• CHIDAMBARAM GUNANATHAN

      Articles written in Journal of Chemical Sciences

    • Catalytic dearomative hydroboration of heteroaromatic compounds

      BASUJIT CHATTERJEE CHIDAMBARAM GUNANATHAN

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      This review offers a comprehensive discussion on literature concerning the development of catalytic protocols for the dearomative hydroboration of heteroaromatic compounds. The importance of selective dearomatization of heteroarenes, their remarkable applications along with the development ofdifferent catalytic methods and their synthetic scopes are emphasized.

    • Ruthenium-catalyzed acceptorless dehydrogenation of heterocycles

      DEEPSAGAR MANIKPURI DEEPAK RANJAN PRADHAN BASUJIT CHATTERJEE CHIDAMBARAM GUNANATHAN

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      Highly efficient, selective ruthenium-catalyzed acceptorless dehydrogenation of heterocycles isreported. A simple and readily accessible dinuclear monohydrido bridged ruthenium complex [{(η6-p-cymene)RuCl}2(μ-H-μ-Cl)] 1 is employed as a catalyst. The proposed reaction mechanism for dehydrogenationof N-heterocycles begins with N–H activation by the metal center; subsequent C–H activation andisomerization lead to the liberation of molecular hydrogen and formation of N-heteroarenes. Overall, thisprotocol can have applications in developing hydrogen storage strategies, biomass valorization, and atomeconomicalsynthesis of heteroarenes.

      A simple and readily accessible dinuclear monohydrido bridged ruthenium complex [{(η6-p-cymene)RuCl}2(μ-H-μ-Cl)] is reported as a catalyst for acceptorless dehydrogenation of heterocycles. The proposed mechanism involves initial N–H activation of heterocycles by the metal center followed by isomerization, which provides the product N-heteroarenes with the liberation of molecular hydrogen.

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