Medicinal Chemistry Research

, Volume 26, Issue 11, pp 2985–2999 | Cite as

Design and synthesis of novel triazole linked pyrrole derivatives as potent Mycobacterium tuberculosis inhibitors

  • M. Lakshmi Devi
  • P. Lakshmi Reddy
  • P. Yogeeswari
  • D. Sriram
  • T. Veera ReddyEmail author
  • B. V. Subba ReddyEmail author
  • R. NarenderEmail author
Original Research


This research is focused on the rational approach to design and synthesis of a novel series of triazole linked pyrrole derivatives through a sequential Paal–Knorr reaction and Click chemistry. These new molecules were screened against Mycobacterium tuberculosis H37Rv and found to display promising anti-mycobacterial activity. Among various compounds, 7g and 7l were identified as leads with minimum inhibitory concentration value 0.78 (μg/mL), which are more effective than standard drugs such as pyrazinamide, ethambutol, and ciprofloxacin and less active than isoniazid and rifampicin. These molecules (minimum inhibitory concentration values <12.5 μg/mL) were also screened against HEK-293T cancer cell lines. Most of these molecules are less toxic but possess higher selectivity index, which indicates the suitability of these compounds for further evaluation.


Antitubercular activity Stetter reaction Paal–Knorr synthesis Click chemistry Trisubstituted pyrrole derivatives 



Authors are thankful to Dr. Lakshmi Kantham, Director and Dr. V. Jayathirtha Rao, Head, Crop Protection Chemicals Division, CSIR-IICT, Hyderabad, INDIA for their continuous encouragement, support and also P.L.R. thankful to UGC, New Delhi, India for the financial support in the form of fellowships.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no competing interests.

Supplementary material

44_2017_1997_MOESM1_ESM.doc (1.8 mb)
Supplementary Information


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Copyright information

© Springer Science+Business Media, LLC 2017

Authors and Affiliations

  1. 1.Department of ChemistryVikrama Simhapuri UniversityNelloreIndia
  2. 2.Crop Protection ChemicalsIndian Institute of Chemical TechnologyTarnakaIndia
  3. 3.Department of PharmacyBirla Institute of Technology & Science-PilaniHyderabad CampusIndia
  4. 4.Natural Product ChemistryIndian Institute of Chemical TechnologyTarnakaIndia

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