Design, synthesis, molecular-docking and antimycobacterial evaluation of some novel 1,2,3-triazolyl xanthenones

Goud, G. Linga; Ramesh, S.; Ashok, Dongamanti; Reddy, V. Prabhakar; Yogeeswari, Perumal; Sriram, Dharmarajan; Balabadra, Saikrishna; Manga, Vijjulatha

doi:10.1039/c6md00593d

Cited by 25 publications

(14 citation statements)

References 39 publications

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“…Therefore, special concern should be devoted to the development of new antimicrobial agents, possessing completely different chemical structures, and working with different modes of actions. The Cu(I)-catalyzed azide-alkyne cycloaddition (CuAAC) reaction offers a versatile synthetic access to the 1,2,3-triazole heterocycle derivatives, which are associated with a wide spectrum of pharmacological activities, including antimycobacterial [18][19][20][21], antitubercular [22][23][24][25], anticancer [26][27][28][29], antiviral [30][31][32][33][34], antidiabetic [35][36][37][38], antifungal [39][40][41][42], anti-HIV [43][44][45][46], anti-inflammatory [47][48][49][50], antimalarial [51][52][53][54], anti-oxidant [55][56][57][58], anti-proliferative [59][60][61][62] properties. The 1...…”

Section: Introductionmentioning

confidence: 99%

Design, Synthesis, and Antimicrobial Activities of 1,2,3-Triazole Glycoside Clickamers

et al. 2020

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Bacterial resistance remains a significant threat and a leading cause of death worldwide, despite massive attempts to control infections. In an effort to develop biologically active antibacterial and antifungal agents, six novel aryl-substituted-1,2,3-triazoles linked to carbohydrate units were synthesized through the Cu(I)-catalyzed azide-alkyne cycloaddition CuAAC of substituted-arylazides with a selection of alkyne-functionalized sugars. The chemical structures of the new derivatives were verified using different spectroscopic techniques. The novel clicked 1,2,3-triazoles were evaluated for in vitro antibacterial activity against Gram-positive Staphylococcus aureus and Gram-negative Pseudomonas aeruginosa, and the obtained results were compared with the activity of the reference antibiotic “Ampicillin”. Likewise, in vitro antifungal activity of the new 1,2,3-triazoles was investigated against Candida albicans and Aspergillus niger using “Nystatin” as a reference drug. The results of the biological evaluation pointed out that Staphylococcus aureus was more susceptible to all of the tested compounds than other examined microbes. In addition, some tested compounds exhibited promising antifungal activity.

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Section: Introductionmentioning

confidence: 99%

Design, Synthesis, and Antimicrobial Activities of 1,2,3-Triazole Glycoside Clickamers

et al. 2020

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“…Compounds with excellent in vitro potency in the MTB MIC were further tested for toxicity. As a result, Compounds 41a and 41b showed 18.10% inhibition and 18.12% inhibition at 50 μg/ml in an HEK cell line, respectively (Goud et al, )).…”

Section: Five‐membered Ring Compoundsmentioning

confidence: 99%

Opportunities and challenges of using five‐membered ring compounds as promising antitubercular agents

Wang

et al. 2020

Drug Development Research

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Tuberculosis (TB), a chronic infectious disease, is one of the greatest risks to human beings and 10 million people were diagnosed with TB and 1.6 million died from this disease in 2017. In addition, with the emergence of multidrug-resistant tuberculosis (MDR-TB) and extensively drug-resistant tuberculosis (XDR-TB), the TB situation has become even worse, which has aggravated the mortality and spread of this disease.To overcome this problem, research into novel antituberculosis agents with enhanced activities against MDR-TB, reduced toxicity, and shortened duration of therapy is of great importance. Fortunately, many novel potential anti-TB drug candidates with five-membered rings, which are most likely to be effective against sensitive and resistant strains, have recently entered clinical trials. Different five-membered rings such as furans, pyranoses, thiazoles, pyrazolines, imidazoles, oxazolidinone, thiazolidins, isoxazoles, triazoles, oxadiazoles, thiadiazoles, and tetrazoles have been designed, prepared, and evaluated for their antimycobacterial activity against Mycobacterium tuberculosis. In this article, we highlight the recent advances made in the discovery of novel five-membered ring compounds and focus on their antitubercular activities, toxicity, structure-activity relationships, and mechanisms of action. K E Y W O R D Santi-TB drug, antitubercular activities, five-membered ring, MDR-TB, tuberculosis

