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2 Homometallic Alkoxides

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554<br />

Table 6.21 (Continued)<br />

Bond length ( ˚A) Bond angle ( Ž )<br />

Compound Aryloxide M–O M–O–Ar Ref.<br />

[Ti⊲di-OAr⊳⊲C6H2Me3-2,4,6)]<br />

ligand formed by addition of mesityl<br />

to imine of salen<br />

[Ti(di-OAr)f(R)-O2CCH⊲CH2Ph⊳Og] 6-coord. Ti<br />

[Ti(di-OAr)(oxalate)]<br />

6-coord. Ti<br />

[Ti(di-OAr)(Ph)(thf)]<br />

6-coord. Ti, Ph trans to THF<br />

[fTi⊲di-OAr⊳g3⊲ 2-O⊳2⊲thf⊳2][BPh4]2<br />

linear trimeric cation<br />

[fTi⊲di-OAr⊳g4⊲ 2-O⊳2⊲thf⊳2][BPH4]2<br />

linear tetrameric cation<br />

[fTi⊲di-OAr⊳g4⊲ 2-O⊳3][BPH4]2<br />

linear polymeric cation<br />

[[Ti⊲tri-OAr⊳][BPh4]<br />

1,4,7-tricyclononane with N-pendant aryloxides,<br />

fac-arrangement of O and N donor atoms<br />

[Ti(tetra-OAr)]<br />

6-coord. Ti<br />

(2-mesityl)-N,N 0 -<br />

ethylenebis(salicylideneiminato)<br />

1.874 (3)<br />

1.822 (3)<br />

141<br />

138<br />

N,N 0-ethylene-bis(salicylideneiminato) 1.899 (3)<br />

139<br />

xcii<br />

1.859 (4)<br />

138<br />

(R,R)-1,2-Diaminocyclohexane-N,N 0- 1.860 (1)<br />

140<br />

xcii<br />

bis(salicylidenaminato)<br />

1.832 (2)<br />

139<br />

N,N 0-ethylene-bis(salicylideneiminato) 1.85 (1)<br />

138<br />

xciii<br />

1.89 (1)<br />

140<br />

N,N 0-ethylene-bis(salicylideneiminato) 1.850 (7)–1.906 (7) xciv<br />

N,N 0 -ethylene-bis(salicylideneiminato) 1.860 (7)–1.897 (6) xciv<br />

N,N 0 -ethylene-bis(salicylideneiminato) 1.865 (5)–1.967 (5) xciv<br />

c-⊲CH2⊳6fNCH2C6H3Bu t -4-Og3<br />

1.833 (6)<br />

1.824 (7)<br />

1.828 (7)<br />

⊲OC6H4CH2⊳2NCH2CH2⊲CH2C6H4O⊳2 1.903 (2)<br />

1.902 (2)<br />

1.848 (2)<br />

1.847 (2)<br />

xci C. Floriani, E. Solari, F. Corazza, A. Chiesi-Villa, and C. Guastini, Angew. Chem., Int. Ed. Engl., 28, 64 (1989).<br />

xcii K.M. Carroll, J. Schwartz and D.M. Ho, Inorg. Chem., 33, 2707 (1994).<br />

xciii E. Solari, C. Floriani, A. Chiesi-Villa, and C. Rizzoli, J. Chem. Soc., Dalton Trans., 367 (1992).<br />

xciv F. Franceschi, E. Gallo, E. Solari, C. Floriani, A. Chiesi-Villa, C. Rizzoli, N. Re, and A. Sgamellotti, Chem.Eur.J., 2, 1466 (1996).<br />

xcv U. Auerbach, T. Weyhermuller, K. Weighardt, B. Nuber, E. Bill, C. Butzlaff, and A.X. Trautwein, Inorg. Chem., 32, 508 (1993).<br />

xcvi H. Hefele, E. Ludwig, W. Bansse, E. Uhlemann, Th. Lugger, E. Hahn, and H. Mehner, Z. Anorg. Allg. Chem., 621, 671 (1995).<br />

140<br />

141<br />

139<br />

140<br />

139<br />

134<br />

138<br />

xci<br />

xcv<br />

xcvi

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