SYNTHESIS AND ANTIPROLIFERATIVE ACTIVITY OF NOVEL PYRANOCARBAZOLES

Authors

  • Jaya Shree Anireddy Centre for Chemical Sciences and Technology, IST, Jawaharlal Nehru Technological University
  • Pannala Padmaja Centre for Chemical Sciences and Technology, IST, Jawaharlal Nehru Technological University
  • Pedavenkatagari Narayana Reddy School of chemistry, department of chemistry, GITAM deemed to be University

DOI:

https://doi.org/10.1007/4528

Keywords:

carbazoles, (E)-N-methyl-1-(methylthio)-2-nitroethenamine, pyranocarbazoles, antiproliferative activity

Abstract

A new series of pyrano[3,2-c]carbazole and pyrano[2,3-a]carbazole derivatives have been synthesized by one-pot three-component coupling of 4-hydroxycarbazole or 2-hydroxycarbazole, aromatic substituted aldehydes, and (E)-N-methyl-1-(methylsulfanyl)-2-nitroethenamine under microwave irradiation. This rapid one-pot reaction does not require a catalyst, is solvent-free, avoids chromatographic purification, and provides good yields. The synthesized pyranocarbazole derivatives were evaluated for their antiproliferative activity against four cancer cell lines: DU 145 (prostate cancer), MDA-MB-231 (breast cancer), SKOV3 (ovarian cancer), and B16-F10 (skin cancer). N-Methyl-3-nitro-4-(3,4,5-trimethoxyphenyl)-4,7-dihydropyrano[3,2-c]carbazol-2-amine exhibited the most potent antiproliferative activity against the tested cell lines, while other test compounds showed weak or moderate antiproliferative activity, among them Nmethyl-3-nitro-4-phenyl-4,7-dihydropyrano[3,2-c]carbazol-2-amine, 4-(4-fluorophenyl)-Nmethyl-3-nitro-4,7-dihydropyrano[3,2-c]carbazol-2amine, and N-methyl-2-nitro-1-phenyl-1,11-dihydropyrano[3,2-a]carbazol-3-amine displayed IC50 values in the low micromolar range.

Published

2018-10-01

Issue

Section

Original Papers