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Issue 36, 2014
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A sulfur mimic of 1,1-bis(diphenylphosphino)methane: a new ligand opens up

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Abstract

A simple method for synthesizing diphosphine monosulfide species was developed utilizing lithium sulfide and chlorophosphine starting materials. This afforded 1,1,2,2-tetraphenyldiphosphine monosulfide (1), as well as 1,1,2,2-tetracyclohexyldiphosphine monosulfide (2), which could be used as convenient ligand precursors. Upon addition of 1 or 2 to the ruthenium compound Ru(C5Me5)(cod)Cl, the diphosphine monosulfides rearranged to give bidentate bis(ditertiaryphosphino)thioether ligands in Ru(C5Me5)(PPh2SPPh2)Cl (3) and Ru(C5Me5)(PCy2SPCy2)Cl (4).

Graphical abstract: A sulfur mimic of 1,1-bis(diphenylphosphino)methane: a new ligand opens up

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Publication details

The article was received on 12 Dec 2013, accepted on 19 Mar 2014 and first published on 19 Mar 2014


Article type: Communication
DOI: 10.1039/C3CC49456J
Citation: Chem. Commun., 2014,50, 4707-4710
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    A sulfur mimic of 1,1-bis(diphenylphosphino)methane: a new ligand opens up

    P. E. Sues, A. J. Lough and R. H. Morris, Chem. Commun., 2014, 50, 4707
    DOI: 10.1039/C3CC49456J

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