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Dinucleating Schiff base ligand in Zn/4f coordination chemistry: synthetic challenges and catalytic activity evaluation

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posted on 2023-06-09, 12:18 authored by Stavroula Sampani, Sidonie Aubert, Martin Cattoen, Kieran Griffiths, Alaa Abdul-Sada, Geoffrey R Akien, Graham J Tizzard, Simon J Coles, Stellios Arseniyadis, George KostakisGeorge Kostakis
Four Zn/4f polynuclear coordination clusters (PCCs) formulated as [ZnII2DyIII2L2(CO3)2(NO3)2] (1), [ZnIIYIIIL(NO3)2(o-van) (MeOH)] (MeOH) [2 (MeOH)] and [ZnIILnIIIL(NO3)2Cl(EtOH)] where Ln is Dy (3) and Y (4) and where H2L is the dinucleating Schiff base ligand N,N' bis(3-methoxysalicylidene)cyclohexane-1,2-diamine and o-van is ortho-vanillin, were prepared and fully characterised for the first time. These air-stable heterometallic PCCs, obtained in high yields from commercially available materials, were shown to remain stable in solution in their dinuclear [ZnIILnIIIL] form. Their catalytic activity was evaluated in various catalytic transformations including the Friedel-Crafts alkylation of 2 acyl imidazoles with indoles

History

Publication status

  • Published

File Version

  • Accepted version

Journal

Dalton Transactions

ISSN

1477-9226

Publisher

Royal Society of Chemistry

Issue

13

Volume

47

Page range

4486-4493

Department affiliated with

  • Chemistry Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2018-02-22

First Open Access (FOA) Date

2019-02-23

First Compliant Deposit (FCD) Date

2018-02-22

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