N-Arylsulfonylated C-Homoaporphines as a New Class of Antiplatelet and Antimicrobial Agents
Bharti Rajesh Kumar Shyamlal1, Amol T Mahajan2, Vikash Kumar1
1Laboratory of Organic and Medicinal Chemistry, Department of Chemistry, Malaviya National Institute of Technology, Jawaharlal Nehru Marg, Jaipur 302017, India.
Abstract:
A series of novel N-arylsulfonylated C-homoaporphine alkaloids were synthesized under microwave irradiation and evaluated for their in vitro antiplatelet and antimicrobial activities. Among the series, compounds 12a, 12c, 12e, 12f, 12h, 12j, 12k, 12m, and 12o demonstrated highly potent (∼3-fold) platelet aggregation inhibitory activity than acetylsalicylic acid (IC50 = 21.34 μg/mL). Several N-arylsulfonylated C-homoaporphines also exhibited promising antimicrobial activity against various strains, including Macrophoma phaseolina, Trichoderma reesei, and Aspergillus niger, with minimum inhibitory concentrations (MIC) of 12.5, 6.25, and 12.5 μg/mL, respectively, comparable to Ketoconazole [MIC = 12.5 μg/mL (MP and AN strain); 6.25 μg/mL (TR strain)]. 12h showed potent antibacterial activity (IC50 = 6.25 μg/mL against Escherichia coli and Bacillus subtilis) compared to Ampicillin (IC50 = 12.5 μg/mL). After thorough structure-activity relationship (SAR) and in silico studies, C-homoaporphines were identified as a novel class of antiplatelet and antimicrobial agents.
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