Copper Tetrasulfophthalocyanine Intercalated Hydrotalcite as an Efficient Bifunctional Catalyst for the Baeyer–Villiger Oxidation

A heterogeneous bifunctional hybrid catalyst originated from copper tetrasulfophthalocyanine (CuPcTs) and hydrotalcite for Baeyer–Villiger (B-V) oxidation has been prepared and characterized. XRD, FTIR, DR UV-Vis and SEM characterization indicate that CuPcTs molecule has been successfully intercalat...

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Bibliographic Details
Published in:Catalysis letters 2016-10, Vol.146 (10), p.2157-2164
Main Authors: Zhou, Weiyou, Chen, Yong, Qian, Junfeng, Sun, Fu’an, He, Mingyang, Chen, Qun
Format: Article
Language:English
Subjects:
Aldehydes
Benzaldehyde
Caprolactone
Catalysis
Catalysts
Catalytic activity
Chemical synthesis
Chemistry
Chemistry and Materials Science
Copper
Copper (Metal)
Industrial Chemistry/Chemical Engineering
Ketones
Organometallic Chemistry
Oxidation
Oxidation-reduction reactions
Physical Chemistry
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Summary:A heterogeneous bifunctional hybrid catalyst originated from copper tetrasulfophthalocyanine (CuPcTs) and hydrotalcite for Baeyer–Villiger (B-V) oxidation has been prepared and characterized. XRD, FTIR, DR UV-Vis and SEM characterization indicate that CuPcTs molecule has been successfully intercalated into the layer of ZnAl hydrotalcite. And the synthesized hybrid exhibited excellent catalytic activity in the B-V oxidation for various ketones under mild conditions. Its bifunctional role in the reaction through O 2 /benzaldehyde has been discussed and verified by controlled experiments. The study indicates that the designed catalyst not only catalyzes the oxidation of benzaldehyde to perbenzoic acid, but also accelerates the transformation of ketone to lactone or ester. Graphical Abstract
ISSN:1011-372X
1572-879X
DOI:10.1007/s10562-016-1823-5