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Bioorg Med Chem Lett. 2008 Aug 15;18(16):4678-81. doi: 10.1016/j.bmcl.2008.07.007. Epub 2008 Jul 9.

Substituted 3-((Z)-2-(4-nitrophenyl)-2-(1H-tetrazol-5-yl) vinyl)-4H-chromen-4-ones as novel anti-MRSA agents: synthesis, SAR, and in-vitro assessment.

Author information

1
Drug Discovery Research, Chemistry, Wockhardt Research Centre, D-4, MIDC, Chikalthana, Aurangabad 431 210, India.

Abstract

In search for a new antibacterial agent with improved antimicrobial spectrum and potency, we designed and synthesized a series of novel 3-((Z)-2-(4-nitrophenyl)-2-(1H-tetrazol-5-yl) vinyl)-4H-chromen-4-ones 7a-h by convergent synthesis approach. All the synthesized compounds were assayed for their in-vitro antibacterial activities against gram-negative and gram-positive bacteria. The preliminary structure-activity relationship, to elucidate the essential structure requirements for the antimicrobial activity that results into anti-MRSA (methicillin-resistant S. aureus) potential, has been described. Amongst the synthesized compounds 7d, 7e, 7f and 7h were found to possess activity against methicillin-resistant S. aureus in addition to the activity against other bacterial strains such as E. faecalis, S. pneumoniae, and E. coli.

PMID:
18650090
DOI:
10.1016/j.bmcl.2008.07.007
[Indexed for MEDLINE]

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