A New Binuclear Ni(Ii) Complex, an Effective A3-Coupling Catalyst in Solvent-Free Condition

Binuclear copper complex as a new dual‐use catalyst for cycloaddition and coupling reactions: Synthesis, characterization, and application

“…The findings indicate that by using 0.3 mol% of catalyst, the highest yield was obtained after 5 h (96%, entry 12). However, reducing the catalyst quantity from 0.3 to 0.1 mol% caused a decline in conversion from 96% to 74% (entries [12][13][14]. The increment of the catalyst amount to 0.4 mol% did not lead to an improvement in the yield of the reaction (entry 15).…”

“…Notably, employing water as a green solvent resulted in an impressive 98% isolated yield for the synthesis of related products. The impact of the catalyst amount was evaluated by performing a set of experiments with varying quantities of complex 1 in water at 65 C for 7 h (entries [11][12][13][14]. By employing a 0.35 mol% dinuclear copper catalyst, an excellent yield (98%) can be obtained in a mere 7 h. Moreover, the decrease in catalyst loading has been found to negative impact on CuAAC reactions.…”

“…[1][2][3][4][5][6][7][8][9][10] Among these, for several decades, transition metal complexes have been of special attention because of their catalytic abilities. [11][12][13][14] Recently, there has been a focus on developing new copper complexes with various ligands containing oxygen and nitrogen donors and studying their catalytic activity, especially in environmentally friendly processes. [15][16][17] Binuclear complexes are experiencing a resurgence of interest because of the potential of bimetallic cooperativity.…”

“…Transition metal catalysis has been widely employed to assist in intricate chemical conversions, ultimately yielding products of high value 1–10 . Among these, for several decades, transition metal complexes have been of special attention because of their catalytic abilities 11–14 . Recently, there has been a focus on developing new copper complexes with various ligands containing oxygen and nitrogen donors and studying their catalytic activity, especially in environmentally friendly processes 15–17 …”