Catalytic Oxidation of Cyclopentene by O2 over Pd(II)-SBA-15 Complexes

Catalytic Oxidation of Cyclopentene by O2 over Pd(II)-SBA-15 Complexes plexes anchored into the channels of mesoporous mate- rial SBA-15 were prepared for chemical transformation of cyclopentene, and characterized in details. Spectra 29 13 of Si NMR, C NMR and XPS revealed the organic ligands were grafted into the SBA-15 and Pd(II) complexes formed. Spacial diversity of the complexes, especially dis- A new heterogeneous reaction system was developed for tances from –C=O to N on pyridyl cycles, may influence the catalytic oxidation of cyclopentene to cyclopentanone electronic distribution of conjugated system and further the by molecular oxygen over novel catalysts. The synthesized catalytic activity. With the help of the newly synthesized catalysts are comprised of Pd(II)-picolinamide complexes catalytic materials, a new heterogeneous oxidation system anchored into the channels of SBA-15. The new system was developed for selective catalytic transformation of was efficient for the mentioned reaction, and the catalysts cyclopentene to cyclopentanone with molecular oxygen as were reusable. the sole oxidant. Analytic results of the reaction mixtures indicated that all catalysts exhibited high activity, while the Keywords Cyclopentene oxidation · Pd(II)-complexes · cat.1 and cat.2 with 2-pyridinecarbonyl or 3-pyridinecar- Heterogeneous catalysis · Cyclopentanone bonyl on the ligands gave better yields of cyclopentanone. 96.2% conversion of cyclopentene and 76.3% yied of cyclo- pentanone http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Catalysis Letters Springer Journals

Catalytic Oxidation of Cyclopentene by O2 over Pd(II)-SBA-15 Complexes

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Publisher
Springer Journals
Copyright
Copyright © 2017 by Springer Science+Business Media, LLC
Subject
Chemistry; Catalysis; Industrial Chemistry/Chemical Engineering; Organometallic Chemistry; Physical Chemistry
ISSN
1011-372X
eISSN
1572-879X
D.O.I.
10.1007/s10562-017-2131-4
Publisher site
See Article on Publisher Site

Abstract

plexes anchored into the channels of mesoporous mate- rial SBA-15 were prepared for chemical transformation of cyclopentene, and characterized in details. Spectra 29 13 of Si NMR, C NMR and XPS revealed the organic ligands were grafted into the SBA-15 and Pd(II) complexes formed. Spacial diversity of the complexes, especially dis- A new heterogeneous reaction system was developed for tances from –C=O to N on pyridyl cycles, may influence the catalytic oxidation of cyclopentene to cyclopentanone electronic distribution of conjugated system and further the by molecular oxygen over novel catalysts. The synthesized catalytic activity. With the help of the newly synthesized catalysts are comprised of Pd(II)-picolinamide complexes catalytic materials, a new heterogeneous oxidation system anchored into the channels of SBA-15. The new system was developed for selective catalytic transformation of was efficient for the mentioned reaction, and the catalysts cyclopentene to cyclopentanone with molecular oxygen as were reusable. the sole oxidant. Analytic results of the reaction mixtures indicated that all catalysts exhibited high activity, while the Keywords Cyclopentene oxidation · Pd(II)-complexes · cat.1 and cat.2 with 2-pyridinecarbonyl or 3-pyridinecar- Heterogeneous catalysis · Cyclopentanone bonyl on the ligands gave better yields of cyclopentanone. 96.2% conversion of cyclopentene and 76.3% yied of cyclo- pentanone

Journal

Catalysis LettersSpringer Journals

Published: Jul 6, 2017

References

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