阿苯达唑
概述
描述
Albendazole is a broad-spectrum anthelmintic and antiprotozoal agent belonging to the benzimidazole class of compounds. It is primarily used to treat a variety of parasitic worm infestations, including those caused by roundworms, tapeworms, and flukes . Albendazole was developed in 1975 and is included in the World Health Organization’s List of Essential Medicines .
作用机制
阿苯达唑通过与微管的秋水仙碱敏感位点结合而发挥作用,抑制其聚合成微管。 这种微管形成的破坏会导致寄生虫肠道细胞的退行性改变,最终导致其死亡 . 主要分子靶标是微管,所涉及的途径是抑制微管聚合 .
科学研究应用
生化分析
Biochemical Properties
Albendazole interacts with tubulin, a protein that forms the cytoskeleton of cells . By binding to the colchicine-sensitive site of tubulin, Albendazole inhibits its polymerization or assembly into microtubules . This interaction disrupts the cytoskeleton of the cells, leading to their immobilization and death .
Cellular Effects
Albendazole has a significant impact on various types of cells and cellular processes. It influences cell function by disrupting the cytoskeleton, which is crucial for cell shape, division, and intracellular transport . This disruption can affect cell signaling pathways, gene expression, and cellular metabolism .
Molecular Mechanism
The principal mode of action for Albendazole is its inhibitory effect on tubulin polymerization, which results in the loss of cytoplasmic microtubules . This mechanism leads to degenerative alterations in the tegument and intestinal cells of the worm, diminishing its energy production and leading to the immobilization and death of the parasite .
Metabolic Pathways
Albendazole is involved in metabolic pathways that lead to its transformation into metabolites: albendazole sulphoxide (ABZSO) and albendazole sulphone (ABZSO2) . These metabolites are formed in the body after administration of Albendazole .
准备方法
合成路线和反应条件
阿苯达唑可以通过多种路线合成。一种常见的方法是使用2-硝基-5-氯苯胺作为起始原料。 该化合物经历一系列反应,包括取代、缩合、还原和环化,最终得到阿苯达唑 . 该工艺避免了使用高风险的氢化还原,而是采用了碱性硫化物还原工艺,更安全且成本效益更高 .
工业生产方法
在工业环境中,阿苯达唑通常使用混合溶剂体系(水和乙醇)和混合酸体系(甲酸和乙酸)进行精制。 这种方法可以得到纯度更高、溶解度更好的阿苯达唑 . 此外,阿苯达唑可以制成结肠靶向微胶囊,以提高其吸收和疗效 .
化学反应分析
相似化合物的比较
阿苯达唑通常与其他苯并咪唑类驱虫药(如甲苯达唑和芬苯达唑)进行比较。 虽然这三种化合物具有相似的作用机制,但阿苯达唑在更广谱的活性方面具有独特性,并且对某些寄生虫感染的疗效更高 .
类似化合物
甲苯达唑: 用于治疗各种寄生虫感染,但其谱比阿苯达唑窄.
芬苯达唑: 主要用于兽药,其疗效与阿苯达唑相似.
