development of FLPs. Synthetic and reactivity studies of these
and related systems are underway.
7 V. Sumerin, F. Schulz, M. Atsumi, C. Wang, M. Nieger,
M. Leskela, T. Repo, P. Pyykko and B. Rieger, J. Am. Chem.
Soc., 2008, 130, 14117.
8 V. Sumerin, F. Schulz, M. Nieger, M. Leskela, T. Repo and
B. Rieger, Angew. Chem., Int. Ed., 2008, 47, 6001.
9 G. C. Welch, J. D. Masuda and D. W. Stephan, Inorg. Chem.,
2006, 45, 478–480.
Financial support from NSERC of Canada is gratefully
acknowledged.
Notes and references
10 G. C. Welch, R. Prieto, M. Dureen, A. J. Lough, S. Labeodan,
T. Holtrichter-Rossmann and D. W. Stephan, Dalton Trans., 2008,
¨
¨
accepted for publication.
z Crystallographic data for 7: C66H49BF15FeP, MW = 1224.68,
ꢀ
T = 150 K, space group triclinic, P1, a = 11.9830(2) A, b =
11 J. S. J. McCahill, G. C. Welch and D. W. Stephan, Angew. Chem.,
Int. Ed., 2007, 46, 4968–4971.
12 M. A. Dureen and D. W. Stephan, Chem. Commun., 2008, 4303.
13 G. C. Welch and D. W. Stephan, J. Am. Chem. Soc., 2007, 129,
1880–1881.
21.9410(4) A, c = 22.8040(4) A, a = 71.3220(11)1, b = 84.4670(11)1,
g = 80.923(1)1, V = 5601.96(17) A3, Z = 4, m = 0.390 mmꢀ1
,
measured reflections = 25 496, independent reflections = 1663, para-
meters = 186, Rint = 0.0602, for observed data: R = 0.0635, wR =
0.1482, GOF = 1.004. Disorder of the borate anion was modeled, while
slight disorder of the tBu substituents in the cation was not.
14 P. A. Chase and D. W. Stephan, Angew. Chem., Int. Ed., 2008,
47, 7433.
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16 S. Geier, T. M. Gilbert and D. W. Stephan, J. Am. Chem. Soc.,
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17 D. P. Huber, G. Kehr, K. Bergander, R. Frohlich, G. Erker,
¨
S. Tanino, Y. Ohki and K. Tatsumi, Organometallics, 2008, 27,
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19 A. N. Campbell, S. J. Kolb, F. Barrios-Landeros and C. Nataro,
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¨
2008, DOI: 10.1039/b813286k.
ꢁc
This journal is The Royal Society of Chemistry 2009
1120 | Chem. Commun., 2009, 1118–1120