;另外,碘原子显示出比其他卤素更加有效的重原子效应.然而也有研究表明,过多的卤素原子取代的硼二吡咯亚甲基BODIPY光敏剂不利于提高其单线态氧产率,并且,增加卤素原子会增加光敏剂的暗毒性组织穿透深度是实际光动力治疗的主要挑战;具有生物相容性和高效近红外(NIR)-吸收咔唑取代BODIPY(Car-BDP)分子被报道为一类可成像的深部组织活性PDT光敏剂;Car-BDP具有强烈,广泛的近红外光谱吸收带(600-800nm),并且有非常高的单线态氧产率。
基于业内共识:光敏剂应该具有良好的水溶性和脂溶性,尤其具有两亲性;一方面具有水溶性方便给药,另一方面具有一定的脂溶性有利于药物透过细胞膜。线粒体是细胞呼吸的主要场所,三羧酸循环和氧化磷酸化均在线粒体中进行,当线粒体功能障碍时将导致一系列疾病,如败血症、缺血再灌注损伤和糖尿病等。肿瘤细胞与正常细胞线粒体在结构及功能上的差异,肿瘤细胞线粒体跨膜电势明显高于正常细胞,药物将以此为基础,选择性地积聚于肿瘤细胞线粒体内,从而抑制肿瘤细胞生长,并引发细胞凋亡。
基于现有技术的现状和基础,基于有关荧光探针研究,吡啶季铵盐化可以改善水溶性、赋予线粒体靶向能力,且有较低毒性(Chem.Commun.,2013,49,10620-10622;Org.Biomol.Chem.,2013,11,555-558);本申请的发明人拟提供一种含吡啶的氟硼二吡咯及其季铵盐类光敏剂,及其制备方法和制药中的用途;含吡啶及吡啶季铵盐的BODIPY结构既能满足光敏剂制备的结构要求,有可能改善光敏剂的水溶性、并且能靶向线粒体而具有更好的抗肿瘤效果。
发明内容
本发明的目的是基于现有技术的现状和基础,提供具有良好的抗肿瘤活性的新型含吡啶的氟硼二吡咯及其季铵盐类化合物,其主要优点是能在于长波长吸收,水溶性佳,线粒体靶向等。
本发明的含吡啶的氟硼二吡咯及其季铵盐类光敏剂化合物为含吡啶,咔唑以及聚乙二醇链的BODIPY骨架化合物,具有通式(I)的结构,
更具体的,本发明的含吡啶的氟硼二吡咯及其季铵盐类化合物具有下述结构:
本发明的另一目的是提供上述新型含吡啶的氟硼二吡咯及其季铵盐类化合物制备方法。
以化合物4为例,本发明的化合物的制备过程如下:
本发明所述的化合物通过体外光敏化效率及细胞水平测试,结果显示,所述的化合物具有良好的肿瘤抑制活性,较Car-BDP化合物提高明显,可进一步研发为新型含吡啶的氟硼二吡咯及其吡啶季铵盐类光敏剂和抗肿瘤药物。
本发明进行了体外试验,对Hela宫颈癌细胞,SW480结肠癌细胞及A549非小细胞肺癌细胞分别进行抗肿瘤活性测试,结果显示,本发明的化合物显示出较好活性氧产率和抗肿瘤活性,其中化合物1,3,4和5在DMF中光敏化效率值对比酞菁锌染料(0.56)单线态氧产率值分别为0.45,0.44,0.42和0.30;并且在试验条件下化合物2,4,6对三种肿瘤细胞的IC50低于2μM。
本发明的化合物进一步可制备新型含吡啶的的氟硼二吡咯类光敏剂。
进一步,本发明的含吡啶的氟硼二吡咯类化合物可用于制备治疗恶性肿瘤的药物;所述的恶性肿瘤是无特异性的广泛肿瘤,选自胃癌、乳腺癌、前列腺癌、肺癌、结肠癌、膀胱癌、卵巢癌、皮肤癌、子宫颈癌。
具体实施方式
实施例1合成化合物1
1)合成2-(2-(2-甲氧基乙氧基)乙氧基)乙基4-甲基苯磺酸盐
2g 2-(2-(2-甲氧基乙氧基)乙氧基)乙醇和2.2g对甲苯磺酸溶于80mL二氯甲烷和80mL四氢呋喃的混合溶液,滴入1.4mL三乙胺,氩气保护,室温搅拌24h,TLC监测反应完全,减压蒸去THF和DCM,加入乙酸乙酯和水各150ml震摇分层,水层乙酸乙酯萃取,合并有机层,饱和氯化钠洗,无水硫酸钠干燥,减压蒸去溶剂,柱层析纯化,PE:EA=1:4洗脱得纯化的产物3.16g,产率81.6%,MS(ESI)m/z([M+H]+):319.1;
