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2 Homometallic Alkoxides

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[W2⊲ -OMe⊳2⊲OMe⊳6⊲NPh⊳2] 6 1.89-1.92 (3)<br />

av. 1.91<br />

2.05, 2.16 (2) 131–151 (t)<br />

av. 139<br />

121, 128 (b)<br />

[W2⊲ -OEt⊳2⊲OEt⊳4Cl2⊲NPh⊳2] 6 1.835–1.865 (9) 2.003, 2.213 (8) 129.7, 139.0 (t)<br />

118.6, 126.8 (b)<br />

318<br />

[W2⊲ -OMe⊳2⊲OMe⊳4⊲NC6H4Me⊳2] 6 1.886–1.922 (6) 2.072, 2.181 (6) 126.8–138.0 (t) 139<br />

av. 1.902<br />

av. 131.6<br />

120.1, 125.1 (b)<br />

[W2⊲ -OPr i ⊳2⊲OPr i ⊳4⊲NC6H4Me⊳2] 6 1.905–1.927 (4) 2.029, 2.243 (3) 137.4, 138.3 (t) 319<br />

av. 1.915<br />

130.0, 132.1 (b)<br />

⊲NBun 4⊳C [W2⊲ -OMe⊳⊲ -Cl⊳2Cl4⊲NPh⊳2]<br />

[W2⊲ -OPr<br />

6 – 2.002, 2.024 (5) 134.3, 135.2 319<br />

i ⊳2⊲OPr i ⊳6⊲NPh⊳2] 6 1.877, 1.932 (4)<br />

av. 1.908<br />

2.039, 2.227 (4) 127.2–169.2 (t)<br />

av. 141.1<br />

121.1, 124.1 (b)<br />

279<br />

[W2⊲ -OCMe2CMe2O⊳⊲O2C2Me4⊳4⊲NHPh⊳2] 6 1.85–2.00 (2) (c)<br />

av. 1.93<br />

1.80 (2) (b)<br />

– 118–148 320<br />

[W2⊲ -NHMeC2H4NHMe⊳⊲OEt⊳6] 511.88–1.97 (2)<br />

av. 1.92<br />

– – 324<br />

[W2⊲ -OCH2But⊳2⊲ -NC4Me4N⊳⊲OCH2But⊳4⊲py⊳] 6 1.870–1.967 (8) 2.037–2.226 (8) 127.2–132.6 (t) 325<br />

av. 1.926<br />

av. 2.119<br />

av. 129.8<br />

124.9–135.6 (b)<br />

av. 130.6<br />

[W2⊲ -OPr i ⊳2⊲ -NMeC2H2CMeN⊳⊲OPr i ⊳5] 6 1.875–1.962 (7) 2.055–2.131 (7) 127.2–142.0 (t) 325<br />

av. 1.915<br />

av. 2.086<br />

av. 133.3<br />

128.6–146.4 (b)<br />

av. 138.8<br />

[W2⊲ -OBu t ⊳⊲ -NCPhCHCH⊳⊲OBu t ⊳5] 5 1.878–1.913 (4) 2.058–2.107 (4) 133.3–151.0 (t) 325<br />

av. 1.892<br />

av. 144.9<br />

137.6, 138.3 (b)<br />

311<br />

277<br />

(continued overleaf )

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