Co-ordination chemistry of 2,6-diphenylthiophenol. The syntheses and X-ray crystal structures of some molybdenum and rhodium complexes with σ- Or η6-phenyl-metal interactions

Peter T. Bishop, Jonathan R. Dilworth, Terrence Nicholson, Jon Zubieta

Research output: Contribution to journalArticle

31 Scopus citations

Abstract

Reaction of [MoCl2(CO)4] with the 2,6-diphenylthiophenolate anion (dpt) gives the complex [Mo(η6- dpt)(dpt)(CO)], with one thiol phenyl substituent η6-bonded to the molybdenum. Crystal data: space group P21/c, with a = 13.939(3), b = 10.548(3), c = 20.863(5) Å, β = 106.88(1)° and Z = 4. The η6arene ligand is labile and is reversibly replaced by CO. Replacement of this ligand also occurs with 2,2′-bipyridyl(bipy),1,10- phenanthroline (phen), and 1,2-bis(diphenylphosphino)ethane (dppe) to give the dicarbonyl complexes [Mo(dpt)2(CO)2L] (L = bipy or phen) or the monocarbonyl complex [Mo(dpt)2(CO)(dppe)]. The X-ray crystal structure of the bipy derivative and the mechanism of its formation is discussed. Crystal data: space group P21/c with a = 10.567(3), b = 22.843(5), c = 18.341(3) Å, β = 105.2(2)° and Z = 4, Reaction of RhCl3 with dpt gave the dinuclear species [Rh2{μ- SC6H3(C6H4)-2-Ph-6} 2(dpt)2(NCMe)2]. An X-ray crystal structure reveals that each bridging thiolate ligand is also σ-bonded to rhodium [Rh-C 2.016(8) Å] via one of the phenyl carbons of the thiolate substituents. Crystal data: space group P21/n, a = 11.991(2), b = 20.426(4), c = 15.910(4) Å, β = 90.42(1) and Z = 2.

Original languageEnglish (US)
Pages (from-to)385-392
Number of pages8
JournalJournal of the Chemical Society, Dalton Transactions
Issue number3
DOIs
StatePublished - 1991
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)

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