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Halide and substituent dependent structural variation in copper(I) halide complexes of 1,5,9-triphosphacyclododecanes

Edwards, Peter G., Newman, Paul David, Kariuki, Benson, Liyanage, Sudantha, Pothupitiya, Thusith, Wickramatunga, Lenali and Chevalier, Edith 2018. Halide and substituent dependent structural variation in copper(I) halide complexes of 1,5,9-triphosphacyclododecanes. Dalton Transactions 47 (45) , pp. 16126-16131. 10.1039/C8DT03072C

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The reactions of 1,5,9-triethyl-1,5,9-triphosphacyclododecane, [12]-ane-P3Et3, and 1,5,9-tri(2-propyl)-1,5,9-triphosphacyclododecane, [12]-ane-P3iPr3 with copper(I)halides produce either bimetallic species of the type [([12]-ane-P3R3)Cu(CuX2)] (X = halide) or monomeric [([12]-ane-P3R3)CuX] depending on the nature of the halide and, to a lesser extent, the macrocycle. With CuCl only bimetallic complexes are formed with one copper centre bound to the macrocycle and a second attached through a Cu–Cu bond with a mono bridging chloride. CuBr affords monomeric [([12]-ane-P3R3)CuBr] complexes when performed in a 1 : 1 M : L ratio whereas the bimetallic compound [([12]-ane-P3Et3)(CuBr)2], resulted when a 2 : 1 ratio of M : L was employed. With CuI in all ratios only monomeric complexes were obtained. The synthesised complexes have been fully characterised by spectroscopic and analytical techniques and by determination of the molecular structures by single-crystal X-ray diffractometry.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Publisher: Royal Society of Chemistry
ISSN: 1477-9226
Date of First Compliant Deposit: 29 October 2018
Date of Acceptance: 24 October 2018
Last Modified: 07 Dec 2020 18:06

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