Rational design and synthesis of novel diphenyl ether derivatives as antitubercular agents

Sidhartha S. Kar, Varadaraj G. Bhat, Praveen P.N. Rao, Vishnu P. Shenoy, Indira Bairy, G. Gautham Shenoy

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

A series of triclosan mimic diphenyl ether derivatives have been synthesized and evaluated for their in vitro antitubercular activity against Mycobacterium tuberculosis H37Rv. The binding mode of the compounds at the active site of enoyl-acyl carrier protein reductase of M. tuberculosis has been explored. Among them, compound 10b was found to possess antitubercular activity (minimum inhibitory concentration =12.5 μg/mL) comparable to triclosan. All the synthesized compounds exhibited low levels of cytotoxicity against Vero and HepG2 cell lines, and three compounds 10a, 10b, and 10c had a selectivity index more than 10. Compound 10b was also evaluated for log P, pKa, human liver microsomal stability, and % protein binding, in order to probe its druglikeness. Based on the antitubercular activity and druglikeness profile, it may be concluded that compound 10b could be a lead for future development of antitubercular drugs.

Original languageEnglish
Pages (from-to)2299-2310
Number of pages12
JournalDrug Design, Development and Therapy
Volume10
DOIs
Publication statusPublished - 18-07-2016

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Triclosan
Antitubercular Agents
Mycobacterium tuberculosis
Acyl Carrier Protein
Vero Cells
Hep G2 Cells
Microbial Sensitivity Tests
Protein Binding
Catalytic Domain
Oxidoreductases
Cell Line
Liver
phenyl ether
Lead
In Vitro Techniques

All Science Journal Classification (ASJC) codes

  • Pharmacology
  • Pharmaceutical Science
  • Drug Discovery

Cite this

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abstract = "A series of triclosan mimic diphenyl ether derivatives have been synthesized and evaluated for their in vitro antitubercular activity against Mycobacterium tuberculosis H37Rv. The binding mode of the compounds at the active site of enoyl-acyl carrier protein reductase of M. tuberculosis has been explored. Among them, compound 10b was found to possess antitubercular activity (minimum inhibitory concentration =12.5 μg/mL) comparable to triclosan. All the synthesized compounds exhibited low levels of cytotoxicity against Vero and HepG2 cell lines, and three compounds 10a, 10b, and 10c had a selectivity index more than 10. Compound 10b was also evaluated for log P, pKa, human liver microsomal stability, and {\%} protein binding, in order to probe its druglikeness. Based on the antitubercular activity and druglikeness profile, it may be concluded that compound 10b could be a lead for future development of antitubercular drugs.",
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Rational design and synthesis of novel diphenyl ether derivatives as antitubercular agents. / Kar, Sidhartha S.; Bhat, Varadaraj G.; Rao, Praveen P.N.; Shenoy, Vishnu P.; Bairy, Indira; Shenoy, G. Gautham.

In: Drug Design, Development and Therapy, Vol. 10, 18.07.2016, p. 2299-2310.

Research output: Contribution to journalArticle

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