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2 Homometallic Alkoxides

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301<br />

[Mo2⊲ -OPr i ⊳2⊲OPr i ⊳6] 5 1.872–1.976 (3)<br />

av. 1.911<br />

1.958, 2.111 (3) 123.3–134.7 (t)<br />

av. 129.2<br />

131.1, 137.4 (b)<br />

– 134.1–175.6<br />

[Mo2⊲OSiMe3⊳6⊲Me2NH⊳2] 5 1.925–1.981 (5)<br />

225<br />

av. 1.949<br />

av. 157.2<br />

[Mo2⊲O2COBu t ⊳2⊲OBu t ⊳4] 5 1.860–1.903 (6)<br />

⊲ButO⊳ av. 1.885<br />

2.111–2.142 (6)<br />

⊲ButOCO2⊳ av. 2.126<br />

123.4, 154.6<br />

(t, ButO) av. 139.3<br />

226<br />

[Mo2⊲ -OBu t ⊳2⊲ -CO⊳⊲OBu t ⊳4] 5 1.876, 1.888 (7) 2.074, 2.093 (8) 152.6, 153.3 (t)<br />

135.0, 141.6 (b)<br />

227<br />

[Mo2⊲ -OPr i ⊳2⊲OPr i ⊳4⊲NO⊳2] 5 1.850, 1.861 (7) 1.951, 2.195 (6) 125.7, 129.9 (t)<br />

118.3, 134.8 (b)<br />

228<br />

[Mo2⊲ -OPr i ⊳2⊲OPr i ⊳4⊲NO⊳2⊲Me2NH⊳2] 6 1.909, 1.935 (5) 2.062, 2.196 (5) 129.9, 131.2 (t)<br />

120.6, 134.0 (b)<br />

229<br />

[Mo2⊲ -OPr i ⊳2⊲OPr i ⊳4Cl4] 6 1.808–1.819 (3) 2.013–2.020 (4) 143.8–146.0 (t) 230<br />

av. 1.814<br />

av. 2.016<br />

av. 145.1<br />

135.7–139.0 (b)<br />

av. 137.3<br />

[Mo2⊲ -OPr i ⊳2⊲OPr i ⊳4Br4] 6 1.805, 1.818 (5) 2.012, 2.014 (4) 147.7, 148.4 (t)<br />

134.0, 140.2 (b)<br />

230<br />

[Mo2⊲ -NC7H7⊳2⊲NC7H7⊳2⊲OPr i ⊳4] 5 1.882–1.900 (7)<br />

– 138.0–149.6 231<br />

av. 1.892<br />

av. 141.8<br />

[Mo2⊲ -OPr i ⊳3⊲OPr i ⊳3⊲N2CPh2⊳2⊲py⊳] 6 1.96, 1.96, 1.98 (1) 2.11–2.24 (1)<br />

av. 2.12<br />

– 232<br />

[Mo2⊲ -C2H2⊳⊲ -OPr i ⊳2⊲OPr i ⊳4⊲py⊳2] 611.923–1.964 (3) 2.106–2.187 (3) 133.9–138.9 (t) 233<br />

av. 1.941<br />

av. 2.146<br />

av. 135.5<br />

123.5–126.9 (b)<br />

av. 125.3<br />

224<br />

(continued overleaf )

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