Nickel-catalyzed regioselective intramolecular acetylene hydroarylation process has been developed to produce dibenzo[b,e]azepin-6-one derivatives efficiently. DFT calculations are done to investigate the mechanistic pathway and one of the molecules is docked and shows strong interactions with human hemoglobin.

Abstract

A nickel-catalyzed intramolecular acetylene hydroarylation process has been described to produce dibenzo[b,e]azepin-6-one derivatives in an effective, regioselective manner. This procedure demonstrates a broad substrate scope and exceptional tolerance to various functional groups. Mechanistic insights were confirmed through the use of the density functional theory method. Selective synthesized compounds were subjected to biophysical analysis such as UV–vis absorption spectroscopy, fluorescence spectroscopy, stoichiometric analysis, thermal melting, and circular dichroism spectroscopic analysis revealing strong binding affinity to exploit their interactions with human hemoglobin (Hb). Additionally, molecular docking studies provided insights into the interactions between the synthesized molecule and human Hb.