Synthesis, antidiabetic activity and in silico studies of benzo[b]thiophene based small molecule α-amylase inhibitors

Joshi, Rupal J.; Dholariya, Monil P.; Chothani, Savankumar R.; Chamakiya, Chirag A.; Varu, Hardik L.; Karmur, Manisha B.; Maliwal, Deepika; Pissurlenkar, Raghuvir R.S.; Bapodra, Atul H.; Patel, Anilkumar S.; Kapuriya, Naval P.

doi:10.1016/j.molstruc.2024.138570

Journal of Molecular Structure

2024

DOI: 10.1016/j.molstruc.2024.138570

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Synthesis, antidiabetic activity and in silico studies of benzo[b]thiophene based small molecule α-amylase inhibitors

Rupal J. Joshi,

Monil P. Dholariya,

Savankumar R. Chothani

et al.

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Cited by 4 publications

References 54 publications

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2‐Chloroquinolinyl‐thiazolidine‐2,4‐dione Hybrids as Potential α‐Amylase Inhibitors: Synthesis, Biological Evaluations, and In Silico Studies

Karmur,

Dholariya,

Patel

et al. 2024

ChemistrySelect

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Recently, molecular hybridization strategy has paved a way to develop novel lead compounds for the α‐amylase targeted antidiabetic therapy. In this study, we disclosed a series of new hybrids of thiazolidine‐2,4‐diones with 2‐chloroquinoline‐3‐yl moiety as potential antidiabetic agents. The molecular structures of all the synthesized hybrids (15a–n) were confirmed by spectroscopic studies (FT‐IR, ESI‐MS, 1H, 13C NMR, and elemental analysis). When in vitro antidiabetic evaluation of these agents was carried out in a dose‐dependent manner, it was revealed that several compounds (15f–h, 15j, and 15n) were endowed with significant antidiabetic activities and exhibited more than 50% α‐amylase inhibition at a dose of 50 µg/mL. Particularly, hybrid 15n was found to be more potent than acarbose with 95% inhibition of α‐amylase and IC50 of 5.00 ± 0.18 µM under given conditions. Further, it was demonstrated that 15n bearing 2‐chloroquinolinyl and thiazolidin‐2,4‐dione scaffolds functionalized with 3‐OMe and 4‐OH groups was not only able to effectively bind with α‐amylase receptor site with best docking score (−9.644 kcal/mol) but also possessed drug‐likenesses properties with no violations of Lipinski rule. Overall, this study discovered new 2‐chloroquinolinyl‐thiazolidine‐2,4‐diones hybrids as novel α‐amylase inhibitors and compound 15n as promising lead for its further development as antidiabetic agent.

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2‐Chloroquinolinyl‐thiazolidine‐2,4‐dione Hybrids as Potential α‐Amylase Inhibitors: Synthesis, Biological Evaluations, and In Silico Studies

Karmur,

Dholariya,

Patel

et al. 2024

ChemistrySelect

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Synthesis of novel tetrahydrobenzo[b]thiophene-3-carbonitrile (THBTC)-based heterocycles: Structural insights, reactivity profiles, and in-silico bioactivity studies

Sebhaoui,

Ashraf,

Iqbal

et al. 2025

Journal of Molecular Structure

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Indole–thiazolidinedione–triazole hybrids: synthesis, molecular docking, absorption, distribution, metabolism and excretion (ADME) profiling, and biological evaluation as α-amylase inhibitors

Dholariya,

Patel

2024

Chemistry Letters

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A novel series of hybrid indole–thiazolidinedione–triazole derivatives (6a-l) were synthesized and assessed for their in vitro inhibitory activity against porcine pancreatic α-amylase. The synthetic procedure consists of 3 steps. A crucial step in this process involves the generation of novel target molecules using a Cu(I)-catalyzed azide–alkyne cycloaddition reaction. The α-amylase inhibition IC50 value of the targeted compounds ranged from 0.51 ± 0.02 to 7.99 ± 0.28 μM as compared with 0.68 ± 0.02 μM with acarbose as the standard drug. Using the Autodock technique, all the derivatives 6a-l were subjected to molecular docking investigations against porcine pancreatic α-amylase (PDB ID: 1OSE). Moreover, it was discovered that the docked compounds had excellent binding affinities that ranged from −10.1 to −10.8 kcal/mol as compared with the standard −7.9 kcal/mol. Additionally, a comprehensive analysis of the physicochemical and pharmacokinetic properties associated with absorption, distribution, metabolism and excretion (ADME) was conducted for all the synthesized compounds.

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Synthesis, antidiabetic activity and in silico studies of benzo[b]thiophene based small molecule α-amylase inhibitors

Cited by 4 publications

References 54 publications

2‐Chloroquinolinyl‐thiazolidine‐2,4‐dione Hybrids as Potential α‐Amylase Inhibitors: Synthesis, Biological Evaluations, and In Silico Studies

2‐Chloroquinolinyl‐thiazolidine‐2,4‐dione Hybrids as Potential α‐Amylase Inhibitors: Synthesis, Biological Evaluations, and In Silico Studies

Synthesis of novel tetrahydrobenzo[b]thiophene-3-carbonitrile (THBTC)-based heterocycles: Structural insights, reactivity profiles, and in-silico bioactivity studies

Indole–thiazolidinedione–triazole hybrids: synthesis, molecular docking, absorption, distribution, metabolism and excretion (ADME) profiling, and biological evaluation as α-amylase inhibitors

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