Studies of two interrelated series of triiridatrithia-cyclohexane and trimetallatrithia (or trioxo)-adamantane rhodium and iridium complexes |
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Authors: | J Devillers A Maisonnat R Poilblanc |
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Institution: | (1) Centre d’Elaboration de Matériaux et d’Etudes Structurales du CNRS, UPR 8011, 29, rue Jeanne Marvig, 31055 Toulouse Cedex, France;(2) Laboratoire de Chimie de Coordination du CNRS, UPR 8241, 205 route de Narbonne, 31077 Toulouse Cedex, France |
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Abstract: | From a comparativereview on the two title series of compounds, the first part of the paper describes the most salient structural and reactivity properties
of these trimetallic complexes, including metal-metal bond formation, conformational changes, enantio, and diastereomorphism.
The second part presentsnew results which extend the comparison to a series of trimetallatrioxo adamantane complexes. The single crystal X-ray diffraction of
the parent compound Rh3{μ
3−(OCH2)3CCH3}(CO)6]—a derivative of the commercially available tripod ligand 1,1,1tris (oxomethyl)ethane—is reported together with its crystal packing which is compared to that of its sulfido analog. The paper
includes a discussion of the nucleophilic and electrophilic properties of the trimetalla trioxo adamantane rhodium complexes,
based on semi-empirical extended Hückel calculations
Dedicated to Professor Yves Jeannin on the occasion of his 65 th birthday. |
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Keywords: | Trimetallic complexes tripodal ligands rhodium iridium silver oxidative addition metal-metal bond threefold vacant sites crystal structure E H M O calculations |
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