CN109438249A - 一种苯甲酸衍生物及其用途 - Google Patents

一种苯甲酸衍生物及其用途 Download PDF

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CN109438249A
CN109438249A CN201811461871.8A CN201811461871A CN109438249A CN 109438249 A CN109438249 A CN 109438249A CN 201811461871 A CN201811461871 A CN 201811461871A CN 109438249 A CN109438249 A CN 109438249A
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benzoic acid
acid derivative
methoxyl
nitro
amino
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陈建军
李玲
吕琳
全东令
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Southern Medical University
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    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/49Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups
    • C07C205/57Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups having nitro groups and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
    • C07C205/59Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups having nitro groups and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton the carbon skeleton being further substituted by singly-bound oxygen atoms
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/39Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by esterified hydroxy groups
    • C07C205/42Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by esterified hydroxy groups having nitro groups or esterified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
    • C07C205/43Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by esterified hydroxy groups having nitro groups or esterified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton to carbon atoms of the same non-condensed six-membered aromatic ring or to carbon atoms of six-membered aromatic rings being part of the same condensed ring system
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    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C219/00Compounds containing amino and esterified hydroxy groups bound to the same carbon skeleton
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    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C229/00Compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C229/52Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton
    • C07C229/54Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton with amino and carboxyl groups bound to carbon atoms of the same non-condensed six-membered aromatic ring
    • C07C229/64Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton with amino and carboxyl groups bound to carbon atoms of the same non-condensed six-membered aromatic ring the carbon skeleton being further substituted by singly-bound oxygen atoms
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    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C235/00Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms
    • C07C235/42Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to carbon atoms of six-membered aromatic rings and singly-bound oxygen atoms bound to the same carbon skeleton
    • C07C235/44Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to carbon atoms of six-membered aromatic rings and singly-bound oxygen atoms bound to the same carbon skeleton with carbon atoms of carboxamide groups and singly-bound oxygen atoms bound to carbon atoms of the same non-condensed six-membered aromatic ring
    • C07C235/56Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to carbon atoms of six-membered aromatic rings and singly-bound oxygen atoms bound to the same carbon skeleton with carbon atoms of carboxamide groups and singly-bound oxygen atoms bound to carbon atoms of the same non-condensed six-membered aromatic ring having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a six-membered aromatic ring
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    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C237/00Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups
    • C07C237/28Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a non-condensed six-membered aromatic ring of the carbon skeleton
    • C07C237/44Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a non-condensed six-membered aromatic ring of the carbon skeleton having carbon atoms of carboxamide groups, amino groups and singly-bound oxygen atoms bound to carbon atoms of the same non-condensed six-membered aromatic ring

