2 Homometallic Alkoxides

577
[(THF)(ArO) 3Ta⊲DNND⊳Ta(OAr) 3(THF)] OC6H3Pri [Ta(OAr) 2(H)Cl2⊲PMe2Ph⊳2] 2-2,6 1.945 (5)
1.911 (5)
1.933 (5)
pentagonal bipyramidal Ta, axial O
[Ta(OAr) 2(H) 2Cl(PMe2Ph⊳2] pentagonal bipyramidal Ta, axial O
[Ta(OAr) 2(H) 3⊲PMe2Ph⊳2]
pentagonal bipyramidal Ta, axial O
[Ta(OAr) 2(H) 2Cl⊲PMePh2⊳]
highly distorted 6-coord. Ta
[Ta(OAr) 3(H) 2⊲PMe2Ph⊳]
highly distorted 6-coord. Ta
[Ta(OAr) 2Me3]
tbp Ta, axial ArO
OC6H3Pr i 2
147
175
160
-2,6 1.902 (3) 175 xvi
OC6H3Pri 2-2,6 1.899 (5)
1.901 (5)
174
171
xvii
OC6H3Cy2-2,6 1.901 (6) 172 xvii, xvi
OC6H3But 2-2,6 1.896 (3)
1.888 (3)
OC6H3Pr i 2
-2,6 1.907 (3)
Organometallic aryloxides
1.912 (4)
1.897 (3)
OC6H3But 2-2,6 1.930 (6)
1.945 (6)
vi J.R. Clark, A.L. Pulverenti, P.E. Fanwick, M. Sigalas, O. Eisenstein, and I.P. Rothwell, Inorg. Chem., 36, 3623 (1997).
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xiii L.R. Chamberlain, L.D. Durfee, P.E. Fanwick, L.M. Kobriger, S.L. Latesky, A.K. McMullen, B.D. Steffey, I.P. Rothwell, K. Folting, and J.C.
Huffman, J. Am. Chem. Soc., 109, 6068 (1987).
xiv L.R. Chamberlain, B.D. Steffey, I.P. Rothwell, and J.C. Huffman, Polyhedron, 8, 341 (1989).
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xvi B.C. Parkin, J.C. Clark, V.M. Visciglio, P.E. Fanwick, and I.P. Rothwell, Organometallics., 14, 3002 (1995).
xvii B.C. Ankianiec, P.E. Fanwick, and I.P. Rothwell, J. Am. Chem. Soc., 113, 4710 (1991).
xviii V.M. Visciglio, P.E. Fanwick, and I.P. Rowthwell, J. Chem. Soc., Chem. Commun., 1505 (1992).
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