CN116554099A - 一种具有抑菌活性的丁香苦苷苷元衍生物及其合成方法 - Google Patents
一种具有抑菌活性的丁香苦苷苷元衍生物及其合成方法 Download PDFInfo
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- VBXLWOOOZVFVNF-UHFFFAOYSA-N syringopicroside Natural products C1C(=O)C(C)C2C1C(C(=O)OCCC=1C=CC(O)=CC=1)=COC2OC1OC(CO)C(O)C(O)C1O VBXLWOOOZVFVNF-UHFFFAOYSA-N 0.000 title claims abstract description 17
- TWCMVXMQHSVIOJ-UHFFFAOYSA-N Aglycone of yadanzioside D Natural products COC(=O)C12OCC34C(CC5C(=CC(O)C(O)C5(C)C3C(O)C1O)C)OC(=O)C(OC(=O)C)C24 TWCMVXMQHSVIOJ-UHFFFAOYSA-N 0.000 title claims abstract description 14
- PLMKQQMDOMTZGG-UHFFFAOYSA-N Astrantiagenin E-methylester Natural products CC12CCC(O)C(C)(CO)C1CCC1(C)C2CC=C2C3CC(C)(C)CCC3(C(=O)OC)CCC21C PLMKQQMDOMTZGG-UHFFFAOYSA-N 0.000 title claims abstract description 14
- PFOARMALXZGCHY-UHFFFAOYSA-N homoegonol Natural products C1=C(OC)C(OC)=CC=C1C1=CC2=CC(CCCO)=CC(OC)=C2O1 PFOARMALXZGCHY-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 230000000844 anti-bacterial effect Effects 0.000 title claims description 18
- 238000001308 synthesis method Methods 0.000 title abstract description 8
- 125000006181 4-methyl benzyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1C([H])([H])[H])C([H])([H])* 0.000 claims abstract description 6
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 4
- 230000002194 synthesizing effect Effects 0.000 claims abstract 3
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000010898 silica gel chromatography Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 241000588724 Escherichia coli Species 0.000 abstract description 10
- 150000001875 compounds Chemical class 0.000 abstract description 10
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 229940124350 antibacterial drug Drugs 0.000 abstract description 2
- 230000002401 inhibitory effect Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 238000012258 culturing Methods 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 239000001963 growth medium Substances 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 241001104043 Syringa Species 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- 238000009630 liquid culture Methods 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 230000001717 pathogenic effect Effects 0.000 description 2
- 230000000144 pharmacologic effect Effects 0.000 description 2
- 241000628997 Flos Species 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 241000207834 Oleaceae Species 0.000 description 1