2)合成9-(2-(2-(2-甲氧基乙氧基)乙氧基)乙基)-9H-咔唑
2.4g咔唑溶于干燥15mLDMF中,加入577mg 60%NaH(乙醚),氩气保护,冰浴搅拌30分钟,后室温搅拌50分钟,得氮负离子亲核体。将此混合溶液缓慢滴于5.4g 2-(2-(2-甲氧基乙氧基)乙氧基)乙基4-甲基苯磺酸盐的干燥DMF溶液中,氩气保护,冰浴搅拌10分钟,室温搅拌30分钟。TLC监测反应完全,加入冰水淬灭反应。水层用乙酸乙酯(150ml×3)萃取,合并有机层,饱和氯化钠洗,无水硫酸钠干燥,减压蒸去溶剂,柱层析纯化得产物3.2g,产率:75%,MS(ESI)m/z([M+H]+):314.3;
3)合成9-(2-(2-(2-甲氧基乙氧基)乙氧基)乙基)-9H-咔唑-3-甲醛
在25mL双口瓶中加入10mL干燥DMF,冰浴,氩气保护。缓慢滴加2.4mLPOCl3,冰浴条件下搅拌30分钟,制得Vilsmeier试剂;
1.2g 9-(2-(2-(2-甲氧基乙氧基)乙氧基)乙基)-9H-咔唑溶于12mL干燥DMF溶液中。冰浴条件下将所制得Vilsmeier试剂加入,氩气保护,搅拌20分钟。恢复至室温后升温至80℃搅拌7小时;将反应液倒入冰水中,用饱和NaHCO3溶液调节Ph至中性,搅拌小时,水层用乙酸乙酯(150ml×3)萃取,合并有机层,饱和氯化钠洗,无水硫酸钠干燥,减压蒸去溶剂,柱层析PE:EA=1:4纯化得产物800mg,产率:62%,MS(ESI)m/z([M+H]+):342.3;
4)合成1,3,5,7-四甲基-8-(2-吡啶基)-4,4'-二氟硼二吡咯
470mg 2-吡啶甲醛和920mg 2,4-二甲基吡咯溶于250mL干燥DCM中,加入催化量的TFA,氩气保护,室温搅拌24小时,减压蒸去部分DCM至溶液体积为70mL,加入1.5g 2,3-二氯-5,6-二氰对苯醌,氩气保护,室温搅拌2小时。加入7mL三乙胺和7mL三氟化硼乙醚溶液,氩气保护,室温搅拌过夜,减压除去溶剂,将残余固体溶于150mL DCM中,水洗涤三遍,无水硫酸钠干燥,减压蒸去溶剂,柱层析纯化DCM/PE=1/3得橘黄色固体390mg。产率:27%,MS(ESI)m/z([M+H]+):326.2;
5)合成2,6-二碘-1,3,5,7-四甲基-8-(2-吡啶基)-4,4'-二氟硼二吡咯
化合物1,3,5,7-四甲基-8-(2-吡啶基)-4,4'-二氟硼二吡咯(100mg),置于25mL茄形瓶中,加入HOAc/DCM=1/3(6ml)溶解。加入340mg N-碘代丁二酰亚胺,室温搅拌1h,TLC监测反应完全,加入20mL饱和硫代硫酸钠溶液洗涤,20mL水洗涤,20mL饱和NaHCO3水溶液洗涤,无水硫酸钠干燥,减压蒸去溶剂,柱层析PE:EA=1:1,得褐色固体142mg,产率:80%,MS(ESI)m/z([M+H]+):578.0,1H NMR(400MHz,CDCl3)δ8.80(d,J=4.1Hz,1H),7.87(t,J=7.8Hz,1H),7.53–7.44(m,1H),7.40(d,J=7.8Hz,1H),2.64(s,6H),1.30(s,6H);
6)合成化合物1
将化合物2,6-二碘-1,3,5,7-四甲基-8-(2-吡啶基)-4,4'-二氟硼二吡咯(100mg),9-(2-(2-(2-甲氧基乙氧基)乙氧基)乙基)-9H-咔唑-3-甲醛(300mg)溶于甲苯(10mL)中,再加入冰醋酸(0.1mL),哌啶(0.1mL),在双颈烧瓶中回流10h,反应结束后撤去油浴,二氯甲烷和水(25mL×3)萃取,无水硫酸钠干燥后过滤并蒸去溶剂,以CH2Cl2/MeOH(30:1,v/v,三乙胺1%)柱层析纯化得到绿色固体BODIPY 9 42mg。产率:19.8%,1H NMR(400MHz,CDCl3)δ8.84(d,J=3.6Hz,1H),8.45(d,J=16.6Hz,2H),8.34-8.33(m,2H),8.15(d,J=7.7Hz,2H),7.90-7.83(m,4H),7.79-7.78(m,1H),7.51-7.48(m,8H),7.25-7.22(m,2H),4.51(t,J=5.5Hz,4H),3.89(t,J=5.4Hz,4H),3.52-3.51(m,4H),3.50-3.49(m,4H),3.45-3.44(m,4H),3.41-3.40(m,4H),3.32(s,6H),1.40(s,6H)。
