Synthesis and antimicrobial evaluation of some new substituted purine derivatives


Tuncbilek M., Ates-Alagoz Z., Altanlar N., KARAYEL A., ÖZBEY S.

BIOORGANIC & MEDICINAL CHEMISTRY, cilt.17, ss.1693-1700, 2009 (SCI İndekslerine Giren Dergi) identifier identifier identifier

  • Cilt numarası: 17 Konu: 4
  • Basım Tarihi: 2009
  • Doi Numarası: 10.1016/j.bmc.2008.12.050
  • Dergi Adı: BIOORGANIC & MEDICINAL CHEMISTRY
  • Sayfa Sayıları: ss.1693-1700

Özet

A series of 8,9-disubstituted adenines (4, 5, 8), 6-substituted aminopurines (10-13) and 9-(p-fluorobenzyl/cyclopentyl)-6-substituted aminopurines (16, 17, 19-30) have been prepared and the antimicrobial activities of these compounds against Staphylococcus aureus, methicillin-resistant S. aureus (MRSA, standard and clinical isolate), Bacillus subtilis, Escherichia coli and Candida albicans were evaluated. 6[(N-phenylaminoethyl)amino]-9H-purine (12) which has no substitution at N-9 position and 9-cyclopentyl-6-[(4-fluorobenzyl) amino]-9H-purine (24) exhibited excellent activity against C. albicans with MIC 3.12 mu g/mL. These compounds displayed better antifungal activity than that of standard oxiconazole. Furthermore, compound 22 carrying 4-chlorobenzylamino group at the 6-position of the purine moiety exhibited comparable antibacterial activity with that of the standard ciprofloxacin against both of the drug-resistant bacteria (MRSA, standard and clinical isolate). (C) 2008 Elsevier Ltd. All rights reserved.