- 206010040047 Sepsis Diseases 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- CEQFOVLGLXCDCX-WUKNDPDISA-N methyl red Chemical compound C1=CC(N(C)C)=CC=C1\N=N\C1=CC=CC=C1C(O)=O CEQFOVLGLXCDCX-WUKNDPDISA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 208000013223 septicemia Diseases 0.000 description 1
- 208000026775 severe diarrhea Diseases 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- C07D221/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00
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Abstract
本发明公开了一种化合物,为4‑羟甲基‑7‑甲基‑2‑(4‑甲基苄基)八氢‑1H‑环戊基吡啶‑6‑醇,所述化合物其结构如下所示
Description
技术领域
本发明涉及药物化学技术领域,更具体地,涉及一种具有抑菌活性的丁香苦苷苷元衍生物及其合成方法。
背景技术
大肠埃希氏菌通常被称为大肠杆菌,在发现之后的相当长的一段时间内,一直被当作正常肠道菌群的组成部分,认为是非致病菌。直到20世纪中叶,才认识到一些特殊血清型的大肠杆菌对人和动物有病原性,尤其对婴儿和幼畜(禽),常引起严重腹泻和败血症,属于革兰氏阴性细菌(G-)。一旦爆发,可引起严重疫情。
丁香叶是木犀科丁香属植物紫丁香,洋丁香和朝鲜丁香的干燥叶片,其抗菌的主要成分为环烯醚萜类物质。丁香苦苷(Syringopicroside)作为主要成分之一,具有抗菌,消炎,抗病毒,保肝等多种药理活性。其在体内代谢生成的苷元具有很强的抗菌作用,能够有效地抑制大肠杆菌,金黄色葡萄球菌等多种细菌。
本发明的创新之处在于合成了一种丁香苦苷苷元衍生物,该化合物目前尚未有相关报道,经初步药理活性测定,该化合物对大肠杆菌表现出抑菌活性,可用于抑菌药物的制备,该合成方法具有原料易得、操作安全和合成步骤简洁等。
发明内容
本发明所提供的一种具有抑菌活性的丁香苦苷苷元衍生物,其合成方法原料易得且步骤简洁,可用于抑菌药物的进一步开发,具有一定的经济和社会意义。
本发明的上述目的是通过以下方案予以实现的。
一种具有抑菌活性的丁香苦苷苷元衍生物,4-羟甲基-7-甲基-2-(4-甲基苄基)八氢-1H-环戊基吡啶-6-醇,其特征在于该丁香苦苷苷元衍生物其结构式为:
。
本发明所述的具有抑菌活性的丁香苦苷苷元衍生物的合成方法,其特征在于具体步骤为:将0.1g丁香苦苷苷元和2gNaBH4加入到甲胺的乙醇溶液中混合均匀,低温搅拌,于-5℃反应6h。反应结束后,减压浓缩,残余物经硅胶柱色谱分离纯化得到4-羟甲基-7-甲基-2-(4-甲基苄基)八氢-1H-环戊基吡啶-6-醇。
本发明所述的具有抑菌活性的丁香苦苷苷元衍生物的合成方法,其特征在于合成过程中的反应方程式为:
。
本发明的合成方法具有原料易得、操作安全和合成步骤简洁等优点,通过大肠杆菌活性试验表明该丁香苦苷苷元衍生物对大肠杆菌有较强的抑制作用,可作为抑菌药物进一步开发。
本发明的实施例。
以下通过实施例对本发明的上述内容做进一步详细说明,但不应该将此理解为本发明上述主题的范围仅限于以下的实施例,凡基于本发明的上述内容实施的技术均属于本发明的范围。
实施例1 。
反应取5mL甲胺溶液,溶于10mL乙醇-水(3:4)混合溶液中,滴加一滴甲基红显色剂,然后向溶液中缓慢滴加稀盐酸,直到溶液变红,且摇晃不褪色之后,向其中加入丁香苦苷苷元,将反应混合溶液置于低温反应浴中,于-5℃冷却搅拌下加入过量的NaBH4,静置6h。反应结束后,减压浓缩,残余物经硅胶柱色谱分离纯化得到4-羟甲基-7-甲基-2-(4-甲基苄基)八氢-1H-环戊基吡啶-6-醇。
经检测,分子式:C18H27NO2;分子量:289;外观:淡黄色粉末;1H NMR δ和13C NMR δ如表1所示。
大肠杆菌活性试验:将冻存的大肠杆菌菌种使用平板划线法接种于培养皿中,37℃恒温培养12h 进行活化,挑长势较好的单菌落培养于液体培养基中,37℃,200 r/min 摇床培养过夜。待菌种于液体培养基中生长进入对数期,即菌悬液的吸光度在0.8 左右时,即可均匀涂布于培养皿中,进行抑菌活性筛选。
取浸泡于丁香苦苷、丁香苦苷苷元和新化合物溶液中的滤纸片,去除多余液体,放置于培养皿内,使其与培养基完全解除。每个培养皿内放置平行样三个。将放置好药物滤纸片的培养皿于 37℃恒温培养24h 后,测量各纸片周围抑菌圈的直径。
实验结果:新化合物的抑菌环直径为8.9±0.2mm,抑菌环直径>6.5mm无抑菌作用的标准,表明该新化合物具有抑制大肠杆菌活性的能力。
以上实施例描述了本发明的基本原理、主要特征及优点,本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明原理的范围下,本发明还会有各种变化和改进,这些变化和改进均落入本发明保护的范围内。
Claims (3)
1.一种具有抑菌活性的丁香苦苷苷元衍生物,为4-羟甲基-7-甲基-2-(4-甲基苄基)八氢-1H-环戊基吡啶-6-醇,其特征在于,具有以下所示的结构式:
。
2.一种权利要求1所述的一种具有抑菌活性的丁香苦苷苷元衍生物的合成方法,其特征在于包括以下步骤:将0.1g丁香苦苷苷元和2gNaBH4加入到甲胺的乙醇溶液中混合均匀,低温搅拌,于-5℃反应6h。反应结束后,减压浓缩,残余物经硅胶柱色谱分离纯化得到4-羟甲基-7-甲基-2-(4-甲基苄基)八氢-1H-环戊基吡啶-6-醇。
3.根据权利要求2所述的具有抑菌活性的丁香苦苷苷元衍生物的合成方法,其特征在于合成反应过程中的反应方程式为:
。
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