NDLI: A discrete self-assembled palladium nano-cage catalyses Suzuki–Miyaura coupling heterogeneously and Heck

Content Provider	Royal Society of Chemistry (RSC)
Author	John, Rohith P. Pradhan, Subhashis
Copyright Year	2015
Abstract	A coordination driven Pd2L4 self-assembly has been synthesized using a new semi rigid dipodal ligand L. The palladium(II) self assembly was characterized by multinuclear NMR and ESI-mass spectroscopic techniques and elemental analysis. The size of the assembly was determined by HR-TEM analysis and the results are in agreement with theoretical calculations. The assembly shows applicability as an effective heterogeneous reusable catalyst for the Suzuki–Miyaura coupling reaction without losing its catalytic activity in aqueous ethanol under mild and phosphine free conditions. It shows equally high efficiency for arylboronic acid and bromoarenes having electron-poor and electron-rich functional groups. Besides, it also shows efficient catalytic activity as a homogeneous catalyst in the Heck–Mizoroki coupling reaction in an aqueous DMF medium. The heterogeneous and homogeneous nature of the catalysis was monitored by ICP-AES measurements, poison test and three-phase test. The integrity of the catalyst was evaluated by FE-SEM/EDX analysis.
Starting Page	5759
Ending Page	5766
Page Count	8
File Format	HTM / HTML PDF
ISSN	11440546
Volume Number	39
Issue Number	7
Journal	New Journal of Chemistry
DOI	10.1039/c5nj01032b
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Cyanide Miyaura Mizoroki Ligand Phosphine Three-phase Nuclear magnetic resonance spectroscopy Inductively coupled plasma atomic emission spectroscopy Self-assembly Homogeneous catalysis Suzuki Coupling reaction
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Chemistry Catalysis

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