Palladium nanoparticles catalyzed Sonogashira reactions for the one-pot synthesis of symmetrical and unsymmetrical diarylacetylenes

Fluorescent 1-Arylidene-1,3-dihydroisobenzofuran: Ligand-Free Palladium Nanoparticles, Catalyzed Domino Synthesis and Photophysical Studies

“…The catalyst system was used for various organic transformations, in the absence– or presence of additional ligands. While Suzuki and Sonogashira coupling reactions were carried out in the absence of any additional ligand,– synthesis of benzofurans by a domino approach required PPh 3 . The methodologies developed by us have been found to be useful by other research groups for the synthesis of compounds of their interest .…”

“…We have established a simple method to prepare LF‐PdNPs by stirring a 2 mM solution of Pd(OAc) 2 in CH 3 OH:CH 3 CN (1:1) over a period of 2–3 h at room temperature ,. The catalyst system was used for various organic transformations, in the absence– or presence of additional ligands. While Suzuki and Sonogashira coupling reactions were carried out in the absence of any additional ligand,– synthesis of benzofurans by a domino approach required PPh 3 .…”

N,N-Dimethylformamide-stabilized copper nanoparticles as a catalyst precursor for Sonogashira–Hagihara cross coupling

“…26,27,30 There are many reports of Sonogashira coupling catalyzed by M NPs. [31][32][33][34][35][36][37] However, in almost all cases, these reports describe Pd NP catalyst systems. [31][32][33][38][39][40][41] Cu NPs are superior in terms of cost, but there are a limited number of examples in which Cu NPs are used as catalysts for the Sonogashira reaction.…”

“…[31][32][33][34][35][36][37] However, in almost all cases, these reports describe Pd NP catalyst systems. [31][32][33][38][39][40][41] Cu NPs are superior in terms of cost, but there are a limited number of examples in which Cu NPs are used as catalysts for the Sonogashira reaction. [34][35][36][37] In addition, a greater amount of catalyst is required for Cu NP-catalyzed reactions, and multi-step procedures are required for the synthesis of these catalysts.…”

Synthesis of palladium nanoparticles with leaf extract of Chrysophyllum cainito (Star apple) and their applications as efficient catalyst for C–C coupling and reduction reactions

“…in the recent past [1][2][3][4][5][6][7][8][9]. Among various transition metal nanoparticles (MNPs), the palladium nanoparticles (PdNPs) have drawn significant attention of the scientific community because of its efficiency as a catalyst for C-C coupling reactions which is one of the most powerful transformations in organic chemistry [10][11][12][13][14][15][16][17]. In the synthesis of PdNPs, the use of the proper stabilizing agents is crucial to maintain the active surface of the nanoparticles as well as to avoid the formation of less-active palladium black [10].…”