Diffusion Induced Reactant Shape Selectivity Inside Mesoporous Pores of Pd@meso-SiO2 Nanoreactor in Suzuki Coupling Reactions
Chen, Z; Cui, ZM; Li, P; Cao, CY; Hong, YL; Wu, ZY; Song, WG;洪友丽; Wu ZY(吴自玉)
刊名JOURNAL OF PHYSICAL CHEMISTRY C
2012
卷号116期号:28页码:14986-14991
学科分类Chemistry; Science & Technology - Other Topics; Materials Science
DOI10.1021/jp303992g
英文摘要Shape selectivity is one of the crown jewels of catalysis. It is frequently reported on microporous materials, mostly zeolite materials in gas phase reactions, but is rarely reported on mesoporous catalysts in liquid solution. Here we report reactant shape selectivity inside the mesoporous pores of Pd@meso-SiO2 nanoreactor, which is a hollow composite with mesoporous silica walls and Pd nanoparticles residing at the inside pore mouths. The composite has structural features that resemble a nanoreactor and shows extremely high activity for Suzuki cross-coupling reaction between phenylboronic acid and iodobenzene. We observed sharp shape selectivity on phenylboronic acid. N-Butyl phenylboronic acid resulted in an 86% product yield, while tert-butyl phenylboronic acid resulted in a 0% product yield. We propose that nanoreactor feature of the catalyst and collective diffusion barrier induced by the preferential adsorption of bulky phenylboronic acid molecules account for these observations.
收录类别SCI
WOS记录号WOS:000306503200030
引用统计
被引频次:50[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224349
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
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Chen, Z,Cui, ZM,Li, P,et al. Diffusion Induced Reactant Shape Selectivity Inside Mesoporous Pores of Pd@meso-SiO2 Nanoreactor in Suzuki Coupling Reactions[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2012,116(28):14986-14991.
APA Chen, Z.,Cui, ZM.,Li, P.,Cao, CY.,Hong, YL.,...&吴自玉.(2012).Diffusion Induced Reactant Shape Selectivity Inside Mesoporous Pores of Pd@meso-SiO2 Nanoreactor in Suzuki Coupling Reactions.JOURNAL OF PHYSICAL CHEMISTRY C,116(28),14986-14991.
MLA Chen, Z,et al."Diffusion Induced Reactant Shape Selectivity Inside Mesoporous Pores of Pd@meso-SiO2 Nanoreactor in Suzuki Coupling Reactions".JOURNAL OF PHYSICAL CHEMISTRY C 116.28(2012):14986-14991.
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