Comproportionation Synthesis of Copper(I) Alkynyl Complexes Encapsulating Polyoxomolybdate Templates: Bowl-Shaped Cu-33 and Peanut-Shaped Cu-62 Nanoclusters
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AbstractComproportionation reaction of Cu(II) salt and copper metallic powder in the presence of tert-butylacetylene (tBuC equivalent to CH) in methanol at room temperature yielded discrete Cu(I) tert-butylethynide clusters whose identity depended on the particular co-existing anion employed. Introduction of polyoxomolybdate to the reaction system afforded two new core-shell nanoclusters, [Cu-33(tBuC equivalent to C)(24)(Mo4O16)]center dot BF4 (3) and [Cu-62(tBuC equivalent to C)(34)(Mos(5)O(19))(2)(MoO4)(2)(OTf)(2)(OH)(4)]center dot (OTf)(2) (4). Complexes 3 and 4 represent the first examples of high-nuclearity Cu(I) clusters that encapsulate polyoxometalate templates, and the latter features the largest Cu(I) alkynyl cluster known to date. The present study not only demonstrates a new paradigm for the designed synthesis of Cu(I) alkynyl clusters but also opens the door to understanding Cu(I) alkynyl structural chemistry.
All Author(s) ListZhang LM, Mak TCW
Journal nameJournal of the American Chemical Society
Volume Number138
Issue Number9
Pages2909 - 2912
LanguagesEnglish-United Kingdom
Web of Science Subject CategoriesChemistry; Chemistry, Multidisciplinary

Last updated on 2020-22-10 at 01:55