CN116462675A - 一种小檗碱衍生物及其制备方法和应用 - Google Patents

一种小檗碱衍生物及其制备方法和应用 Download PDF

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CN116462675A
CN116462675A CN202310513482.XA CN202310513482A CN116462675A CN 116462675 A CN116462675 A CN 116462675A CN 202310513482 A CN202310513482 A CN 202310513482A CN 116462675 A CN116462675 A CN 116462675A
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berberine
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berberine derivative
test tube
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张志辉
林士婷
史建国
史兰香
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Shijiazhuang University
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    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D455/00Heterocyclic compounds containing quinolizine ring systems, e.g. emetine alkaloids, protoberberine; Alkylenedioxy derivatives of dibenzo [a, g] quinolizines, e.g. berberine
    • C07D455/03Heterocyclic compounds containing quinolizine ring systems, e.g. emetine alkaloids, protoberberine; Alkylenedioxy derivatives of dibenzo [a, g] quinolizines, e.g. berberine containing quinolizine ring systems directly condensed with at least one six-membered carbocyclic ring, e.g. protoberberine; Alkylenedioxy derivatives of dibenzo [a, g] quinolizines, e.g. berberine
    • AHUMAN NECESSITIES
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    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/4353Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom ortho- or peri-condensed with heterocyclic ring systems
    • A61K31/4375Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom ortho- or peri-condensed with heterocyclic ring systems the heterocyclic ring system containing a six-membered ring having nitrogen as a ring heteroatom, e.g. quinolizines, naphthyridines, berberine, vincamine
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    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
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Abstract

