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Synthesis of Trimeric Organozinc Compounds and their Subsequent Reaction with Oxygen

Manzi, JA; Knapp, CE; Parkin, IP; Carmalt, CJ; (2016) Synthesis of Trimeric Organozinc Compounds and their Subsequent Reaction with Oxygen. ChemistryOpen , 5 (4) pp. 301-305. 10.1002/open.201600040. Green open access

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Abstract

A conventional solution-based route to a cyclic trimeric organozinc compound [{Zn(Et)(β-diketonate)}3] (β-diketonate=OC(OMe)CHC(Me)O, 1) is described, with 1 structurally characterized for the first time. The ligand selection of bidentate β-diketonates is shown to be key to isolating a cyclic trimer. Additional reaction of β-diketonates with diethyl zinc were spectroscopically characterized as compounds of the type [{Zn(Et)(β-diketonate)}n] (β-diketonate=OC(Me)CHC(Me)O, 2, OC(OtBu)CHC(Me)O, 3). Further studies have shown that selective oxidation of these species produces cubanes of the general formula [{Zn(OC(R)CHC(Me)O)2Zn(Et)OEt}2] (R=OMe, 4; Me, 5; OtBu, 6), allowing a high oxygen content whilst remaining structurally suitable for use as precursors. The successful deposition of thin films of zinc oxide through aerosol-assisted chemical vapor deposition (AACVD), using a novel precursor, is described and fully characterized.

Type: Article
Title: Synthesis of Trimeric Organozinc Compounds and their Subsequent Reaction with Oxygen
Open access status: An open access version is available from UCL Discovery
DOI: 10.1002/open.201600040
Publisher version: http://dx.doi.org/10.1002/open.201600040
Additional information: © The Authors. Published by Wiley-VCH Verlag GmbH &Co. KGaA. This is an openaccess article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Keywords: Science & Technology, Physical Sciences, Chemistry, Multidisciplinary, Chemistry, precursors, structure elucidation, thin films, trimeric compounds, zinc, ZINC ALKYLS, COMPLEXES, EPOXIDATION, CHEMISTRY, DIOXYGEN, ENONES
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Chemistry
URI: https://discovery.ucl.ac.uk/id/eprint/1519807
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