Synthesis and molecular modeling of antimicrobial active fluoroquinolone-pyrazine conjugates with amino acid linkers

Siva S Panda

doi:10.1016/j.bmcl.2016.03.062

Synthesis and molecular modeling of antimicrobial active fluoroquinolone-pyrazine conjugates with amino acid linkers

Siva S Panda

Chemistry and Biochemistry

Research output: Contribution to journal › Article › peer-review

47 Scopus citations

Abstract

Novel fluoroquinolone-pyrazine conjugates 7a-h with amino acid linkers were synthesized in good yields utilizing benzotriazole chemistry. Antimicrobial bioassay showed that the synthesized bis-conjugates have antimicrobial properties comparable to the parent drugs. Compound 7h showed superior antibacterial activity against Staphylococcus aureus and Streptococcus pyogenes (MIC=74.6 μM and 149.3 μM, respectively). This matched well with the estimated values obtained from 3D-pharmacophore and 2D-QSAR studies (MIC=67 μM and 92.9 μM, respectively).

Original language	English (US)
Pages (from-to)	2198-205
Number of pages	8
Journal	Bioorganic and Medicinal Chemistry Letters
Volume	26
Issue number	9
DOIs	https://doi.org/10.1016/j.bmcl.2016.03.062
State	Published - May 1 2016

Keywords

Journal Article
Research Support, Non-U.S. Gov't

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10.1016/j.bmcl.2016.03.062

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abstract = "Novel fluoroquinolone-pyrazine conjugates 7a-h with amino acid linkers were synthesized in good yields utilizing benzotriazole chemistry. Antimicrobial bioassay showed that the synthesized bis-conjugates have antimicrobial properties comparable to the parent drugs. Compound 7h showed superior antibacterial activity against Staphylococcus aureus and Streptococcus pyogenes (MIC=74.6 μM and 149.3 μM, respectively). This matched well with the estimated values obtained from 3D-pharmacophore and 2D-QSAR studies (MIC=67 μM and 92.9 μM, respectively).",

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AU - Panda, Siva S

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N2 - Novel fluoroquinolone-pyrazine conjugates 7a-h with amino acid linkers were synthesized in good yields utilizing benzotriazole chemistry. Antimicrobial bioassay showed that the synthesized bis-conjugates have antimicrobial properties comparable to the parent drugs. Compound 7h showed superior antibacterial activity against Staphylococcus aureus and Streptococcus pyogenes (MIC=74.6 μM and 149.3 μM, respectively). This matched well with the estimated values obtained from 3D-pharmacophore and 2D-QSAR studies (MIC=67 μM and 92.9 μM, respectively).

AB - Novel fluoroquinolone-pyrazine conjugates 7a-h with amino acid linkers were synthesized in good yields utilizing benzotriazole chemistry. Antimicrobial bioassay showed that the synthesized bis-conjugates have antimicrobial properties comparable to the parent drugs. Compound 7h showed superior antibacterial activity against Staphylococcus aureus and Streptococcus pyogenes (MIC=74.6 μM and 149.3 μM, respectively). This matched well with the estimated values obtained from 3D-pharmacophore and 2D-QSAR studies (MIC=67 μM and 92.9 μM, respectively).

KW - Journal Article

KW - Research Support, Non-U.S. Gov't

U2 - 10.1016/j.bmcl.2016.03.062

DO - 10.1016/j.bmcl.2016.03.062

M3 - Article

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SN - 0960-894X

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JO - Bioorganic and Medicinal Chemistry Letters

JF - Bioorganic and Medicinal Chemistry Letters

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ER -

Synthesis and molecular modeling of antimicrobial active fluoroquinolone-pyrazine conjugates with amino acid linkers

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