Copper-free Sonogashira cross-coupling reactions: an overview
The Sonogashira reaction is a cross-coupling reaction of a vinyl or aryl halide with a terminal
alkyne to form a C–C bond. In its original form, the Sonogashira reaction is performed with a …
alkyne to form a C–C bond. In its original form, the Sonogashira reaction is performed with a …
Click-derived multifunctional metal complexes for diverse applications
The Click reaction that involves Cu (I)-catalyzed azide–alkyne cycloaddition (CuAAC) serves
as the most potent and highly dependable tool for the development of many complex …
as the most potent and highly dependable tool for the development of many complex …
Novel Highly Efficient Green and Reusable Cu (II)/Chitosan-Based Catalysts for the Sonogashira, Buchwald, Aldol, and Dipolar Cycloaddition Reactions
In this study, new Cu (II)/chitosan-based systems were designed via (i) the treatment of
chitosan with sodium sulfate (1a) or sodium acetate (1b);(ii) the coating of 1a or 2a with a …
chitosan with sodium sulfate (1a) or sodium acetate (1b);(ii) the coating of 1a or 2a with a …
The first selenium containing chitin and chitosan derivatives: Combined synthetic, catalytic and biological studies
Ultrasonic approach to the synthesis of the first selenium-containing derivatives of chitin and
chitosan has been developed. The synthetic procedure is simple, provides high yields, does …
chitosan has been developed. The synthetic procedure is simple, provides high yields, does …
[HTML][HTML] Marine waste derived chitin biopolymer for N-containing supports, catalysts and chemicals
N Lucas, CV Rode - Tetrahedron Green Chem, 2023 - Elsevier
Efficacious waste valorisation is a promising strategy towards sustainability. Marine waste
which was undervalued and underutilized for a long time has attracted attention recently to …
which was undervalued and underutilized for a long time has attracted attention recently to …
Magnetic chitosan-functionalized cobalt-NHC: synthesis, characterization and catalytic activity toward Suzuki and Sonogashira cross-coupling reactions of aryl …
AR Hajipour, SS Malek - Molecular Catalysis, 2021 - Elsevier
Aryl chlorides are one of the most stable and available electrophiles, however, their coupling
with nucleophiles remains a challenge in organic synthesis. Herein, we prepared a Cobalt …
with nucleophiles remains a challenge in organic synthesis. Herein, we prepared a Cobalt …
Alkali lignin mediated chitin self-assembly for constructing a fully naturally resourced bioplastic
X Hu, X Ma, C Chang, B Duan - Chemical Engineering Journal, 2025 - Elsevier
Exploring green and sustainable alternative materials to address the growing environmental
issue caused by petroleum-based plastics has led to increasing attention for the …
issue caused by petroleum-based plastics has led to increasing attention for the …
Palladium‐immobilized polymer‐coated magnetic nanocomposites as reusable catalysts for the reduction of 4‐nitrophenol
U Mahanitipong, M Rutnakornpituk - Polymer International, 2022 - Wiley Online Library
Palladium‐immobilized polymer‐coated magnetic nanoparticles (MNP@ polymer‐Pd) were
successfully synthesized for use as reusable catalysts for the reduction of 4‐nitrophenol …
successfully synthesized for use as reusable catalysts for the reduction of 4‐nitrophenol …
[HTML][HTML] New Antibacterial and Antioxidant Chitin Derivatives: Ultrasonic Preparation and Biological Effects
This work focuses on the first use of ultrasonic phenol-ene coupling as a polymer analogous
transformation. The ultrasonic reaction was introduced into chitin chemistry, resulting in the …
transformation. The ultrasonic reaction was introduced into chitin chemistry, resulting in the …
Functionalization of the magnetic chitosan support with dipyridylamine as a nitrogen-rich pincer ligand for Pd immobilization and investigation of catalytic efficiency in …
In this study, at first a NNN pincer type ligand was synthesized through the nucleophilic
substitution reaction of 2, 2′-dipyridylamine with trichloro-1, 3, 5-triazine in 2: 1 ratio. In the …
substitution reaction of 2, 2′-dipyridylamine with trichloro-1, 3, 5-triazine in 2: 1 ratio. In the …