Design and Synthesis of New Barbituric- and Thiobarbituric Acid Derivatives as Potent Urease Inhibitors: Structure Activity Relationship and Molecular Modeling Studies

In this study 36 new compounds were synthesized by condensing barbituric acid or thiobarbituric acid and respective anilines (bearing different substituents) in the presence of triethyl orthoformate in good yields. In vitro urease inhibition studies against jack bean urease revealed that barbituric...

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Main Authors: Rauf, Abdul, Shahzad, Sohail Anjum, Bajda, Marek, Yar, Muhammad, Ahmed, Faiz, Hussain, Nazar, Akhtar, Muhammad Nadeem, Khan, Ajmal, Jończyk, Jakub
Format: Article
Language:English
Published: Elsevier Ltd 2015
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Online Access:http://umpir.ump.edu.my/id/eprint/9307/
http://umpir.ump.edu.my/id/eprint/9307/1/Design%20and%20Synthesis%20of%20New%20Barbituric-%20and%20Thiobarbituric%20Acid%20Derivatives%20as%20Potent%20Urease%20Inhibitors-%20Structure%20Activity%20Relationship%20And%20Molecular%20Modeling%20Studies.pdf
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author Rauf, Abdul
Shahzad, Sohail Anjum
Bajda, Marek
Yar, Muhammad
Ahmed, Faiz
Hussain, Nazar
Akhtar, Muhammad Nadeem
Khan, Ajmal
Jończyk, Jakub
author_facet Rauf, Abdul
Shahzad, Sohail Anjum
Bajda, Marek
Yar, Muhammad
Ahmed, Faiz
Hussain, Nazar
Akhtar, Muhammad Nadeem
Khan, Ajmal
Jończyk, Jakub
author_sort Rauf, Abdul
building UMP Institutional Repository
collection Online Access
description In this study 36 new compounds were synthesized by condensing barbituric acid or thiobarbituric acid and respective anilines (bearing different substituents) in the presence of triethyl orthoformate in good yields. In vitro urease inhibition studies against jack bean urease revealed that barbituric acid derived compounds (1-9 and 19-27) were found to exhibit low to moderate activity however thiobarbituric acid derived compounds (10-18 and 28-36) showed significant inhibition activity at low micro-molar concentrations. Among the synthesized compounds, compounds (15), (12), (10), (36), (16) and (35) showed excellent urease inhibition with IC50 values 8.53±0.027, 8.93±0.027, 12.96±0.13, 15±0.098, 18.9±0.027 and 19.7±0.63 μM, respectively, even better than the reference compound thiourea (IC50 = 21±0.011). The compound (11) exhibited comparable activity to the standard with IC50 value 21.83±0.19 μM. In silico molecular docking studies for most active compounds (10), (12), (15), (16), (35) and (36) and two inactive compounds (3) and (6) were performed to predict the binding patterns.
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spelling ump-93072018-04-19T02:39:43Z http://umpir.ump.edu.my/id/eprint/9307/ Design and Synthesis of New Barbituric- and Thiobarbituric Acid Derivatives as Potent Urease Inhibitors: Structure Activity Relationship and Molecular Modeling Studies Rauf, Abdul Shahzad, Sohail Anjum Bajda, Marek Yar, Muhammad Ahmed, Faiz Hussain, Nazar Akhtar, Muhammad Nadeem Khan, Ajmal Jończyk, Jakub Q Science (General) In this study 36 new compounds were synthesized by condensing barbituric acid or thiobarbituric acid and respective anilines (bearing different substituents) in the presence of triethyl orthoformate in good yields. In vitro urease inhibition studies against jack bean urease revealed that barbituric acid derived compounds (1-9 and 19-27) were found to exhibit low to moderate activity however thiobarbituric acid derived compounds (10-18 and 28-36) showed significant inhibition activity at low micro-molar concentrations. Among the synthesized compounds, compounds (15), (12), (10), (36), (16) and (35) showed excellent urease inhibition with IC50 values 8.53±0.027, 8.93±0.027, 12.96±0.13, 15±0.098, 18.9±0.027 and 19.7±0.63 μM, respectively, even better than the reference compound thiourea (IC50 = 21±0.011). The compound (11) exhibited comparable activity to the standard with IC50 value 21.83±0.19 μM. In silico molecular docking studies for most active compounds (10), (12), (15), (16), (35) and (36) and two inactive compounds (3) and (6) were performed to predict the binding patterns. Elsevier Ltd 2015 Article PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/9307/1/Design%20and%20Synthesis%20of%20New%20Barbituric-%20and%20Thiobarbituric%20Acid%20Derivatives%20as%20Potent%20Urease%20Inhibitors-%20Structure%20Activity%20Relationship%20And%20Molecular%20Modeling%20Studies.pdf Rauf, Abdul and Shahzad, Sohail Anjum and Bajda, Marek and Yar, Muhammad and Ahmed, Faiz and Hussain, Nazar and Akhtar, Muhammad Nadeem and Khan, Ajmal and Jończyk, Jakub (2015) Design and Synthesis of New Barbituric- and Thiobarbituric Acid Derivatives as Potent Urease Inhibitors: Structure Activity Relationship and Molecular Modeling Studies. Bioorganic & Medicinal Chemistry, 23 (17). pp. 6049-6058. ISSN 0968-0896. (Published) http://dx.doi.org/10.1016/j.bmc.2015.05.038 doi: 10.1016/j.bmc.2015.05.038
spellingShingle Q Science (General)
Rauf, Abdul
Shahzad, Sohail Anjum
Bajda, Marek
Yar, Muhammad
Ahmed, Faiz
Hussain, Nazar
Akhtar, Muhammad Nadeem
Khan, Ajmal
Jończyk, Jakub
Design and Synthesis of New Barbituric- and Thiobarbituric Acid Derivatives as Potent Urease Inhibitors: Structure Activity Relationship and Molecular Modeling Studies
title Design and Synthesis of New Barbituric- and Thiobarbituric Acid Derivatives as Potent Urease Inhibitors: Structure Activity Relationship and Molecular Modeling Studies
title_full Design and Synthesis of New Barbituric- and Thiobarbituric Acid Derivatives as Potent Urease Inhibitors: Structure Activity Relationship and Molecular Modeling Studies
title_fullStr Design and Synthesis of New Barbituric- and Thiobarbituric Acid Derivatives as Potent Urease Inhibitors: Structure Activity Relationship and Molecular Modeling Studies
title_full_unstemmed Design and Synthesis of New Barbituric- and Thiobarbituric Acid Derivatives as Potent Urease Inhibitors: Structure Activity Relationship and Molecular Modeling Studies
title_short Design and Synthesis of New Barbituric- and Thiobarbituric Acid Derivatives as Potent Urease Inhibitors: Structure Activity Relationship and Molecular Modeling Studies
title_sort design and synthesis of new barbituric- and thiobarbituric acid derivatives as potent urease inhibitors: structure activity relationship and molecular modeling studies
topic Q Science (General)
url http://umpir.ump.edu.my/id/eprint/9307/
http://umpir.ump.edu.my/id/eprint/9307/
http://umpir.ump.edu.my/id/eprint/9307/
http://umpir.ump.edu.my/id/eprint/9307/1/Design%20and%20Synthesis%20of%20New%20Barbituric-%20and%20Thiobarbituric%20Acid%20Derivatives%20as%20Potent%20Urease%20Inhibitors-%20Structure%20Activity%20Relationship%20And%20Molecular%20Modeling%20Studies.pdf