Identification of novel imidazoles as IDO1 inhibitors through microwave-assisted one-pot multicomponent reactions. 2019

Zhizheng Bai, and Huidan Huang, and Jianqiu Chen, and Xiaoyun Zhang, and Yimei Ding
School of Pharmacy, Nanjing Tech University, Nanjing, China.

A series of imidazole derivatives were designed following rational drug design, and synthesized through microwave-assisted one-pot multicomponent reactions. These compounds are produced in large quantities, and are known to be tolerant toward a variety of substrates, thus providing target molecules in a single step within a short time. These compounds were further tested for their ability to inhibit indoleamine-2,3-dioxygenase 1 (IDO1). The most promising compound thus obtained is 4o, which displayed IC50 values of 0.82 μΜ. Further in vivo assessment indicated that 4o could reduce the kynurenine levels in plasma by 42.3% in 4 hr, indicating that the compound could act as a promising lead compound for further investigations.

UI MeSH Term Description Entries
D007093 Imidazoles Compounds containing 1,3-diazole, a five membered aromatic ring containing two nitrogen atoms separated by one of the carbons. Chemically reduced ones include IMIDAZOLINES and IMIDAZOLIDINES. Distinguish from 1,2-diazole (PYRAZOLES).
D008872 Microwaves That portion of the electromagnetic spectrum from the UHF (ultrahigh frequency) radio waves and extending into the INFRARED RAYS frequencies. EHF Waves,Extremely High Frequency Radio Waves,Micro Wave,Micro Waves,Ultrahigh Frequency Waves,Microwave Radiation,EHF Wave,Micro Waves,Microwave,Microwave Radiations,Radiation, Microwave,Ultrahigh Frequency Wave,Wave, EHF,Wave, Micro,Wave, Ultrahigh Frequency,Waves, Micro
D008958 Models, Molecular Models used experimentally or theoretically to study molecular shape, electronic properties, or interactions; includes analogous molecules, computer-generated graphics, and mechanical structures. Molecular Models,Model, Molecular,Molecular Model
D004305 Dose-Response Relationship, Drug The relationship between the dose of an administered drug and the response of the organism to the drug. Dose Response Relationship, Drug,Dose-Response Relationships, Drug,Drug Dose-Response Relationship,Drug Dose-Response Relationships,Relationship, Drug Dose-Response,Relationships, Drug Dose-Response
D004791 Enzyme Inhibitors Compounds or agents that combine with an enzyme in such a manner as to prevent the normal substrate-enzyme combination and the catalytic reaction. Enzyme Inhibitor,Inhibitor, Enzyme,Inhibitors, Enzyme
D006367 HeLa Cells The first continuously cultured human malignant CELL LINE, derived from the cervical carcinoma of Henrietta Lacks. These cells are used for, among other things, VIRUS CULTIVATION and PRECLINICAL DRUG EVALUATION assays. Cell, HeLa,Cells, HeLa,HeLa Cell
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D013329 Structure-Activity Relationship The relationship between the chemical structure of a compound and its biological or pharmacological activity. Compounds are often classed together because they have structural characteristics in common including shape, size, stereochemical arrangement, and distribution of functional groups. Relationship, Structure-Activity,Relationships, Structure-Activity,Structure Activity Relationship,Structure-Activity Relationships
D015394 Molecular Structure The location of the atoms, groups or ions relative to one another in a molecule, as well as the number, type and location of covalent bonds. Structure, Molecular,Molecular Structures,Structures, Molecular
D050503 Indoleamine-Pyrrole 2,3,-Dioxygenase A dioxygenase with specificity for the oxidation of the indoleamine ring of TRYPTOPHAN. It is an extrahepatic enzyme that plays a role in metabolism as the first and rate limiting enzyme in the kynurenine pathway of TRYPTOPHAN catabolism. IDO Dioxygenase,Indolamine-2,3-Dioxygenase,Indoleamine 2,3-Dioxygenase,Indoleamine-Oxygen 2,3-Oxidoreductase (Decyclizing),Dioxygenase, IDO,Indolamine 2,3 Dioxygenase,Indoleamine 2,3 Dioxygenase

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