实施例2合成化合物2
化合物1 40mg于封管中,加入0.5mL碘甲烷,60℃反应12小时,待碘甲烷挥发完全,加入少量DCM使其刚好溶解,加入甲基叔丁基醚析出紫黑色固体,抽滤,干燥,得产物29mg,产率65%,1H NMR(400MHz,CDCl3)δ8.68(s,1H),8.59(d,J=16.1Hz,2H),8.42(s,1H),8.35-8.34(m,2H),8.16-8.14(m,2H),8.05(s,1H),7.89-7.87(m,2H),7.80-7.75(m,2H),7.58-7.56(m,2H),7.50-7.49(m,5H),7.26-7.25(m,2H),4.54(s,7H),3.92-3.91(m,4H),3.54-3.53(m,4H),3.51-3.50(m,4H),3.46-3.65(m,4H),3.42-3.40(m,4H),3.32(s,6H),1.36(s,6H)。
实施例3:合成化合物3
1)合成1,3,5,7-四甲基-8-(3-吡啶基)-4,4'-二氟硼二吡咯
470mg 3-吡啶甲醛和920mg 2,4-二甲基吡咯溶于250mL干燥DCM中,加入催化量的TFA,氩气保护,室温搅拌24小时。减压蒸去部分DCM至溶液体积为70mL,加入1.5g 2,3-二氯-5,6-二氰对苯醌,氩气保护,室温搅拌2小时。加入7mL三乙胺和7mL三氟化硼乙醚溶液,氩气保护,室温搅拌过夜,减压除去溶剂,将残余固体溶于150mL DCM中,水洗涤三遍,无水硫酸钠干燥,减压蒸去溶剂,柱层析纯化DCM/PE=1/3得橘黄色固体195mg,产率:13.5%,MS(ESI)m/z([M+H]+):326.2;
2)合成2,6-二碘-1,3,5,7-四甲基-8-(3-吡啶基)-4,4'-二氟硼二吡咯
化合物1,3,5,7-四甲基-8-(3-吡啶基)-4,4'-二氟硼二吡咯(100mg),置于25mL茄形瓶中,加入HOAc/DCM=1/3(6ml)溶解。加入340mg N-碘代丁二酰亚胺,室温搅拌1h,TLC监测反应完全。加入20mL饱和硫代硫酸钠溶液洗涤,20mL水洗涤,20mL饱和NaHCO3水溶液洗涤,无水硫酸钠干燥,减压蒸去溶剂,柱层析PE:EA=1:1,得褐色固体142mg,产率:80%,MS(ESI)m/z([M+H]+):578.0。1H NMR(400MHz,CDCl3)δ8.83(d,J=3.3Hz,1H),8.56(s,1H),7.65(d,J=8.0Hz,1H),7.57-7.49(m,1H),2.66(s,6H),1.40(s,6H);
3)合成化合物3
将化合物2,6-二碘-1,3,5,7-四甲基-8-(3-吡啶基)-4,4'-二氟硼二吡咯(200mg),9-(2-(2-(2-甲氧基乙氧基)乙氧基)乙基)-9H-咔唑-3-甲醛(591mg)溶于甲苯(15mL)中,再加入冰醋酸(0.1mL),哌啶(0.1mL),在双颈烧瓶中回流10h。反应结束后撤去油浴,二氯甲烷和水(50mL×3)萃取,无水硫酸钠干燥后过滤并蒸去溶剂,以CH2Cl2/MeOH(30:1,v/v,三乙胺1%)柱层析纯化得到绿色固体BODIPY 9 200mg。