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Unveiling reactive metal sites in a Pd pincer MOF: insights into Lewis acid and pore selective catalysis

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Abstract

A porous Zr metal–organic framework, 1-PdBF4 [Zr6O4(OH)4(OAc)2.4{(PNNNP)Pd(MeCN)}2.4(BF4)2.4; PNNNP = 2,6-(HNPAr2)2C5H3N; Ar = p-C6H4CO2], has been synthesized via postsynthetic oxidative I/BF4 ligand exchange using NOBF4. 1-PdBF4 enjoys markedly superior catalytic activity and recyclability to its trifluoracetate-exchanged analogue, 1-PdTFA, for the intramolecular cyclization of o-alkynyl anilines and the carbonyl–ene cyclization of citronellal. Moreover, 1-PdBF4 demonstrates a rare example of pore selective catalysis for the cyclization of 2-ethynyl aniline.

Graphical abstract: Unveiling reactive metal sites in a Pd pincer MOF: insights into Lewis acid and pore selective catalysis

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Publication details

The article was received on 19 Sep 2018, accepted on 13 Nov 2018 and first published on 13 Nov 2018


Article type: Paper
DOI: 10.1039/C8DT03801E
Citation: Dalton Trans., 2019, Advance Article
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    Unveiling reactive metal sites in a Pd pincer MOF: insights into Lewis acid and pore selective catalysis

    B. R. Reiner, A. A. Kassie and C. R. Wade, Dalton Trans., 2019, Advance Article , DOI: 10.1039/C8DT03801E

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