We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Experimental and computational investigations of platinum complexes of selenium diimide and some novel selenium-nitrogen ligands.
- Authors
Karhu, Aino J.; Risto, Maarit; Rautiainen, J. Mikko; Oilunkaniemi, Raija; Chivers, Tristram; Laitinen, Risto S.
- Abstract
The reaction of selenium diimide Se[N( t-Bu)]2 and PtCl2 afforded an N,N′-chelated complex [PtCl2{ N,N′-Se[N( t-Bu)]2}] ( 1) in good yield and [PtCl2{ N,N′-SeO[NH( t-Bu)]2}] ( 2) as a minor product. Attempts to prepare 2 by direct reaction of SeOCl2 with Li[NH( t-Bu)] in toluene followed by addition of PtCl2 produced cyclic Se4[N( t-Bu)]4 in solution (77Se NMR spectrum) and a small amount of the complex [PtCl3{ Se, Se′, Se″-Se4[N( t-Bu)]4}][Pt2Cl5{ Se, Se′, Se″-Se3[N( t-Bu)]2}]·3MeCN ( 3·3MeCN), which contains tridentate Se4[N( t-Bu)]4 in the cation and the novel, acyclic bridging ligand [SeN( t-Bu)SeN( t-Bu)Se]2- in the anion. The reaction of Se[N( t-Bu)]2 with [PtCl2(NCPh)2] in THF produced the dinuclear complex [Pt2Cl6{SeN( t-Bu)C(Ph)NH}2]·2C4H8O ( 4·2THF) as the major product and only a few crystals of 1. The possible formation of SeO[NH( t-Bu)]2 or 2 by the reaction of Se[N( t-Bu)]2 or 1, respectively, with adventitious water and the pathway for the production of 4 were investigated through density functional theory calculations. The X-ray structures of 1, 2, 3·3MeCN, and 4·2THF have been determined.
- Subjects
SELENIUM compounds; SULFUR diimides; CHALCOGENS; MOLECULAR structure of ligands; PHOSPHINIMINES
- Publication
Canadian Journal of Chemistry, 2016, Vol 94, Issue 4, p342
- ISSN
0008-4042
- Publication type
Article
- DOI
10.1139/cjc-2015-0402