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2 Homometallic Alkoxides

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544<br />

Table 6.21 (Continued)<br />

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

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

[Ti(OAr) 2⊲ 2 -PhNDNPh)(py) 2 ]<br />

two independent molecules, mono- 2 -azobenzene<br />

OC6H3Pri 2-2,6 1.836 (5)<br />

1.852 (6)<br />

1.845 (5)<br />

[Ti4⊲ 3-O⊳4(OAr) 4f -(CO) 9Co3⊲ 3-CCO2⊳g4]<br />

[Ti(OAr) 2⊲O⊳⊲4-pyrrolidinopyridine⊳2]<br />

tbp Ti, trans axial py ligands<br />

OC6H5<br />

OC6H3Pr<br />

1.788 (7) (av.) 145–165 xxxv<br />

i 2-2,6 1.863 (6)<br />

1.879 (6)<br />

167<br />

172<br />

xxxvi<br />

[Ti(OAr) 2⊲DNPh⊳⊲4-pyrrolidinopyridine⊳2]<br />

tbp Ti, trans axial py ligands<br />

OC6H3Pri 2-2,6 1.867 (3)<br />

1.880 (3)<br />

174<br />

172<br />

xxxi<br />

[Ti(OAr) 2⊲DNC6H3Me2-2,6)(py) 2 ] OC6H3Pri [Ti(OAr) 2⊲ -NBu<br />

2-2,6 xxxvii<br />

t⊳]2 OC6H3Pri [Ti⊲ 2-O⊳⊲OAr⊳2⊲4-pyrrolidinopyridine⊳]2<br />

2-2,6 OC6H3Pr<br />

xxxvii<br />

i 2-2,6 1.833 (2)<br />

1.817 (2)<br />

176<br />

156<br />

xxxviii<br />

[Ti(OAr) 2⊲DNPh⊳(3,4,7,8-Me4-1,10-phen)] OC6H3Ph2-2,6<br />

Non-Cp organometallic aryloxides<br />

1.882 (3)<br />

1.931 (3)<br />

150<br />

125<br />

xxxi<br />

[Ti(OAr) 2(Ph) 2]<br />

tetrahedral Ti<br />

OC6H3Ph2-2,6 1.794 (3)<br />

1.797 (3)<br />

153<br />

162<br />

xxxix<br />

[Ti(OAr) 3⊲CH2SiMe3⊳]<br />

tetrahedral Ti<br />

OC6H3Ph2-2,6 1.806 (2)<br />

1.802 (2)<br />

179<br />

164<br />

xxxix<br />

1.797 (2)<br />

170<br />

169<br />

169<br />

176<br />

lvi

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