Abstract
The nacnac Cu(I) compound [L1Cu(MeCN)] (L1 = [{N(C6H3Me2-2,6)C(Me)}2CH]−) was reacted with E4 (P4, As4 and AsP3) yielding the homobimetallic complexes [(L1Cu)2(η2:2-E4)] (E4 = P4 (1a), As4 (1b), AsP3 (1c)) and the mononuclear complexes [L1Cu(η2-E4)] (E4 = P4 (2a), As4 (2b), AsP3 (2c)), revealing neutral, intact side-on coordinated E4 units. Furthermore, the reaction of [L1Cu(MeCN)] with Sered and E4S3 (E = P, As) afforded [(LCu)2(μ,η2:2Se2)] (L1 = 3a, L3 = 3b) and [(L3Cu)2(E4S3)] (E = P (4), As (5)). They represent rare examples of complexes of group 11 metals with polypnictogen, chalcogen and mixed E15/Q16 compounds.
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