属性
IUPAC Name |
methyl N-(6-propylsulfanyl-1H-benzimidazol-2-yl)carbamate | |
---|---|---|
Source | PubChem | |
URL | https://pubchem.ncbi.nlm.nih.gov | |
Description | Data deposited in or computed by PubChem | |
InChI |
InChI=1S/C12H15N3O2S/c1-3-6-18-8-4-5-9-10(7-8)14-11(13-9)15-12(16)17-2/h4-5,7H,3,6H2,1-2H3,(H2,13,14,15,16) | |
Source | PubChem | |
URL | https://pubchem.ncbi.nlm.nih.gov | |
Description | Data deposited in or computed by PubChem | |
InChI Key |
HXHWSAZORRCQMX-UHFFFAOYSA-N | |
Source | PubChem | |
URL | https://pubchem.ncbi.nlm.nih.gov | |
Description | Data deposited in or computed by PubChem | |
Canonical SMILES |
CCCSC1=CC2=C(C=C1)N=C(N2)NC(=O)OC | |
Source | PubChem | |
URL | https://pubchem.ncbi.nlm.nih.gov | |
Description | Data deposited in or computed by PubChem | |
Molecular Formula |
C12H15N3O2S | |
Source | PubChem | |
URL | https://pubchem.ncbi.nlm.nih.gov | |
Description | Data deposited in or computed by PubChem | |
DSSTOX Substance ID |
DTXSID0022563 | |
Record name | Albendazole | |
Source | EPA DSSTox | |
URL | https://comptox.epa.gov/dashboard/DTXSID0022563 | |
Description | DSSTox provides a high quality public chemistry resource for supporting improved predictive toxicology. | |
Molecular Weight |
265.33 g/mol | |
Source | PubChem | |
URL | https://pubchem.ncbi.nlm.nih.gov | |
Description | Data deposited in or computed by PubChem | |
Physical Description |
Solid | |
Record name | Albendazole | |
Source | Human Metabolome Database (HMDB) | |
URL | http://www.hmdb.ca/metabolites/HMDB0014659 | |
Description | The Human Metabolome Database (HMDB) is a freely available electronic database containing detailed information about small molecule metabolites found in the human body. | |
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Solubility |
1.4 [ug/mL] (The mean of the results at pH 7.4), Practically insoluble, 2.28e-02 g/L | |
Record name | SID855809 | |
Source | Burnham Center for Chemical Genomics | |
URL | https://pubchem.ncbi.nlm.nih.gov/bioassay/1996#section=Data-Table | |
Description | Aqueous solubility in buffer at pH 7.4 | |
Record name | Albendazole | |
Source | DrugBank | |
URL | https://www.drugbank.ca/drugs/DB00518 | |
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Record name | Albendazole | |
Source | Human Metabolome Database (HMDB) | |
URL | http://www.hmdb.ca/metabolites/HMDB0014659 | |
Description | The Human Metabolome Database (HMDB) is a freely available electronic database containing detailed information about small molecule metabolites found in the human body. | |
Explanation | HMDB is offered to the public as a freely available resource. Use and re-distribution of the data, in whole or in part, for commercial purposes requires explicit permission of the authors and explicit acknowledgment of the source material (HMDB) and the original publication (see the HMDB citing page). We ask that users who download significant portions of the database cite the HMDB paper in any resulting publications. | |
Mechanism of Action |
Albendazole causes degenerative alterations in the tegument and intestinal cells of the worm by diminishing its energy production, ultimately leading to immobilization and death of the parasite. It works by binding to the colchicine-sensitive site of tubulin, thus inhibiting its polymerization or assembly into microtubules. As cytoplasmic microtubules are critical in promoting glucose uptake in larval and adult stages of the susceptible parasites, the glycogen stores of the parasites are depleted. Degenerative changes in the endoplasmic reticulum, the mitochondria of the germinal layer, and the subsequent release of lysosomes result in decreased production of adenosine triphosphate (ATP), which is the energy required for the survival of the helminth., Benzimidazoles produce many biochemical changes in susceptible nematodes, eg, inhibition of mitochondrial fumarate reductase, reduced glucose transport, and uncoupling of oxidative phosphorylation ... /but/ the primary action ... /should be/ to inhibit microtubule polymerization by binding to beta-tubulin. The selective toxicity of these agents derives from the fact that specific, high-affinity binding to parasite beta-tubulin occurs at much lower concn than does binding to the mammalian protein ... Benzimidazole-resistant Haemonchus contortus display reduced high-affinity drug binding to beta-tubulin and alterations in beta-tubulin isotype gene expression that correlate with drug resistance ... Two identified mechanisms of drug resistance in nematodes involve both a progressive loss of "susceptible" beta-tubulin gene isotypes together with emergence of a "resistant" isotype with a conserved point mutation that encodes a tyrosine instead