产率:47%,1H NMR(400MHz,CDCl3)δ8.83(d,J=4.7Hz,1H),8.63(s,1H),8.47(d,J=16.6Hz,2H),8.35-8.34(s,2H),8.15(d,J=7.7Hz,2H),7.87-7.83(m,3H),7.79-7.78(m,1H),7.69(d,J=8.3Hz,1H),7.53-7.47(m,7H),7.25-7.23(m,2H),4.53(t,J=5.2Hz,4H),3.90(t,J=5.4Hz,4H),3.53-3.52(m,8H),3.51-3.50(m,4H),3.41-3.10(m,4H),3.32(s,6H),1.49(s,6H)。
实施例4:合成化合物4
化合物3 40mg于封管中,加入0.5mL碘甲烷,60℃反应12小时,待碘甲烷挥发完全,加入少量DCM使其刚好溶解,加入甲基叔丁基醚析出紫黑色固体,抽滤,干燥,得产物36mg,产率81%,1H NMR(400MHz,CDCl3)δ9.64(s,1H),9.03(s,1H),8.40(d,J=16.3Hz,2H),8.22-8.17(m,4H),8.07(d,J=7.4Hz,2H),7.75-7.68(m,4H),7.41-7.40(m,6H),7.20-7.17(s,2H),4.71(s,3H),4.37-4.36(m,4H),3.79-3.78(m,4H),3.46-3.44(m,8H),3.40-3.39(m,4H),3.36-3.35(m,4H),3.27(s,6H),1.36(s,6H)。
实施例5:合成化合物5
1)合成1,3,5,7-四甲基-8-(4-吡啶基)-4,4'-二氟硼二吡咯
470mg 4-吡啶甲醛和920mg 2,4-二甲基吡咯溶于250mL干燥DCM中,加入催化量的TFA,氩气保护,室温搅拌24小时。减压蒸去部分DCM至溶液体积为70mL,加入1.5g 2,3-二氯-5,6-二氰对苯醌,氩气保护,室温搅拌2小时。加入7mL三乙胺和7mL三氟化硼乙醚溶液,氩气保护,室温搅拌过夜。减压除去溶剂,将残余固体溶于150mL DCM中,水洗涤三遍,无水硫酸钠干燥,减压蒸去溶剂,柱层析纯化DCM/PE=1/3得橘黄色固体130mg,产率:9%。
2)合成2,6-二碘-1,3,5,7-四甲基-8-(4-吡啶基)-4,4'-二氟硼二吡咯;
化合物1,3,5,7-四甲基-8-(4-吡啶基)-4,4'-二氟硼二吡咯(100mg),置于25mL茄形瓶中,加入HOAc/DCM=1/3(6ml)溶解。加入340mg N-碘代丁二酰亚胺,室温搅拌1h,TLC监测反应完全。加入20mL饱和硫代硫酸钠溶液洗涤,20mL水洗涤,20mL饱和NaHCO3水溶液洗涤,无水硫酸钠干燥,减压蒸去溶剂,柱层析PE:EA=1:1,得褐色固体142mg。产率:80%。MS(ESI)m/z([M+H]+):578.0。1H NMR(400MHz,CDCl3)δ8.83(d,J=4.1Hz,2H),7.30(d,J=3.7Hz,2H),2.66(s,6H),1.43(s,6H).,
3)合成化合物5
将化合物2,6-二碘-1,3,5,7-四甲基-8-(4-吡啶基)-4,4'-二氟硼二吡咯(100mg),9-(2-(2-(2-甲氧基乙氧基)乙氧基)乙基)-9H-咔唑-3-甲醛(300mg)溶于甲苯(10mL)中,再加入冰醋酸(0.1mL),哌啶(0.1mL),在双颈烧瓶中回流10h。反应结束后撤去油浴,二氯甲烷和水(25mL×3)萃取,无水硫酸钠干燥后过滤并蒸去溶剂,以CH2Cl2/MeOH(30:1,v/v,三乙胺1%)柱层析纯化得到绿色固体BODIPY 9 120mg。产率:56%,1H NMR(400MHz,CDCl3)δ8.84-8.83(m,2H),8.47(d,J=16.0Hz,2H),8.36-8.35(m,2H),8.25–8.13(m,2H),7.88-7.73(m,4H),7.52-7.48(m,6H),7.39-7.38(m,2H),7.26-7.22(m,2H),4.43-4.41(m,4H),3.91-3.90(m,4H),3.53-3.50(m,8H),3.46-3.45(m,4H),3.41-3.30(m,4H),3.32-3.31(m,6H),1.51(s,6H)。