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“…Moreover, derived of the 1,3-cyclohexadione type 10a containing methyl groups (i.e., R = Me) did not display activity. The molecular docking studies of compounds active against pantothenate synthetase revealed the favorable interactions with amino acid residues of such enzyme [89].…”

Section: Anti-mycobacterial Activitymentioning

confidence: 99%

Synthesis of Biologically Active Molecules through Multicomponent Reactions

et al. 2020

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Focusing on the literature progress since 2002, the present review explores the highly significant role that multicomponent reactions (MCRs) have played as a very important tool for expedite synthesis of a vast number of organic molecules, but also, highlights the fact that many of such molecules are biologically active or at least have been submitted to any biological screen. The selected papers covered in this review must meet two mandatory requirements: (1) the reported products should be obtained via a multicomponent reaction; (2) the reported products should be biologically actives or at least tested for any biological property. Given the diversity of synthetic approaches utilized in MCRs, the highly diverse nature of the biological activities evaluated for the synthesized compounds, and considering their huge structural variability, much of the reported data are organized into concise schemes and tables to facilitate comparison, and to underscore the key points of this review.Molecules 2020, 25, 505 2 of 71 acetylcholinesterase inhibitors, anti-HIV, antimicrobial, antioxidant, anti-mycobacterial and anticancer activities ( Figure 1). It is noteworthy that 64% and 16% of the supporting literature found for this review correspond to heterocyclic structures with anticancer and antimicrobial activities, respectively. Scheme 2. Three-component synthesis of 3,4-dihydropyrimidinones/thiones type 7 under microwave irradiation, for anti-inflammatory activity.Patil et al., reported a one-pot pseudo-five-component synthesis of highly functionalized tetrahydropyridines 9 using Cu(OTf) 2 as catalyst, Scheme 3. In vitro anti-inflammatory activity of the obtained compounds 9 was determined against matrix metalloproteinases (MMPs) as MMP-2 and MMP-9 by using gelatin zymography [29]. Scheme 3. Multicomponent Cu(OTf) 2 catalyzed synthesis of substituted tetrahydropyridines 9 for anti-inflammatory activity.A highly diastereoselective synthesis (exclusively the cis isomer is formed), of chromeno β-lactam hybrids 13/14 was also achieved by an efficient one-pot three-component reaction between either 5,5-dimethylcyclohexane-1,3-dione (10a) or 4-hydroxycoumarin (10b), diverse benzaldehydes 11 and malononitrile (12), in the presence of DABCO under reflux conditions (Scheme 4). Scheme 4. Three-component synthesis of β-lactam hybrids 13/14 for anti-inflammatory activity.The synthesized compounds (13 in 80-95% yield) and (14 in 82-95% yield) were screened for anti-inflammatory activity (as well as for anticancer activity, please see Section 3.13.13. Compound 13b (Ar = 4-ClC 6 H 4 , Ar 1 = 4-MeC 6 H 4 ) was the most active of all the chromeno β-lactam hybrids 13/14 tested, with a 19.8 anti-inflammatory ratio, although, it resulted less active than the reference drug dexamethasone corticosteroid used for the treatment of rheumatoid and skin inflammation [30].

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Design, synthesis, molecular-docking and antimycobacterial evaluation of some novel 1,2,3-triazolyl xanthenones

Cited by 25 publications

References 39 publications

Design, Synthesis, and Antimicrobial Activities of 1,2,3-Triazole Glycoside Clickamers

Design, Synthesis, and Antimicrobial Activities of 1,2,3-Triazole Glycoside Clickamers

Opportunities and challenges of using five‐membered ring compounds as promising antitubercular agents

Synthesis of Biologically Active Molecules through Multicomponent Reactions

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