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Bis(mercapto) and hydrido(thiolate) complexes of Ru(II)-dppm (dppm = Ph2PCH2PPh2)

TitleBis(mercapto) and hydrido(thiolate) complexes of Ru(II)-dppm (dppm = Ph2PCH2PPh2)
Publication TypeJournal Article
Year of Publication2001
AuthorsKhorasani-Motlagh, M, Safari, N, Pamplin, CB, Patrick, BO, James, BR
JournalInorganica Chimica Acta
Volume320
Pagination184-189
Date PublishedAug
Type of ArticleArticle
ISBN Number0020-1693
KeywordsCHEMISTRY, COMPLEXES, crystal structures, CRYSTAL-STRUCTURE, DERIVATIVES, DINUCLEAR RHODIUM COMPLEXES, hydrido complexes, HYDROFORMYLATION, MECHANISMS, MERCAPTO, PHOSPHINE COMPLEXES, ruthenium complexes, RUTHENIUM(II), THIOLATO, WATER
Abstract

From a mixture of cis- and trans-Ru(SH)(2)(dppm)(2) (4), formed from reaction of H2S with trans-Ru(H)Cl(dppm)(2) (2), a crystal of cis-4 has been isolated and its structure determined by X-ray analysis. The mercapto protons are located within the centrosymmetric structure, although the S-atoms are partially disordered (S - H similar to 1.06 Angstrom). The thiolate complexes, trans-Ru(H)SR(dppm)(2) (R = Ph, 5a; C6F5, 5b), have been isolated from reaction of trans-2 with 1 equiv. of RSH. trans-Ru(H)SH(dppm)(2) (3) has been isolated from reaction of H2S with a mixture of cis- and trans-Ru(H)(2)(dppm)(2) (1). An improved synthetic route for 1 is presented. (C) 2001 Elsevier Science B.V. All rights reserved.

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