8 F. Zhuravlev and J. A. Gladysz, Chem.–Eur. J., 2004, 10,
6510.
give the independently synthesized diplatinum complexes trans,trans-
(C6F5)(Et3P)2Pt(C≡C)nPt(PEt3)2(C6F5)3.
9 (a) J. Stahl, J. C. Bohling, E. B. Bauer, T. B. Peters, W. Mohr, J. M.
Mart´ın-Alvarez, F. Hampel and J. A. Gladysz, Angew. Chem., Int. Ed.,
2002, 41, 1871; J. Stahl, J. C. Bohling, E. B. Bauer, T. B. Peters, W.
Mohr, J. M. Mart´ın-Alvarez, F. Hampel and J. A. Gladysz, Angew.
Chem., 2002, 114, 1951; (b) G. R. Owen, J. Stahl, F. Hampel and J. A.
Gladysz, Organometallics, 2004, 23, 5889.
10 (a) Q. Zheng, F. Hampel and J. A. Gladysz, Organometallics, 2004, 23,
5896; (b) G. R. Owen, F. Hampel and J. A. Gladysz, Organometallics,
2004, 23, 5893.
11 For other complexes with Pt(C≡C)3Pt and Pt(C≡C)4Pt linkages, see:
(a) W.-Y. Wong, C.-K. Wong, G.-L. Lu, K.-W. Cheah, J.-X. Shi and
Z. Lin, J. Chem. Soc., Dalton Trans., 2002, 4587; (b) V. W.-W. Yam,
K. M.-C. Wong and N. Zhu, Angew. Chem., Int. Ed., 2003, 42, 1400;
V. W.-W. Yam, K. M.-C. Wong and N. Zhu, Angew. Chem., 2003, 115,
1438.
12 For reviews of such complexes, see: (a) M. I. Bruce and P. J. Low, Adv.
Organomet. Chem., 2004, 50, 179; (b) F. Paul and C. Lapinte, in Unusual
Structures and Physical Properties in Organometallic Chemistry, ed.
M. Gielen, R. Willem and B. Wrackmeyer, Wiley, New York, 2002,
pp. 220–291.
15 This compound has been previously reported: E. B. Bauer, F. Hampel
and J. A. Gladysz, Organometallics, 2003, 22, 5567.
16 Crystal data for 4/5/6·MeOH: formula
C108H120F10P4Pt/
C
108H120F10P4Pt2/C97H100F10O5P4Pt2, monoclinic/triclinic/monoclinic,
a = 39.9137(6)/11.4000(2)/21.4114(3), b = 11.1431(2)/14.3770(3)/
˚
17.9695(3),
c
=
22.6389(4)/15.1140(3)/24.2342(3) A,
a
=
90/
83.968(1)/90, b = 102.57(3)/80.358(1)/101.855(1), c = 90/80.128(1)/
◦
3
˚
90 , V = 9827.5(3)/2398.55(8)/9125.3(2) A , T = 173(2)/173(2)/
173(2) K, space groups P21/c, P-1, P21/n, Z = 4/1/4, l(Mo-Ka) =
2.974/3.047/3.204 mm−1, 37122/20633/39762 reflections measured,
21370/10992/20905 unique (Rint = 0.0490/0.0250/0.0497), which
were used in calculations. Final
0.0421/0.0303/0.0421; wR2 (all data)
R
values: R1 [I
=
>
2r(I)]
=
0.1123/0.0748/0.0979.
CCDC reference numbers 295839–295841. For crystallographic data
in CIF or other electronic format see DOI: 10.1039/b604465b.
Additional data are provided in the ESI† .
17 Sixteen cases have been reported,6a,7,9,10a,11b and there are numerous
unpublished examples. Additional analyses: S. Szafert and J. A.
Gladysz, Chem. Rev., 2003, 103, 4175.
18 E. B. Bauer and L. de Quadras, Doctoral Dissertations, Universita¨t
Erlangen-Nu¨rnberg, 2003 and 2006..
13 The least-squares planes [(PA– PtA – PA) + PtB] and [PtA + (PB
–
PtB – PB)] are used to calculate the angles defined by the endgroups. The
inclusion of a platinum from each terminus minimizes non-idealities
arising from chain curvature.
19 (a) A. Klein and W. Kaim, Organometallics, 1995, 14, 1176; (b) A.
Klein, S. Hasenzahl, W. Kaim and J. Fiedler, Organometallics, 1998,
17, 3532.
20 J. Stahl, Doctoral Dissertation, Universita¨t Erlangen-Nu¨rnberg, 2003.
21 M. Albrecht, Angew. Chem., Int. Ed., 2005, 44, 6448; M. Albrecht,
Angew. Chem., 2005, 117, 6606.
14 (a) W. Mohr, Doctoral Dissertation, Universita¨t Erlangen-Nu¨rnberg,
2002; (b) The oligomeric formulation can be proved by adding an
excess of the more basic phosphine PEt3. Substitution occurs to
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The Royal Society of Chemistry 2006
Dalton Trans., 2006, 2929–2933 | 2933
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