Abstract

本发明涉及一种苯甲酸衍生物,该衍生物的化学结构如下式(I)所示,式(I)中,X为O或NH,R1为3,4,5‑三甲氧基、3‑硝基‑4‑甲氧基或3‑氨基‑4‑甲氧基,R2为3,4,5‑三甲氧基、3‑硝基‑4‑甲氧基或3‑氨基‑4‑甲氧基。本发明所述的苯甲酸衍生物具有抗肿瘤的生物活性。

Description

一种苯甲酸衍生物及其用途
技术领域
本发明涉及有机化合物,具体涉及苯甲酸衍生物,该化合物可制备治疗疾病的药物。
背景技术
肿瘤已经成为人类健康的第二大杀手,严重危害人类的生活质量。目前仍然没有有效的药物可以治疗肿瘤,因此研究抗肿瘤药物已经成为当今的热门课题。目前抗肿瘤药物结构复杂多样,各个不同结构的化合物显示出优良的抗肿瘤活性。抗肿瘤药物的机理主要包括抑制肿瘤细胞生长必须物质的合成如蛋白质,DNA,核酸等,抑制微管蛋白聚合或解聚以及通过提高自身免疫起到杀灭肿瘤的作用。基于不同机理研制出的抗肿瘤药物主要包括烷化剂、抗代谢药物、抗肿瘤抗生素、抗肿瘤植物药以及免疫治疗药物等。随着人类对肿瘤发生发展机理认识的深入,越来越多的靶点也被开发出来,为药物的设计奠定了基础。
苯甲酸衍生物主要包括苯甲酸酯类,苯酰胺类以及苯甲酸。多项研究表明苯甲酸衍生物具有多方面的生理用途,例如降糖药物瑞格列奈,那格列奈等苯甲酸衍生物,能够刺激胰岛素分泌从而起到调节血糖的作用;作为苯甲酸衍生物的抗痛风药物丙磺舒能够抑制尿酸盐在肾小管的主动重吸收,增加尿酸盐的排泄,降低血中尿酸盐的浓度,从而减少尿酸沉积,可用于慢性痛风的治疗。此外,许多研究表明苯甲酸衍生物在抗病毒,抗寄生虫等也发挥了重要作用。
但是,由于肿瘤的发生是多基因、多步骤突变的结果,因此研发新的苯甲酸骨架的抗肿瘤药物具有重要意义。
发明内容
本发明所要解决的技术问题是提供一种苯甲酸衍生物,该化合物具有抗肿瘤的生物活性。
本发明解决上述技术问题的方案如下:
一种苯甲酸衍生物衍生物,该苯甲酸衍生物的化学结构如下式(I)所示,
式(I)中,X为O或NH,R1为3,4,5-三甲氧基、3-硝基-4-甲氧基或3-氨基-4-甲氧基,R2为3,4,5-三甲氧基、3-硝基-4-甲氧基或3-氨基-4-甲氧基。
本发明所述的苯甲酸衍生物优选下述化合物之一:
当X是O,R1为3-硝基-4-甲氧基,R2为3,4,5-三甲氧基时,所述苯甲酸衍生物的化学结构为
当X是O,R1为3-氨基-4-甲氧基,R2为3,4,5-三甲氧基时,所述苯甲酸衍生物的化学结构为
当X是NH,R1为3-硝基-4-甲氧基,R2为3,4,5-三甲氧基时,所述苯甲酸衍生物的化学结构为
当X是NH,R1为3-氨基-4-甲氧基,R2为3,4,5-三甲氧基时,所述苯甲酸衍生物的化学结构为
当X是O,R1为3,4,5-三甲氧基,R2为3-硝基-4-甲氧基时,所述苯甲酸衍生物的化学结构为
当X是O,R1为3,4,5-三甲氧基,R2为3-氨基-4-甲氧基时,所述苯甲酸衍生物的化学结构为
当X是NH,R1为3,4,5-三甲氧基,R2为3-硝基-4-甲氧基时,所述苯甲酸衍生物的化学结构为
当X是NH,R1为3,4,5-三甲氧基,R2为3-氨基-4-甲氧基时,所述苯甲酸衍生物的化学结构为
上述苯甲酸衍生物的制备方法分别如下:
当X为O,R1为3,4,5-三甲氧基或者3-硝基-4-甲氧基,R2为3,4,5-三甲氧基或者3-硝基-4-甲氧基时,
将取代苯甲酸和取代苯酚进行缩合反应得到,其反应式如下:
当X为NH,R1为3,4,5-三甲氧基或者3-硝基-4-甲氧基,R2为3,4,5-三甲氧基或者3-硝基-4-甲氧基时,
将取代苯甲酸和取代苯胺进行缩合反应得到,其反应式如下:
当X为O,R1为3-氨基-4-甲氧基,R2为3,4,5-三甲氧基或3-氨基-4-甲氧基时,首先将3-硝基-4-甲氧基苯甲酸和取代苯酚进行缩合反应,然后采用钯碳-氢气对硝基进行还原形成胺基后得到,其反应式如下:
当X为NH,R1为3-氨基-4-甲氧基,R2为3,4,5-三甲氧基或3-氨基-4-甲氧基时,首先将3-硝基-4-甲氧基苯甲酸和取代苯胺进行缩合反应,然后采用钯碳-氢气对硝基进行还原形成胺基后得到,其反应式如下:
上述的苯甲酸衍生物具有抗肿瘤效果,可用于制备抗肿瘤药物。所述的抗肿瘤药物由所述的苯甲酸衍生物和医学上可接受的辅料组成。
采用细胞MTT技术测定本发明所述苯甲酸衍生物对肿瘤细胞的抑制效果,结果显示该类化合物对几种癌细胞均具有较好抑制效果。
以下结合具体实施方式对本发明作进一步说明。
具体实施方式
实施例1(制备CJ-1-1)
结构式为(CJ-1-1)化合物的制备方法如下:
将1mmol 3-硝基-4-甲氧基苯甲酸溶于DMF中,加入TEA 1.2mmol,在加入HOBT1.1mmol,EDCI1.2mmol,最后加入3,4,5-三甲氧基苯胺1mmol。TLC监测,反应完毕后,加水析出黄色固体。将所得到的产物用核磁共振、质谱进行鉴定,鉴定结果为1H NMR(CDCl3)δ7.66(s,1H),δ7.275-7.281(d,1H),δ7.229-7.256(m,1H),δ6.97(s,2H),δ6.85-6.87(d,1H),δ3.95(s,3H),δ3.91(s,6H),δ3.86(s,3H).MS(ESI)m/z 361.57(M-H)-.Anal.(C17H14N2O3)C,H,N,O.由上述鉴定结果可知,所得产物为CJ-1-1。
