Journal of the American Chemical Society
Communication
The chemistry herein draws parallels with the extensive body
of work on the construction of mid/late transition-metal
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polyboranes using borohydrides and BH from the groups of
3
24
Fehlner and Ghosh. While both approaches lead to boron−
boron coupling, the most salient distinction is that in the current
work polyborane clusters are distinctly avoided in favor of mono-
or diboron units, presumably due to the bulky duryl group at
boron. This point of difference is a promising sign that using
bulky dihydroboranes could lead to electron-precise boron
networks rather than nonclassical (cluster) structures, provided
the right combination of borane and metal−ligand set can be
found. The complexes prepared herein also contrast significantly
with the σ-borane-type reactivity seen with metals of other
groups.
5
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(
ASSOCIATED CONTENT
Supporting Information
■
S. J. Am. Chem. Soc. 2008, 130, 12878. (b) For a highlight of this work,
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*
S
Crystallographic data (CIF)
Crystallographic data (CIF)
Crystallographic data (CIF)
Crystallographic data (CIF)
Crystallographic data (CIF)
(
11) (a) Kuzu, I.; Krummenacher, I.; Meyer, J.; Armbruster, F.; Breher,
F. Dalton Trans. 2008, 5836. (b) Braunschweig, H.; Dewhurst, R. D.;
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2
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007, 129, 12412.
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AUTHOR INFORMATION
(
̈
Present Address
Boron Specialties, 2301 Duss Ave, Ambridge PA 15003, United
States.
Notes
Krummenacher, I.; Mies, J.; Vargas, A. Angew. Chem., Int. Ed. 2014, 53,
§
9082.
(
15) Bo
Kramer, T.; Krummenacher, I.; Vargas, A. Angew. Chem., Int. Ed. 2015,
4, 4469.
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hnke, J.; Braunschweig, H.; Dellermann, T.; Ewing, W. C.;
5
(
The authors declare no competing financial interest.
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ACKNOWLEDGMENTS
The authors gratefully acknowledge the Deutsche Forschungs-
gemeinschaft for financial support of this work.
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