Activation of tri(2-furyl)phosphine at a dirhenium centre: Formation of phosphido-bridged dirhenium complexes

Reaction of tri(2-furyl) phosphine (PFu(3)) with [Re-2(CO)(10) (n)(NCMe)(n)] (n = 1, 2) at 40 degrees C gave the substituted complexes [Re-2(CO)(10) (n)(PFu(3))(n)] (1 and 2), the phosphines occupying axial position in all cases. Heating [Re-2(CO)(10)] and PFu(3) in refluxing xylene also gives 1 and 2 together with four phosphido-bridged complexes; [Re-2(CO)(8) (n)(PFu(3))(n)(mu-PFu(2))(mu-H)] (n = 0, 1, 2) (3-5) and [Re-2(CO)(6)(PFu(3))(2)(mu-PFu(2))(mu-Cl)] (6) resulting from phosphorus-carbon bond cleavage. A series of separate thermolysis experiments has allowed a detailed reaction pathway to be unambiguously established. A similar reaction between [Re-2(CO)(10)] and PFu(3) in refluxing chlorobenzene furnishes four complexes which include 1, 2, 6 and the new binuclear complex [Re-2(CO)(6)(eta(1)-C4H3O)(2)(mu-PFu(2))(2)] (7). All new complexes have been characterized by a combination of spectroscopic data and single crystal X-ray diffraction studies. (C) 2009 Published by Elsevier B.V.

Khatun, Mansura (author)
Haworth, Daniel T. (author)
Lindeman, Sergey V. (author)
Siddiquee, Tasneem A. (author)
Bennett, Dennis W. (author)
Hogarth, Graeme (author)
Nordlander, EbbeLund University,Lunds universitet,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)ook1-eno (author)
Kabir, Shariff E. (author)
Kemisk fysikEnheten för fysikalisk och teoretisk kemi (creator_code:org_t)

In:Journal of Organometallic Chemistry: Elsevier BV694:18, s. 2941-29480022-328X

By the author/editor: Ghosh, Shishir; Khatun, Mansura; Haworth, Daniel ...; Lindeman, Sergey ...; Siddiquee, Tasne ...; Bennett, Dennis ...; show more...; Hogarth, Graeme; Nordlander, Ebbe; Kabir, Shariff E ...; show less...

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