实施例2(制备CJ-1-2)
结构式为(CJ-1-2)化合物的制备方法同CJ-1-1,将所得到的产物用核磁共振、质谱进行鉴定,鉴定结果为1H NMR(DMSO)δ8.10-8.11(dd,1H),δ7.98-8.01(dd,1H),δ7.84(s,1H),δ7.15(dd,1H),δ7.10(s,2H),δ4.00(s,3H),δ3.96(s,6H),δ3.94(s,3H).MS(ESI)m/z 362.47(M+H)+.Anal.(C17H18N2O7)C,H,N,O.由上述鉴定结果可知,所得产物为CJ-1-2。
实施例3(制备CJ-1-3)
结构式为(CJ-1-3)化合物的制备方法如下:
将1mmol 3-硝基-4-甲氧基苯甲酸溶于DMF中,加入TEA1.2mmol,在加入HOBT1.1mmol,EDCI1.2mmol,DMSP 0.02mmol,最后加入3,4,5-三甲氧基苯酚1mmol。TLC监测,反应完毕后,加水析出固体。将所得到的产物用核磁共振、质谱进行鉴定,鉴定结果为1H NMR(CDCl3)δ8.69(s,1H),δ8.37-8.39(d,1H),δ7.22-7.24(d,1H),δ6.49(s,2H),δ4.10(s,3H),δ3.88(s,9H).MS(ESI)m/z 385.70(M+Na)+.Anal.(C17H17NO8)C,H,N,O.由上述鉴定结果可知,所得产物为CJ-1-3。
实施例4(制备CJ-1-4)
结构式为(CJ-1-4)化合物的制备方法同CJ-1-3,将所得到的产物用核磁共振、质谱进行鉴定,鉴定结果为1H NMR(DMSO)δ7.94-7.95(d,1H),δ7.64-7.67(dd,1H),δ7.45-7.48(d,1H),δ7.42(s,2H),δ3.93(s,3H),δ3.88(s,6H),δ3.79(s,3H).MS(ESI)m/z 386.83(M+Na)+.Anal.(C17H17NO8)C,H,N,O.由上述鉴定结果可知,所得产物为CJ-1-4。
实施例5(制备CJ-1-5)
结构式为(CJ-1-5)化合物的制备方法如下:
将1mmol CJ-1-1溶解于THF中,加入钯碳,通入氢气,常温搅拌过夜,TLC监测反应。反应完毕将反应液加水淬灭,水-乙酸乙酯萃取,浓缩有机层,柱层析石油醚-乙酸乙酯1:1得产物。将所得到的固体用核磁共振、质谱进行鉴定,鉴定结果为1H NMR(CDCl3)δ7.66(s,1H),δ7.275-7.281(d,1H),δ7.256-7.229(m,1H),δ6.97(s,2H),δ6.85-6.87(d,1H),δ3.95(s,3H),δ3.91(s,6H),δ3.86(s,3H).MS(ESI)m/z 361.57(M-H)-.Anal.(C17H14N2O3)C,H,N,O.由上述鉴定结果可知,所得产物为CJ-1-5。
实施例6(制备CJ-1-6,CJ-1-7,CJ-1-8)
化合物CJ-1-6,CJ-1-7,CJ-1-8制备方法同CJ-1-5。结构依次为
将所得到的产物用核磁共振、质谱进行鉴定,鉴定结果为:
CJ-1-2:1H NMR(CDCl3)δ7.64-7.84(dd,1H),δ7.53-7.54(dd,1H),δ6.87-6.89(dd,1H),δ6.46(s,2H),δ3.97(s,3H),δ3.87(s,9H).MS(ESI)m/z 255.7(M+Na)+.Anal.(C17H19NO6)C,H,N,O.由上述鉴定结果可知,所得产物为CJ-1--6。
CJ-1-7:1H NMR(CDCl3)δ7.55(s,1H),δ7.21(d,1H),δ7.08(s,2H),δ6.83-6.86(dd,1H),δ6.77-6.79(dd,1H),δ3.95(s,6H),δ3.92(s,3H),δ3.88(s,3H).MS(ESI)m/z 332.77(M+H)+.Anal.(C17H20N2O5)C,H,N,O。由上述鉴定结果可知,所得产物为CJ-1--7。
CJ-1-8:1H NMR(CDCl3)δ8.002-8.008(dd,1H),δ7.68(s,1H),δ7.47-7.50(dd,1H),δ7.31(s,1H),δ7.24-7.26(dd,1H),δ6.71(s,2H),δ4.08(s,3H),δ3.91(s,3H),δ3.73(s,6H).MS(ESI)m/z 333.74(M+H)+.Anal.(C17H19NO6)C,H,N,O.由上述鉴定结果可知,所得产物为CJ-1--8。
实施例7苯甲酸衍生物对肿瘤细胞抑制效果研究
本发明化合物的对肿瘤抑制效果采用如下方法测试所证明。
这些效果表明本发明化合物对肿瘤细胞抑制效果明显,其可用于治疗癌症。具体测试方法如下:
一、实验目的及原理
