NDLI: Pd–Cu Bimetallic Catalyst on Amidoxime Fiber Realizing an Alternative and High-Efficient Cyanation of Aryl Halide

Content Provider	Springer Nature Link
Author	Wu, Zhi Chuan Yang, Quan Ge, Xin Ren, Yi Ming Yang, Ren Chun Tao, Ting Xian
Copyright Year	2017
Abstract	The reaction of aryl halide cyanation through safe, efficient and stable pathway is of great significance in the industry of fine chemicals. Here, using potassium ferrocyanide and Pd–Cu bimetallic catalyst supported on amidoxime fibers (Cu(I)Pd(II)-AOFs), we propose an alternative reaction pathway for aryl halide cyanation. It shows that a high catalytic activity of cyanation is over 90% for aryl bromides/iodides and about 50% for aryl chlorides at reaction time (2 h), heating reflux in DMAc, in air. The morphology, composition and structure of the prepared catalysts are characterized by SEM, XRD and XPS. The changes of binding energy (N1s O1s Pd3d) show that Pd(II) ions is coordinated with the –NH2/–OH in AOFs, and that Pd(0) and Cu(II) are detected on the surface of AOFs after reaction. These results indicate that CuI makes Pd2+ reduce to Pd0 so as to produce activity central, and that AOFs coordination action is to enhance Pd0 central activity, and that CuI promotes the cyanide ion in potassium ferrocyanide dissociation. A high-efficient cyanation of aryl halide is successfully achieved by the synergistic action with the three actions.
Starting Page	1333
Ending Page	1338
Page Count	6
File Format	PDF
ISSN	1011372X
Journal	Catalysis Letters
Volume Number	147
Issue Number	6
e-ISSN	1572879X
Language	English
Publisher	Springer US
Publisher Date	2017-04-07
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Fiber palladium complexes Potassium ferrocyanide Cyano reaction Catalysis Industrial Chemistry/Chemical Engineering Organometallic Chemistry Physical Chemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry Catalysis

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