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2 Homometallic Alkoxides

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531<br />

[Yb(OAr) 3⊲THF⊳2].THF<br />

square pyramid, axial OAr, transoid basal OAr<br />

[Yb(OAr) 3(DME)]0.5DME<br />

square pyramid, axial OAr, cisoid basal OAr<br />

OC6H3Ph2-2,6 2.038 (7)<br />

2.111 (8)<br />

2.084 (9)<br />

OC6H3Ph2-2,6 2.062 (5)<br />

2.051 (5)<br />

2.084 (4)<br />

[Cp2Yb(OAr)(THF)] [MeCpYb(OAr) 2⊲THF⊳] 1-naphtholato<br />

OC6H2Bu<br />

2.075 (5) 151 lvii<br />

t 2-2,6-Me-4 2.040 (4)<br />

2.078 (4)<br />

168<br />

179<br />

lviii<br />

[Yb(OAr) 2⊲HMPA⊳2]<br />

tetrahedral Yb<br />

OC6H3But 2-2,6 2.179 (8) 171 lix, lx<br />

[Yb(OAr)⊲OCPhC6H6⊳2⊲HMPA⊳2]<br />

tbp, axial HMPA<br />

OC6H2But 2-2,6-Me-4 2.093 (8) 178 lx<br />

[Yb(OAr)(OCPh2⊳2⊲HMPA⊳2] tbp, axial HMPA<br />

OC6H2But 2-2,6-Me-4 2.119 (5) 171 xlv<br />

[Yb(OAr) 2⊲fluorenone ketyl⊳⊲THF⊳2]<br />

tbp, axial THF<br />

OC6H2But 2-2,6-Me-4 2.082 (8)<br />

2.083 (8)<br />

173<br />

172<br />

xlv<br />

[Yb(OAr) 2⊲THF⊳3].THF<br />

distorted square pyramid, axial THF<br />

OC6H2But 3-2,4,6 2.21 (1)<br />

2.22 (1)<br />

174<br />

177<br />

lxi<br />

[Yb(OAr) 2⊲OEt2⊳2].OEt2<br />

tetrahedral Yb<br />

OC6H2But 2-2,6-Me-4 2.126 (9)<br />

2.182 (8)<br />

171<br />

167<br />

lxii, lxiii<br />

[Yb(OAr) 2⊲THF⊳2]<br />

tetrahedral Yb<br />

OC6H2But 2-2,6-Me-4 2.14 (1)<br />

2.135 (9)<br />

173<br />

178<br />

lxii<br />

liv G.B. Deacon, Tiecheng Feng, S. Nickel, M.I. Ogden, and A.H. White, Aust. J. Chem., 45, 671 (1992).<br />

lv G.B. Deacon, S. Nickel, P. MacKinnon, and E.R.T. Tiekink, Aust. J. Chem., 43, 1245 (1990).<br />

lvi G.B. Deacon, Tiecheng Feng, S. Nickel, M.I. Ogden, and A.H. White, Aust. J. Chem., 45, 671 (1992).<br />

lvii X.G. Zhou, Z.Z. Wu, and Z.S. Jin, J. Organomet. Chem., 431, 289 (1992).<br />

lviii Yingming Yao, Qi Shen, Jie Sun, and Feng Xue, Acta Crystallogr. C, 54, 625 (1998).<br />

lix Z. Hou, H. Yamazaki, K. Kobayashi, Y. Fujiwara, and H. Taniguchi, J. Chem. Soc., Chem. Commun., 722 (1992).<br />

lx T. Yoshimura, Zhaomin Hou, and Y. Wakatsuki, Organometallics, 14, 5382 (1995).<br />

lxi G.B. Deacon, Tiecheng Feng, P. MacKinnon, R.H. Newnham, S. Nickel, B.W. Skelton, and A.H. White, Aust. J. Chem., 46, 387 (1993).<br />

lxii G.B. Deacon, P.B. Hitchcock, S.A. Holmes, M.F. Lappert, P. MacKinnon, and R.H. Newnham. J. Chem. Soc., Chem. Commun., 935 (1989).<br />

(continued overleaf )<br />

168<br />

168<br />

164<br />

171<br />

161<br />

148<br />

lv, lvi<br />

xxvii

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