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6种鸢尾黄素曼尼希碱衍生物的合成及其抗肿瘤活性研究 Δ
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陈 帅 ,袁崇均 ,罗 森,余梦瑶,王 笳(四川省中医药科学院中药药学研究所,成都 610041)
中图分类号 R284.2;Q946.91 文献标志码 A 文章编号 1001-0408(2019)21-2937-05
DOI 10.6039/j.issn.1001-0408.2019.21.12
摘 要 目的:对鸢尾黄素进行结构修饰,寻求新的具有抗肿瘤活性的化合物。方法:以鸢尾黄素为先导化合物,分别加入乙醇
胺、甲胺、乙胺、二甲胺、二乙胺、正丙胺等胺类试剂和甲醛溶液,经曼尼希(Mannich)反应得到鸢尾黄素曼尼希碱衍生物,根据红外
光谱、紫外光谱、质谱、核磁共振等确定其结构。采用溶解度试验法考察鸢尾黄素及其衍生物的水溶性;采用MTT法考察鸢尾黄
素及其衍生物对人结肠癌细胞株 HCT116、人肺癌细胞株 A549、人肝癌细胞株 HepG2 的增殖抑制作用,并计算半数抑制浓度
(IC50 );以H22肝癌荷瘤小鼠为模型,考察鸢尾黄素及其衍生物(剂量均为100 mg/kg)的体内抑瘤率。结果:共合成6个鸢尾黄素
曼尼希碱衍生物,分别为8-(N-羟乙基)-亚甲基胺基-5,7,4′-三羟基-6-甲氧基异黄酮、8-(N-甲基)-亚甲基胺基-5,7,4′-三羟基-6-甲
氧基异黄酮、8-(N,N-二乙基)-亚甲基胺基-5,7,4´-三羟基-6-甲氧基异黄酮、8-(N,N-二甲基)-亚甲基胺基-5,7,4′-三羟基-6-甲氧基
异黄酮、8-(N-乙基)-亚甲基胺基-5,7,4´-三羟基-6-甲氧基异黄酮、8-(N-正丙基)-亚甲基胺基-5,7,4′-三羟基-6-甲氧基异黄酮(依
次记为化合物 1~6)。与鸢尾黄素比较,6 个衍生物的水溶性明显提高,溶解度是鸢尾黄素的 5~20 倍;其中化合物 1、3、5 对
HCT116细胞的IC50分别为(34.82±3.27)、(16.21±4.13)、(33.12±3.25)μmol/L,均强于鸢尾黄素的IC50[(45.23±5.74)μmol/L];对
A549 细胞的 IC50分别为(37.05±5.74)、(26.88±4.52)、(30.13±6.23)μmol/L ,均强于鸢尾黄素的 IC50[(53.24±6.34)μmol/L];对
HepG2细胞的IC50分别为(23.74±1.45)、(18.96±2.34)、(30.95±2.87)μmol/L ,均强于鸢尾黄素的IC50[(48.98±2.58)μmol/L];对
H22肝癌荷瘤小鼠的抑瘤率分别55.51%、57.20%、49.15%,且均高于鸢尾黄素的抑瘤率(33.05%),其余3个化合物相比鸢尾黄素
的抗肿瘤活性无明显优势。结论:在本研究合成的6个鸢尾黄素曼尼希碱衍生物中,化合物1、3、5均具有强于鸢尾黄素的抗肿瘤
活性。
关键词 鸢尾黄素;胺类;曼尼希碱衍生物;合成;人结肠癌细胞株HCT116;人肺癌细胞株A549;人肝癌细胞株HepG2;半数抑制
浓度;小鼠;抑瘤率
Study on Synthesis and Anti-tumor Activity of 6 Kinds of Tectorigenin Mannich Base Derivatives
CHEN Shuai,YUAN Chongjun,LUO Sen,YU Mengyao,WANG Jia(Institute of Chinese Materia Medica,
Sichuan Academy of Chinese Medicine Science,Chengdu 610041,China)
ABSTRACT OBJECTIVE:To conduct structural modification of tectorigenin to search for new compounds with anti-tumor
activity. METHODS: Tectorigenin was used as a lead compound, and then added into amine reagents as ethanolamine,
methylamine,ethylamine,dimethylamine,diethylamine,n-propylamine and formaldehyde solution. Tectorigenin Mannich base
derivatives were synthesized by mannich reaction with as the lead compound. The structures of the derivatives were identified
according to IR,UV,MS and NMR data. Solubility of tectorigenin and its derivatives were investigated by solubility test method.
MTT assay was used to investigate the inhibitory effects of tectorigenin and its derivatives on the proliferation of human colon
cancer cell line HCT116, human lung cancer cell line A549 and human hepatoma cell line HepG2, and half inhibitory
concentration(IC50 )was calculated. The inhibition rate of tectorigenin and its derivatives(100 mg/kg)on H22 hepatoma-bearing
mice in vivo was studied. RESULTS:Totally of 6 kinds of tectorigenin mannich base derivatives were synthesized,such as 8-
(N-hydroxyethyl)-methyleneamino-5,7,4′-trihydroxy-6-methoxyisoflavone,8-(N-methyl)-methyleneamino-5,7,4′-trihydroxy-6-
methoxyisoflavone,8-(N,N-diethyl)-methyleneamino-5,7,4′-trihydroxy-6-methoxyisoflavone,8-(N,N-dimethyl)-methyleneamino-
5,7,4′-trihydroxy-6-methoxyisoflavone,8-(N-ethyl)-methyleneamino-5,7,4′-trihydroxy-6-methoxyisoflavone,8-(N-propyl)-
methyleneamino-5,7,4′-trihydroxy-6-methoxyisoflavone(compounds 1-6 in turn). Compared with tectorigenin,the water solubility
of six derivatives was significantly improved,and the solubility was 5-20 times higher than that of tectorigenin. IC50 of compounds
1,3 and 5 to HCT116 cells were(34.82±3.27),(16.21±4.13),(33.12±3.25)μmol/L,which were stronger than that of
tectorigenin [(45.23±5.74)μmol/L];IC50 of compounds 1,3 and 5 to A549 cells were(37.05±5.74),(26.88±4.52),(30.13±
6.23) μ mol/L,which were stronger than that of tectorigenin
Δ 基金项目:四川省应用基础计划项目(No.2016JY0009);四川省
[ (53.24 ± 6.34) μ mol/L];IC50 of compounds 1,3 and 5 to
公益性科研院所基本科研业务专项(No.A-2017N-39)
HepG2 cells were(23.74±1.45),(18.96±2.34),(30.95±
* 副 研 究 员 。 研 究 方 向 :中 药 化 学 。 电 话 :028-85237395。
2.87) μ mol/L,which were stronger than that of tectorigenin
E-mail:cscdtcm@126.com
# 通信作者:主任中药师。研究方向:天然活性成分研究与开 [ (48.98 ± 2.58) μ mol/L]. Compounds 1,3 and 5 showed
发。电话:028-85237395。E-mail:86071401@qq.com higher inhibition rates(55.51%,57.20% and 49.15%)than
中国药房 2019年第30卷第21期 China Pharmacy 2019 Vol. 30 No. 21 ·2937 ·