本发明公开了一种小檗碱衍生物及其制备方法和应用。本发明的小檗碱衍生物具有好的抗菌活性,可用于抗菌药物中的用途。本发明公开了其制法。

Description

一种小檗碱衍生物及其制备方法和应用
技术领域
本发明涉及一种小檗碱衍生物,及其在制药中的应用,属于医药技术领域。
背景技术
小檗碱具有抗菌作用,它对白色念珠菌、热带假丝酵母、鲁希特念珠菌、克柔念珠菌、烟曲霉、土曲霉及隐球菌等具有较好的抑制作用;但其水溶性和脂溶性较差,使其不易被有效的输送至细胞内和患病部位,导致生物利用度低;为克服小檗碱的缺陷、提高小檗碱的生物活性,小檗碱及其衍生物的研究和开发非常活跃。
已有的研究结果表明,将小檗碱8-位引入小于8个碳原子的烷基,随着碳原子数目的增加,抗菌活性增强;在小檗碱9-位引入含有长链烷基的取代基或苄基取代的苯并咪唑基团,可以提高小檗碱的抗菌活性;将小檗碱1-位与13位通过乙烯基连接形成环化小檗碱,可提高化合物的抗耐甲氧西林金黄色葡萄球菌的活性。
本发明在8-氯小檗碱(制备方法参考Molla Endeshaw,et al,8,8-Dialkyldihydroberberines with Potent Antiprotozoal Activity,Journal ofNatural Products, 2013, 76, 311−315)结构中引入具有抗菌作用的长链烷氨基二硫代甲酸结构,对小檗碱进行修饰和改造,以期获得抗菌活性较好的小檗碱衍生物。
发明内容
本发明的目的在于提供一种小檗碱衍生物,其具有抗菌作用。
本发明的另一目的在于提供上述小檗碱衍生物的制备方法。
本发明的再一目的在于提供上述小檗碱衍生物的抗菌用途。
以下对本发明进行详细描述。
本发明提供的小檗碱衍生物,具有如下通式:
式中,R各自独立为C6H13 , C8H17 , C12H25 , C4H9 , C3H7 , C2H5 , CH2C6H5,
所述的小檗碱衍生物具体代表实例结构式如下:
本发明还提供了上述化合物的制备方法:
式中,R各自独立为C6H13 , C8H17 , C12H25 , C4H9 , C3H7 , C2H5 , CH2C6H5, ;B各自独立为Et3N,吡啶。
本发明的小檗碱衍生物,在制备抗菌药物中的应用。
通过以下实施例进一步举例说明本发明,但应注意本发明的范围并不受这些实施例的任何限制。
实施方式
实施例
小檗碱衍生物的制备
将二硫化碳0.84g(11mmol)加入到50mL甲苯中,搅拌,加入RNH2(10 mmol)、Et3N1.11g(11 mmol)或吡啶0.869g(11 mmol),室温反应2-3h,得到N-烷氨基二硫代甲酸盐(I)甲苯溶液,不经纯化直接用于下步反应。
将8-氯小檗碱(II)4.06g (10 mmol)加入50mL甲苯中,搅拌,慢慢加入上述N-烷氨基二硫代甲酸盐(I)(11 mmol)的甲苯溶液,35-45℃反应至完全,倾入100mL0.5%的碳酸钠溶液中,搅拌,静置分层,水相甲苯萃取,无水硫酸钠干燥,过滤,减压蒸干,回收溶剂,硅胶柱层析纯化(V二氯甲烷:V甲醇= 40:1),分别制得化合物(1)-(8)。
化合物(1): 收率79.2%;ESI-MS (m/z): 511.1 [M-Cl]+1HNMR (400MHz, DMSO-d6) δ (ppm):8.77 (s, 1H), 7.71 (d, J= 9.1Hz, 1H), 7.65 (d, J= 9.1Hz, 1H),7.24 (s, 1H), 6.90 (s, 1H), 6.18 (s, 2H), 5.12 (m, 2H), 4.38 (s, 3H), 4.09(s, 3H), 3.31 (m, 2H), 3.15 (m, 2H), 1.76 (m, 2H), 1.33-1.29 (m, 6H), 0.96(t, J= 6.7Hz, 3H)。
化合物(2): 收率78.6%;ESI-MS (m/z): 539.2 [M-Cl]+1HNMR (400MHz, DMSO-d6) δ (ppm):8.78 (s, 1H), 7.72 (d, J= 9.0Hz, 1H), 7.66 (d, J= 9.0Hz, 1H),7.25 (s, 1H), 6.90 (s, 1H), 6.19 (s, 2H), 5.14 (m, 2H), 4.39 (s, 3H), 4.10(s, 3H), 3.33 (m, 2H), 3.17 (m, 2H), 1.69 (m, 2H), 1.30-1.29 (m, 10H), 0.96(t, J= 6.6Hz, 3H)。
化合物(3): 收率77.7%;ESI-MS (m/z): 595.2 [M-Cl]+1H NMR (400MHz, DMSO-d6) δ (ppm):8.79 (s, 1H), 7.73 (d, J= 9.5Hz, 1H), 7.67 (d, J= 9.5Hz, 1H),7.26 (s, 1H), 6.91 (s, 1H), 6.19 (s, 2H), 5.15 (m, 2H), 4.39 (s, 3H), 4.10(s, 3H), 3.32 (m, 2H), 3.19 (m, 2H), 1.59 (m, 2H), 1.33-1.29 (m, 18H), 0.97(t, J= 6.7Hz, 3H)。
