1H-1,2,3-Triazole-Tethered Isatin–Ferrocene and Isatin–Ferrocenylchalcone Conjugates: Synthesis and in Vitro Antitubercular Evaluation
Organometallics, 2013•ACS Publications
A Cu-mediated azide–alkyne cycloaddition protocol has been employed for the synthesis of
16 different triazoles to probe the antitubercular structure–activity relationships within the
isatin–ferrocene–triazole conjugate family. The antitubercular evaluation studies revealed a
marked improvement in activity with the introduction of ferrocene nucleus among precursors
N-alkylazido isatins with a prefernce for halogen (F, Cl) substituent at C-5 position of isatin
as well as propyl chain length as a spacer. The induction of a chalcone nucleus resulted in …
16 different triazoles to probe the antitubercular structure–activity relationships within the
isatin–ferrocene–triazole conjugate family. The antitubercular evaluation studies revealed a
marked improvement in activity with the introduction of ferrocene nucleus among precursors
N-alkylazido isatins with a prefernce for halogen (F, Cl) substituent at C-5 position of isatin
as well as propyl chain length as a spacer. The induction of a chalcone nucleus resulted in …
A Cu-mediated azide–alkyne cycloaddition protocol has been employed for the synthesis of 16 different triazoles to probe the antitubercular structure–activity relationships within the isatin–ferrocene–triazole conjugate family. The antitubercular evaluation studies revealed a marked improvement in activity with the introduction of ferrocene nucleus among precursors N-alkylazido isatins with a prefernce for halogen (F, Cl) substituent at C-5 position of isatin as well as propyl chain length as a spacer. The induction of a chalcone nucleus resulted in the enhanced antimycobacterial efficacy irrespective of the subtituent and alkyl chain length as evidenced by the isatin–ferrocenylchalcone hybrids. The described protocol is the first successful attempt of the amalgamation of ferrocene–isatin nuclei tethered via a triazole linker.
ACS Publications
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