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2 Homometallic Alkoxides

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505<br />

Table 6.9 Metal binaphtholates<br />

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

Compound Aryloxide M–O M–O–Ar Reference<br />

[f(THF) 2Nag3⊲ 2-di-OAr⊳3Eu] 1,1 0 -bi-2-naphtholato 2.286 (5) 123 i<br />

2.275 (5) 133<br />

2.336 (5) 117<br />

[f(THF) 2Nag3⊲ 2-di-OAr) 3Nd] 1,1 0 -bi-2-naphtholato 2.339 (7) 122 i<br />

2.242 (7) 132<br />

2.331 (7) 118<br />

[f(THF) 2Nag3⊲ 2-di-OAr⊳3Pr] 1,1 0 -bi-2-naphtholato 2.365 (7) 122 i<br />

2.260 (7) 133<br />

2.318 (7) 118<br />

[(ansa-Cp)Ti(Hdi-OAr)Cl]<br />

tetrahedral Ti<br />

1,10-bi-2-naphtholato-H 1.967 (2) 155 ii<br />

[(ansa-Cp)Ti(di-OAr)] 1,10-bi-2-naphtholato 2.010 (2) 121 ii<br />

tetrahedral Ti 2.019 (2) 121<br />

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

tetrahedral Ti<br />

1,10-bi-2-naphtholato 1.906 (1) 125 iii<br />

[(ansa-Cp)Ti(di-OAr)] 1,1 0 -bi-2-naphtholato 1.923 (1) 119 iv<br />

tetrahedral Ti 1.908 (1) 125<br />

[(ansa-Cp)Ti(di-OAr).n-hexane 1,1 0 -bi-2-naphtholato 1.926 (2) 119 iv<br />

tetrahedral Ti 1.903 (2) 125<br />

[Ti(di-OAr)⊲OPri⊳2] 3,3<br />

tetrahedral Ti<br />

0-dimethylbutylsilyl-1,10- 1.852 (2)<br />

110<br />

binaphtholato<br />

1.846 (2)<br />

122<br />

[Ti2⊲ 2-di-OAr⊳2⊲OPr i ⊳4]<br />

distorted tbp, axial OPri and -O<br />

3,30-dimethyl-1,10- binaphtholato<br />

1.832 (6)<br />

1.827 (6)<br />

2.128 (7), 1.969 (7)<br />

1.953 (7), 2.127 (7)<br />

135<br />

132<br />

v<br />

v<br />

(continued overleaf )

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