Zr−E π-Bonding in Complexes Derived from E−H Additions to Cp2Zr(P(C6H2-2,4,6-t-Bu3))(PMe3)

Additions of PhEH (E = O, S), PhEH2 (E = N, P), MesPH2, and Ph2PH to Cp2Zr(PR*)(PMe3) (2) provide a facile route to complexes of the form Cp2Zr(PHR*)(ER) (R* = 2,4,6-t-Bu-C6H2; ER = OPh (3), SPh (4), NHPh (5), PHPh (6), PHMes (7), PPh2 (8)). Variable-temperature NMR studies are consistent with facil...

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Bibliographic Details
Published in:Organometallics 1996-10, Vol.15 (20), p.4223-4227
Main Authors: Breen, Tricia L, Stephan, Douglas W
Format: Article
Language:English
Online Access:Get full text
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Summary:Additions of PhEH (E = O, S), PhEH2 (E = N, P), MesPH2, and Ph2PH to Cp2Zr(PR*)(PMe3) (2) provide a facile route to complexes of the form Cp2Zr(PHR*)(ER) (R* = 2,4,6-t-Bu-C6H2; ER = OPh (3), SPh (4), NHPh (5), PHPh (6), PHMes (7), PPh2 (8)). Variable-temperature NMR studies are consistent with facile metal-mediated inversion at phosphorus as well as rapid rotation about the Zr−E bonds at room temperature.
ISSN:0276-7333
1520-6041
DOI:10.1021/om960314o