实验目的:采用MTT法检测合成的一系列含酰胺或脂类似物对不同类型肿瘤细胞增殖的抑制效果。
实验原理:MTT比色法是一种检测细胞存活和生长的方法,其原理为活细胞线粒体中的琥珀酸脱氢酶能使外源性MTT还原为水不溶性蓝紫色结晶甲瓒,并沉积在细胞中,而死细胞缺少这一功能。二甲基亚砜(DMSO)可以溶解活细胞中的甲瓒,用酶联免疫检测仪检测570nM下的吸光度值(OD值),可以根据吸光度值反应活细胞的数量,在一定范围内,OD值越小,则表明细胞活性越弱,药物的抑制增殖效果越好。
二、试剂基本信息
试剂名称 品牌
RPMI-1640培养基粉末 Gibco
胎牛血清 Capricorn Scientific
二甲基亚砜(DMSO) Sigma
四甲基偶氮唑蓝(MTT) Sigma
三、试剂配制
1、RPMI-1640完全培养基
配置1L的RPMI-1 640培养基,取相应量的RPMI-1640粉末,溶于含有800ml三蒸水的烧杯中,搅拌4h,直至粉末完全溶解。加入2g NaHCO3,搅拌至完全溶解。用浓度为1mol/L的盐酸调节PH,使其PH在7.2-7.4范围内,定容至1L。用装有0.22μm孔径的滤膜,并提前高压好的滤器过滤,分装,保存于4℃备用。使用时加入5%的血清,使其成完全培养基,即可用于细胞培养。
2、MTT
将50ml的离心管用锡箔纸包裹避光,精密称取MTT粉末250mg,加入到离心管中,加入50ml的PBS,使MTT粉末完全溶解,用0.22μm孔径的滤膜过滤除菌并分装,在-20℃条件下避光保存。
3、化合物配置
取高压好的EP管用于称取化合物,向EP管中加入对应量的DMSO,使液体成100mM的母液,并分别按比例稀释到30mM,10mM,3mM,1mM。使用时用相应量的培养基稀释1000倍,即可配成浓度为0.1μM,0.3μM,1μM,10μM,30μM,100μM的工作液。
四、实验过程
(1)取对数生长期的细胞,消化,调整细胞数浓度为2.5×104/mL,按100μl/孔接种到96孔板中。在37℃,5%CO2细胞培养箱中培养过夜,待细胞贴壁。
(2)吸出原有培养基,每组加入不同浓度的化合物,化合物浓度分别为0.1μM,0.3μM,1μM,10μM,30μM,100μM。以0.1%的DMSO设为对照组,在细胞培养箱中继续培养72h。
(3)每孔加入10μl MTT液,在培养箱中孵育4h。
(4)弃去培养基,每孔加入100μl DMSO,振荡15min充分溶解甲瓒结晶。
(5)用酶联免疫检测仪测定570nm下的吸光度值。
(6)按以下公式计算细胞生长抑制率:
抑制率=[(As-Ab)/(Ac-Ab)]×100%
As:实验孔的吸光度(含细胞、MTT、化合物)
Ac:对照孔的吸光度(含细胞、MTT,无化合物)
Ab:空白孔的吸光度(不含细胞和化合物,含MTT)
根据药物在不同剂量下对细胞增殖的抑制率,通过GraphPad Prism 5软件计算化合物的IC50
测活性结果如表1-2所示:
表1化合物肿瘤抑制效果
根据上述体外实验结果,我们可以得出专利所述的化合物能够抑制肿瘤细胞增殖,其中CJ-1-1对肿瘤细胞抑制效果显著。

Claims (4)

1.一种苯甲酸衍生物,该衍生物的化学结构如下式(I)所示,
式(I)中,X为O或NH,R1为3,4,5-三甲氧基、3-硝基-4-甲氧基或3-氨基-4-甲氧基,R2为3,4,5-三甲氧基、3-硝基-4-甲氧基或3-氨基-4-甲氧基。
2.根据权利要求1所述的苯甲酸衍生物,其特征在于,所述的苯甲酸衍生物为下述化合物中的一种:
当X是O,R1为3-硝基-4-甲氧基,R2为3,4,5-三甲氧基时,所述苯甲酸衍生物的化学结构为
当X是O,R1为3-氨基-4-甲氧基,R2为3,4,5-三甲氧基时,所述苯甲酸衍生物的化学结构为
当X是NH,R1为3-硝基-4-甲氧基,R2为3,4,5-三甲氧基时,所述苯甲酸衍生物的化学结构为
当X是NH,R1为3-氨基-4-甲氧基,R2为3,4,5-三甲氧基时,所述苯甲酸衍生物的化学结构为
当X是O,R1为3,4,5-三甲氧基,R2为3-硝基-4-甲氧基时,所述苯甲酸衍生物的化学结构为
当X是O,R1为3,4,5-三甲氧基,R2为3-氨基-4-甲氧基时,所述苯甲酸衍生物的化学结构为
当X是NH,R1为3,4,5-三甲氧基,R2为3-硝基-4-甲氧基时,所述苯甲酸衍生物的化学结构为
当X是NH,R1为3,4,5-三甲氧基,R2为3-氨基-4-甲氧基时,所述苯甲酸衍生物的化学结构为
3.权利要求1或者2所述的苯甲酸衍生物在制备抗癌药物中的应用。
4.根据权利要求3所述的应用,其特征在于,所述的抗癌药物由权利要求1所述的苯甲酸衍生物和医学上可接受的辅料组成。
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JPH1081673A (ja) * 1996-09-06 1998-03-31 Ajinomoto Co Inc 複素環誘導体、及びそれを含有する制癌剤
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