化合物(4): 收率74.8%;ESI-MS (m/z): 483.1 [M-Cl]+1H NMR (400MHz, DMSO-d6) δ (ppm):8.76 (s, 1H), 7.70 (d, J= 9.1Hz, 1H), 7.63 (d, J= 9.1Hz, 1H),7.24 (s, 1H), 6.89 (s, 1H), 6.17 (s, 2H), 5.12 (m, 2H), 4.38 (s, 3H), 4.09(s, 3H), 3.31 (m, 2H), 3.22 (m, 2H), 1.67 (m, 2H), 1.33-1.29 (m, 2H), 0.98(t, J= 6.7Hz, 3H)。
化合物(5): 收率74.1%;ESI-MS (m/z): 469.1 [M-Cl]+1H NMR (400MHz, DMSO-d6) δ (ppm):8.75 (s, 1H), 7.70 (d, J= 9.1Hz, 1H), 7.62 (d, J= 9.1Hz, 1H),7.23 (s, 1H), 6.89 (s, 1H), 6.16 (s, 2H), 5.11 (m, 2H), 4.36 (s, 3H), 4.08(s, 3H), 3.31 (m, 2H), 3.20 (m, 2H), 1.67 (m, 2H), 0.99 (t, J= 6.7Hz, 3H)。
化合物(6): 收率77.3%;ESI-MS (m/z): 455.1 [M-Cl]+1H NMR (400MHz, DMSO-d6) δ (ppm):8.74 (s, 1H), 7.69 (d, J= 9.1Hz, 1H), 7.62 (d, J= 9.1Hz, 1H),7.22 (s, 1H), 6.88 (s, 1H), 6.16 (s, 2H), 5.10 (m, 2H), 4.36 (s, 3H), 4.06(s, 3H), 3.22 (m, 2H), 3.28 (m, 2H), 1.67 (t, J= 6.7Hz, 3H)。
化合物(7): 收率73.6%;ESI-MS (m/z): 517.1 [M-Cl]+1H NMR (400MHz, DMSO-d6) δ (ppm):8.77 (s, 1H), 7.70 (d, J= 9.1Hz, 1H), 7.63 (d, J= 9.1Hz, 1H),7.52-7.27 (m, 5H),7.24 (s, 1H), 6.92 (s, 1H), 6.17 (s, 2H), 5.11 (m, 2H),4.35 (s, 3H), 4.06 (s, 3H), 3.89 (m, 2H), 3.30 (m, 2H),。
化合物(8): 收率79.0%;ESI-MS (m/z): 561.1 [M-Cl]+1H NMR (400MHz, DMSO-d6) δ (ppm):8.80 (s, 1H), 7.72 (d, J= 9.0Hz, 1H), 7.65 (d, J= 9.0Hz, 1H),7.26 (s, 1H), 6.94 (s, 1H), 6.18 (s, 2H), 5.14 (m, 2H), 4.37 (s, 3H), 4.10(s, 3H), 3.90 (m, 2H), 3.33 (m, 2H), 2.35 (m, 9H)。
实施例
小檗碱衍生物的抗菌活性
配置牛肉膏胰蛋白胨培养基(每100mL培养基含牛肉膏0.3g,胰蛋白胨1g,氯化钠0.5g,琼脂2g,蒸馏水100mL),于121℃,0.1MPa下高压蒸汽灭菌0.5h,取无菌试管12个,1-12编号;1号试管加入8mL牛肉膏胰蛋白胨培养基,其余每个试管加入5mL牛肉膏胰蛋白胨培养基;在1号试管中加入浓度为1280μg/mL的化合物(1)2mL,混匀后从1号试管中吸取化合物(1)与牛肉膏胰蛋白胨培养基的混合液5mL至2号试管,混匀后再从2号试管中吸取5mL化合物(1)与牛肉膏胰蛋白胨培养基的混合液5mL至3号试管,如此倍比稀释至11号试管,并从11号试管中吸取化合物(1)与牛肉膏胰蛋白胨培养基的混合液5mL弃去;12号试管为不含化合物(1)的空白培养基对照。此时,1-11号试管中化合物(1)的浓度分别为256、128、64、32、16、8、4、2、1、0.5和0.25μg/mL。
取无菌培养皿12个,1-12编号;无菌操作下,按相应的顺序将试管中的化合物(1)与培养基混合物倒入无菌培养皿中,静置冷却形成平板;各平板接种金黄色葡萄球菌;培养皿放入CO2细胞培养箱中,于37℃培养48h,测定化合物(1)的最低抑菌浓度(MIC值);同样方法测定化合物(1)抑制白色念珠菌、鲁西特念珠菌、克柔念珠菌、烟曲霉、土曲霉、隐球菌的MIC值;同样方法测定小檗碱、化合物(2)-(8)抑制金黄色葡萄球菌、白色念珠菌、鲁西特念珠菌、克柔念珠菌、烟曲霉、土曲霉、隐球菌的MIC值。

Claims (4)

1.一种小檗碱衍生物,其特征在于,具有如下通式:
式中,R各自独立为C6H13 , C8H17 , C12H25 , C4H9 , C3H7 , C2H5 , CH2C6H5,
2.根据权利要求1所述的一种小檗碱衍生物,其特征在于,代表实例结构式如下:
3.根据权利要求1所述的一种小檗碱衍生物,其特征在于,制备方法步骤如下:
式中,R各自独立为C6H13 , C8H17 , C12H25 , C4H9 , C3H7 , C2H5 , CH2C6H5, ;B各自独立为吡啶,Et3N。
4.根据权利要求1所述的一种小檗碱衍生物,其特征在于,在制备抗菌药物中的应用。
CN202310513482.XA 2023-05-09 2023-05-09 一种小檗碱衍生物及其制备方法和应用 Pending CN116462675A (zh)

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