of phenylalanine at position 200 of beta-tubulin. While this mutation may not be required for benzimidazole resistance in all parasites, eg, Giardia lamblia, benzimidazole resistance in parasitic nematodes is unlikely to be overcome by novel benzimidazole analogs, because tyrosine also is present at position 200 of human beta-tubulin. /Benzimidazoles/, Although the exact mechanism of action of albendazole has not been fully elucidated, the principal anthelmintic effect of benzimidazoles, including albendazole, appears to be the specific, high-affinity binding of the drug to free beta-tubulin in parasite cells, resulting in selective inhibition of parasite microtubule polymerization, and inhibition of microtubule-dependent uptake of glucose. Benzimidazole drugs bind to the beta-tubulin of parasites at much lower concentrations than to mammalian beta-tubulin protein; the drugs do not inhibit glucose uptake in mammals, and do not appear to have any effect on blood glucose concentrations in humans, The mode of action of albendazole is by binding strongly with the tubulin in the cells of nematodes. The intestinal cells of the nematode are particularly affected, resulting in a loss of absorptive function which causes the nematodes to starve to death. | |
Record name | Albendazole | |
Source | DrugBank | |
URL | https://www.drugbank.ca/drugs/DB00518 | |
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Record name | ALBENDAZOLE | |
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Color/Form |
Colorless crystals | |
CAS No. |
54965-21-8 | |
Record name | Albendazole | |
Source | CAS Common Chemistry | |
URL | https://commonchemistry.cas.org/detail?cas_rn=54965-21-8 | |
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Record name | Albendazole [USAN:USP:INN:BAN:JAN] | |
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Record name | Albendazole | |
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Record name | albendazole | |
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Record name | albendazole | |
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Record name | Albendazole | |
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Record name | Albendazole | |
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Record name | ALBENDAZOLE | |
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Record name | ALBENDAZOLE | |
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URL | https://pubchem.ncbi.nlm.nih.gov/source/hsdb/7444 | |
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Record name | Albendazole | |
Source | Human Metabolome Database (HMDB) | |
URL | http://www.hmdb.ca/metabolites/HMDB0014659 | |
Description | The Human Metabolome Database (HMDB) is a freely available electronic database containing detailed information about small molecule metabolites found in the human body. | |
Explanation | HMDB is offered to the public as a freely available resource. Use and re-distribution of the data, in whole or in part, for commercial purposes requires explicit permission of the authors and explicit acknowledgment of the source material (HMDB) and the original publication (see the HMDB citing page). We ask that users who download significant portions of the database cite the HMDB paper in any resulting publications. | |
Melting Point |
208-210, 208-210 °C, Mol wt: 281.34. Active metabolite of albendazole. MP: 226-228 °C (decomposes) /Sulfoxide/, 209 °C | |
Record name | Albendazole | |
Source | DrugBank | |
URL | https://www.drugbank.ca/drugs/DB00518 | |
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Record name | ALBENDAZOLE | |
Source | Hazardous Substances Data Bank (HSDB) | |
URL | https://pubchem.ncbi.nlm.nih.gov/source/hsdb/7444 | |
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Record name | Albendazole | |
Source | Human Metabolome Database (HMDB) | |
URL | http://www.hmdb.ca/metabolites/HMDB0014659 | |
Description | The Human Metabolome Database (HMDB) is a freely available electronic database containing detailed information about small molecule metabolites found in the human body. | |
Explanation | HMDB is offered to the public as a freely available resource. Use and re-distribution of the data, in whole or in part, for commercial purposes requires explicit permission of the authors and explicit acknowledgment of the source material (HMDB) and the original publication (see the HMDB citing page). We ask that users who download significant portions of the database cite the HMDB paper in any resulting publications. | |
Synthesis routes and methods I
Procedure details
Synthesis routes and methods II
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Retrosynthesis Analysis
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