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2 Homometallic Alkoxides

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249<br />

[fSn2⊲ -OBu t ⊳2⊲OSiPh3⊳2gfMo(CO) 5g] 3 and 4 1.968, 2.000 (3) 2.083–2.171 (3) 149.4, 155.2 (t) 82<br />

av. 2.126<br />

[Snf⊲OC2H4⊳2NC2H4OHg2] 6 2.01, 2.04 – – 86<br />

[Sn2⊲ -OPr i ⊳2⊲OPr i ⊳4⊲acac⊳2] 6 1.957, 1.974 (5) 2.079, 2.117 (4) 124.4, 122.0 (t) 87<br />

128.1 (b)<br />

[Sn⊲OBu t ⊳4] 4 1.946, 1.949 (2) – 124.1, 125.0 88<br />

[Sn2⊲ -OPr i ⊳2⊲OPr i ⊳6⊲Pr i OH⊳2] 6 1.923, 1.964 (7); 2.080, 2.091 (4) 160, 139 (t) 88<br />

2.098, 2.142 (6) 126 (b)<br />

[Sn2⊲ -OBu i ⊳2⊲OBu i ⊳6⊲Bu i OH⊳2] 6 1.932, 1.943 (9); 2.069, 2.094 (7) – 89<br />

2.108, 2.114 (9)<br />

[Sn2⊲ -OCH2Ph⊳2⊲OCH2Ph⊳6⊲Me2NH⊳2] 6 1.978–2.010 (3) 2.113–2.133 (3) 123 (t, av.) 90<br />

av. 1.988 av. 2.122 124 (b, av.)<br />

[Sn2⊲ -OCMe2C6H4⊳2⊲OCMe2C6H4⊳2] 5 2.007 (3) 2.056 and 2.258 (2) 127.6 (r) 90<br />

114.2 (b)<br />

[Sn⊲OSiPh3⊳4⊲C5H5N⊳2] 6 1.976–2.004 (7) – 150.6–159.2 92<br />

av. 1.987 av. 154.8<br />

Pb⊲ -OC2H4OMe⊳2]1 4 – 2.23, 2.25; 2.38, 2.51 – 93<br />

Pb⊲ -OBu t ⊳3Pb⊲ -OBu t ⊳3Pb] 3 and 6 – 2.16 and 2.55 (2) – 94<br />

b D bridging, r D ring, t D terminal.<br />

2 Intrachelating. 3 Interchelating.

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