实施例6:合成化合物6
化合物5 40mg于封管中,加入0.5mL碘甲烷,60℃反应12小时。待碘甲烷挥发完全,加入少量DCM使其刚好溶解,加入甲基叔丁基醚析出紫黑色固体,抽滤,干燥,得产物32mg,产率72%。1H NMR(400MHz,CDCl3)δ9.33-9.32(m,2H),8.39(d,J=16.6Hz,2H),8.24-8.23(m,2H),8.07(d,J=7.0Hz,2H),7.92-7.90(m,2H),7.80(d,J=8.3Hz,2H),7.72(d,J=16.5Hz,2H),7.43-7.42(m,6H),7.15-7.14(m,2H),4.54(s,3H),4.42-4.41(m,4H),3.82-3.81(m,4H),3.48-3.47(m,4H),3.47-3.46(m,4H),3.44-3.43(m,4H),3.40-3.39(m,4H),3.29(s,6H),1.31(s,6H)。
实施例7:单线态氧产率测试
将化合物BODIPY 1、2、3、4、5、6、Car-BDP和ZnPc配制成2mL DMF溶液(2μM),吸取单线态氧探针DPBF(100μM)2mL于六中不同化合物溶液中配制成4mL溶液,根据紫外可见吸收光谱,选择合适的截止波长滤光片(500nm),卤素灯与溶液距离30cm,分别于照射时间为10,20,30,40,50s,60s进行紫外可见扫描,记录415nm(DPBF最大吸收波长)处吸光度变化,结果如表1所示,结果表明,本发明中化合物1,3,4和5显示出较好的单线态氧产率。
表1本发明化合物的单线态氧产率测试结果
化合物 | 1 | 3 | 5 | 2 | 4 | 6 | Car-BDP | ZnPc |
Φ<sub>Δ</sub> | 0.45 | 0.44 | 0.42 | 0.13 | 0.30 | 0.09 | 0.36 | 0.56 |
。
实施实例8:体外抗肿瘤细胞活性测试
通过MTT法测定此类新型光敏剂的体外细胞抗肿瘤活性,Hela、SW-480和A549细胞分别以每孔5000个细胞种于96孔板中,孵育24h。弃去培养液,每孔加入100μL含有一系列不同浓度的光敏剂,每个浓度均设置5个复孔,阳性对照组加入不含样品的DMEM培养液,空白对照组加入灭菌纯水,孵育5h后采用光照功率90mW/cm2,给予光剂量54J照射细胞。孵育24h后,吸去培养液,加入100μL的0.5mg/mL MTT的DMEM溶液,继续孵育4h。吸去MTT培养液,每孔加入100μL的DMSO,平板摇床震荡10min,酶标仪测定其OD值(570nm);
结果如表2所示,结果表明,本发明中化合物显示出较好的抗肿瘤活性,较化合物Car-BDP有明显提升,其中化合物2,4和6在实验条件下对肿瘤细胞的抑制活性IC50值小于2μM,本发明的化合物可以进一步制备抗肿瘤细胞光敏剂,作为新型抗肿瘤药物。
表2是本发明化合物的肿瘤细胞抑制活性IC50值结果(单位:μM)。
表2
Claims (10)
8.权利要求1的含吡啶的氟硼二吡咯类化合物在制备抗肿瘤光敏剂中的用途。
9.权利要求1的含吡啶的氟硼二吡咯类化合物在制备治疗恶性肿瘤药物中的用途。
10.按权利要求9的用途,其特征在于,所述的恶性肿瘤是无特异性的广泛肿瘤,选自胃癌、乳腺癌、前列腺癌、肺癌、结肠癌、膀胱癌、卵巢癌、皮肤癌、子宫颈癌。
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