NDLI: Highly Active Pandanus Nanocellulose-Supported Poly(amidoxime) Copper (II) Complex for Ullmann Cross-Coupling Reaction

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Highly Active Pandanus Nanocellulose-Supported Poly(amidoxime) Copper (II) Complex for Ullmann Cross-Coupling Reaction

Content Provider	MDPI
Author	Fui, Choong Jian Ting, Tang Xin Sarjadi, Mohd Sani Rahman, Lutfor
Copyright Year	2020
Description	The transition metal-catalyzed chemical transformation of organic electrophiles, and organometallic reagents have turned up as an exceedingly robust synthetic tool. The evolution of transition metal catalysts has attained a stage of civilization that authorizes for an extensive scope of chemical bonds formation partners to be combined efficiently. The applications of Cu-based nanoparticles have received great attention owing to the earth-abundant, low toxicity and inexpensive. Due to these characteristics, copper nanoparticles have generated a great deal of interest especially in the field of catalysis. In this study, poly(acrylonitrile) was synthesized by undergoes free-radical initiation process and followed by Beckmann rearrangement with hydroxylamine solution converted into the poly(amidoxime) ligand and anchored the copper onto poly(amidoxime). Cu(II)@PAM was characterized using different techniques such as FTIR, FESEM, EDX, TEM, TGA, DSC, ICP-OES, and XPS analyses. The Cu(II)@PAM showed high stability and high catalytic activity in a wide variety of electrophilic substituted phenols with substituted aryl/benzyl halides. 0.15 mol%, ±3 mg of Cu(II)@PAM could efficiently promote Ullmann reaction to give the corresponding coupling product up to 99 % yields. The complex was easy separated and recovered from the reaction mixture by simple filtration.
Starting Page	14
e-ISSN	26734583
DOI	10.3390/ECCS2020-07530
Journal	Chemistry Proceedings
Issue Number	1
Volume Number	2
Language	English
Publisher	MDPI
Publisher Date	2020-11-09
Access Restriction	Open
Subject Keyword	Chemistry Proceedings Organic Chemistry Pandanus Nanocellulose Poly(amidoxime), Copper (ii) Complex Ullmann Reaction C-o Bond Formation
Content Type	Text

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