We encapsulate palladium nanoparticles in a series of isoreticular mixed-linker MOFs, and the obtained Pd-doped MOFs catalysts were used to unveil the electronic and steric effects of linker substitution on the activity of these catalysts in the context of Suzuki–Miyaura cross-coupling reactions. Impressively, m-6,6′-Me bpy-MOF-Pd exhibits a remarkable enhance- ment in the activity compared to non-functionalized m-bpy-MOF-Pd and m-4,4′-Me bpy-MOF-Pd, thus implementing atomic-level controls of heterogeneous catalysis. Electronic supplementary material The online version of this article (https://doi.org/10.1007/s10562-017-2289-9) contains supplementary material, which is available to authorized users. Extended author information available on the last page of the article Vol:.(1234567890) 1 3 Unveiling the Effects of Linker Substitution in Suzuki Coupling with Palladium Nanoparticles… 941 HO OH Pd(0) Pd Nanoparcle CO H 1 2 R R 1 2 N 50 R = H, R = Me 1 2 1 2 R = H, R = H R R 30 1 2 CO H R = Me, R = H Pd(0) released from Pd NPs in m-MOFs as 060 120 180 240 300 360 420 480 the active center for Suzuki coupling reaction Time(min) Keywords Isoreticular metal–organic frameworks · Heterogeneous catalysis · Suzuki–Miyaura cross-coupling · Structure– activity relationship The past decades have witnessed the spectacular rise of be achieved
Catalysis Letters – Springer Journals
Published: Jan 18, 2018
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