Design, Synthesis, and Anti-bacterial Activity of Novel Deoxycholic Acid-Amino Alcohol Conjugates

(E-pub Abstract Ahead of Print)

Author(s): Satyendra Mishra*, Sejal Patel.

Journal Name: Medicinal Chemistry

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Abstract:

Background: Numerous of synthetic bile acid derivatives have been recognized for its various biological activities. Among these, bile acid amides have emerged as an attractive antibacterial agent. We herein illustrate the synthesis and antibacterial evaluation of deoxycholic acid-amino alcohols conjugates.

Objective: Design and Synthesis of novel deoxycholic acid-amino alcohol conjugates to investigate their antibacterial activity against E. coli and S. aureus

Method: Novel deoxycholic acid-amino alcohol conjugates were synthesized, from conjugation of deoxycholic acid-NHS ester with amino alcohols. Various amino alcohols moieties were appended to the C24 position of deoxycholic acid to yield deoxycholic acid-amino alcohol conjugates. All the synthesized compounds were characterized by 1H NMR, 13C NMR, IR and mass-spectroscopy. The entire synthesized deoxycholic acid-amino alcohol conjugates were evaluated for their antibacterial activity against E. coli and S. aureus using the broth dilution method.

Results: The outcome illustrated that some of the novel deoxycholic acid-amino alcohol conjugates exhibited enhanced anti-bacterial activities. Amongst them, deoxycholic acid-amino alcohol conjugate containing (-R)-2-aminocyclohexanol (1) demonstrated promising efficacy against both strains S. aureus ATCC 25923 (MIC 15 µg/mL) and E. coli ATCC 25922 (MIC 45 µg/mL) and was identified as a lead molecule.

Conclusion: Numbers of novel deoxycholic acid-amino alcohol conjugates were synthesized and their antimicrobial activities provided useful information that the potency was strongly depending on the structures of deoxycholic acid-amino alcohol conjugates.

Keywords: Deoxycholic acid, amino-alcohol, antibacterial agent, S. Aureus, E. coli, conjugates

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Article Details

(E-pub Abstract Ahead of Print)
DOI: 10.2174/1573406415666190206231002
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