2 Homometallic Alkoxides

579
[Ta(OAr) 2Cl2⊲CH2C6H5⊳]
tbp Ta, axial ArO
[Ta(OAr) 2Cl⊲CH2C6H5⊳2]
tbp Ta, axial ArO
[Ta(Ind-OAr)⊲NMe2⊳3]
1-indenylphenoxide
[Ta(Ind-OAr)(4-Ph-py)Cl3 ]
1-indenylphenoxide
[Ta(OAr) 2⊲DCHSiMe3⊳⊲CH2SiMe3⊳]
tetrahedral Ta
[Ta(OAr) 3fCHBu t CH⊲C5H8CH⊳g]
tantalacyclobutane formed from norbornene
[Ta(OAr) 3fCH(Ph)CH⊲Bu t ⊳CH2g]
tantalacyclobutane formed from styrene
[(ArO)(Me3SiCH2⊳Ta⊲ -CSiMe3⊳2Ta⊲CH2SiMe3⊳2]
1,3-dimetallabutadiene core, tetrahedral Ta
[(ArO)⊲Me3SiCH2⊳Ta⊲ -CSiMe3⊳2Ta⊲CH2SiMe3⊳2]
1,3-dimetallabutadiene core, tetrahedral Ta
OC6HPh4-2,3,5,6 1.900 (3)
156
xxiv
1.885 (3)
167
OC6HPh4-2,3,5,6 1.894 (4)
176
xxiv
1.894 (4)
177
OC6H2⊲ 1-indenyl)-2-But 2-4,6 2.025 (7) 123 xxv
OC6H2⊲ 5-indenyl)-2-But 2-4,6 1.968 (3) 129 xxvi
OC6H3But 2-2,6 1.85 (2)
1.85 (2)
159
169
xxvii
xxi
OC6H3Pri 2-2,6 1.904 (9)
1.909 (8)
159
164
xxviii
1.917 (8)
161
OC6H3Pri 2-2,6 1.820 (14)
1.864 (15)
155
146
xxix
xxviii
1.893 (13)
157
OC6H3Ph2-2,6 1.885 (6) 175 xxx
OC6H3⊲1-naphthyl⊳2-2,6 1.897 (4) 178 xxxi
xx L. Chamberlain, I.P. Rothwell, and J.C. Huffman, J. Am. Chem. Soc., 108, 1538 (1986).
xxi L.R. Chamberlain, I.P. Rothwell, K. Folting, and J.C. Huffman, J. Chem. Soc., Dalton Trans., 155 (1987).
xxii R.W. Chesnut, G.G. Jacob, J.S. Yu, P.E. Fanwick, and I.P. Rothwell, Organometallics, 10, 321 (1991).
xxiii B.D. Steffey, P.E. Fanwick, and I.P. Rothwell, Polyhedron, 9, 963 (1990).
xxiv S.W. Schweiger, P.E. Fanwick, and I.P. Rothwell, results to be published.
xxv M.G. Thorn, P.E. Fanwick, R.W. Chesnut, and I.P. Rothwell, J. Chem. Soc., Chem. Comm., 2543 (1999).
xxvi M.G. Thorn, P.E. Fanwick, R.W. Chesnut, and I.P. Rothwell, results to be published.
xxvii L. Chamberlain, I.P. Rothwell, and J.C. Huffman, J. Am. Chem. Soc., 104, 7338 (1982).
xxviii K.C. Wallace, A.H. Liu, J.C. Dewan, and R.R. Schrock, J. Am. Chem. Soc., 110, 4964 (1988).
xxix K.C. Wallace, J.C. Dewan, and R.R. Schrock, Organometallics, 5, 2162 (1986).
xxx P.E. Fanwick, A.E. Ogilvy, and I.P. Rothwell, Organometallics, 6, 73 (1987).
xxxi P.N. Riley, M.G. Thorn, J.S. Vilardo, M.A. Lockwood, P.E. Fanwick, and I.P. Rothwell, Organometallics, 18, 3016 (1999).
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