Immobilization of manganese dioxide nanoparticles on modified poly 2,4-dichlorostyrene microspheres: a highly efficient and recyclable catalyst for borrowing hydrogen reactions

文献情報

出版日 2019-09-03

DOI 10.1039/C9QO00892F

インパクトファクター 5.281

著者

Yilin Zhang, Lu Jin, Le Pan, Guangming Du, Dongdong Ye

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要旨

Manganese dioxide nanoparticles have been fabricated using a facile approach and immobilized onto the surface of modified poly 2,4-dichlorostyrene microspheres. The resulting multifunctional hybrid materials were characterized by scanning electron microscopy, transmission electron microscopy, energy dispersive X-ray spectroscopy, X-ray power diffraction and X-ray photoelectron spectrometry. This cheap heterogeneous manganese catalyst revealed excellent reactivity and stability for the direct alkylation of primary alcohols with ketones via a hydrogen borrowing pathway. In addition, this catalytic system could be readily recycled more than five times with high reactivity retained, which provided a practical atom-economical approach for C–C bond formation and 1-benzyl-2-aryl-1H-benzo[d]imidazole synthesis. Mechanism investigations were conducted to better understand this catalyst system and these transformations.

掲載誌

Organic Chemistry Frontiers

CiteScore: 7.8

自己引用率: 8.7%

年間論文数: 724

Organic Chemistry Frontiers publishes high-quality research from across organic chemistry. Emphases are placed on studies that make significant contributions to the field of organic chemistry by reporting either new or significantly improved protocols or methodologies. Topics include, but are not limited to the following: Organic synthesis Development of synthetic methodologies Catalysis Natural products Functional organic materials Supramolecular and macromolecular chemistry Physical and computational organic chemistry

Immobilization of manganese dioxide nanoparticles on modified poly 2,4-dichlorostyrene microspheres: a highly efficient and recyclable catalyst for borrowing hydrogen reactions

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