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Design, synthesis, docking studies and biological screening of 2-thiazolyl substituted -2,3-dihydro-1H-naphtho[1,2-e][1,3]oxazines as potent HIV-1 reverse transcriptase inhibitors.

Identifieur interne : 000C95 ( Main/Exploration ); précédent : 000C94; suivant : 000C96

Design, synthesis, docking studies and biological screening of 2-thiazolyl substituted -2,3-dihydro-1H-naphtho[1,2-e][1,3]oxazines as potent HIV-1 reverse transcriptase inhibitors.

Auteurs : Rakhi Gawali [Inde] ; Jay Trivedi [Inde] ; Sujit Bhansali [Inde] ; Raghunath Bhosale [Inde] ; Dhiman Sarkar [Inde] ; Debashis Mitra [Inde]

Source :

RBID : pubmed:30099253

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English descriptors

Abstract

1,3-oxazine nucleus and thiazolyl group features prominently in many biologically important natural products as well as bioactive molecules. A series of novel 2-thiazolyl substituted-2,3-dihydro-1H-naphtho [1,2-e][1,3]oxazine derivatives were designed and synthesized based on their structure-activity relationships (SARs) from 2-naphthol, substituted thiazolyl amines and formalin through ring closure by one-pot three component reaction. These derivatives were first evaluated for their inhibitory effect on HIV-1 Reverse Transcriptase (RT) enzyme activity. Out of 14 compounds, 4 showed potent inhibition of HIV-1 RT activity at significantly low concentration. Docking studies of these molecules revealed their high affinity binding to several amino acids of HIV-1 RT which are less sensitive to point mutations. Furthermore, anti-HIV activity of these molecules was analysed in a CD4+ T cell-line, which indicates that Therapeutic Index (TI) of some of these compounds is better than Zidovudine and Efavirenz, known HIV-1 RT inhibitors. Taken together, our studies report for the first time some novel naphthoxazine derivatives with significant TI, which is through inhibition of HIV-1 RT activity.

DOI: 10.1016/j.ejmech.2018.07.067
PubMed: 30099253


Affiliations:


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<term>Dose-Response Relationship, Drug</term>
<term>Drug Design</term>
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<term>Conception de médicament</term>
<term>Inhibiteurs de la transcriptase inverse ()</term>
<term>Inhibiteurs de la transcriptase inverse (pharmacologie)</term>
<term>Inhibiteurs de la transcriptase inverse (synthèse chimique)</term>
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<term>Naphtalènes (synthèse chimique)</term>
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<term>Oxazines (synthèse chimique)</term>
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<term>Relation structure-activité</term>
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<term>Structure moléculaire</term>
<term>Tests de sensibilité microbienne</term>
<term>Thiazoles ()</term>
<term>Thiazoles (pharmacologie)</term>
<term>Thiazoles (synthèse chimique)</term>
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<front>
<div type="abstract" xml:lang="en">1,3-oxazine nucleus and thiazolyl group features prominently in many biologically important natural products as well as bioactive molecules. A series of novel 2-thiazolyl substituted-2,3-dihydro-1H-naphtho [1,2-e][1,3]oxazine derivatives were designed and synthesized based on their structure-activity relationships (SARs) from 2-naphthol, substituted thiazolyl amines and formalin through ring closure by one-pot three component reaction. These derivatives were first evaluated for their inhibitory effect on HIV-1 Reverse Transcriptase (RT) enzyme activity. Out of 14 compounds, 4 showed potent inhibition of HIV-1 RT activity at significantly low concentration. Docking studies of these molecules revealed their high affinity binding to several amino acids of HIV-1 RT which are less sensitive to point mutations. Furthermore, anti-HIV activity of these molecules was analysed in a CD4
<sup>+</sup>
T cell-line, which indicates that Therapeutic Index (TI) of some of these compounds is better than Zidovudine and Efavirenz, known HIV-1 RT inhibitors. Taken together, our studies report for the first time some novel naphthoxazine derivatives with significant TI, which is through inhibition of HIV-1 RT activity.</div>
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