Table 1.
Analytical and physical data of the organotin(IV) complexes.
| C. number | Reactants | Molar ratio | Products & colour | M.P. °C (d) | Yield (%) | Elemental analysis found (calcd.) |
Mol. Wt. Found (Calcd.) |
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|---|---|---|---|---|---|---|---|---|---|---|---|
| Metal | Ligands | %Sn | %C | %H | %N | ||||||
| Bu2Sn(L1)2 | Bu2SnO | C17H14N2O3 | 1 : 2 | C42H44N4O6Sn Red |
164 | 94 | 14.35(14.49) | 61.30(61.55) | 5.44(5.41) | 6.72(6.84) | 824.55(819.53) |
|
| |||||||||||
| Bu2Sn(L2)2 | Bu2SnO | C14H16N2O3 | 1 : 2 | C36H48N4O6Sn Red |
262 | 79.14 | 15.84(15.80) | 57.50(57.54) | 6.38(6.44) | 7.56(7.46) | 742.19(751.50) |
|
| |||||||||||
| Bu2Sn(L3)2 | Bu2SnO | C10H8N2O3 | 1 : 2 | C28H32N4O6Sn Red |
174 | 76.81 | 18.43(18.57) | 52.45(52.61) | 5.00(5.05) | 8.65(8.76) | 630.88(639.29) |
|
| |||||||||||
| Bu2Sn(L4)2 | Bu2SnO | C17H13ClN2O3 | 1 : 2 | C42H42Cl2N4O6Sn Dark brown |
210 | 72.39 | 13.03(13.36) | 56.84(56.78) | 4.73(4.76) | 6.39(6.31) | 872.54(888.42) |
|
| |||||||||||
| Bu2Sn(L5)2 | Bu2SnO | C14H15ClN2O3 | 1 : 2 | C36H46Cl2N4O6Sn Light brown |
270 | 68.29 | 14.34(14.47) | 52.59(52.71) | 5.60(5.65) | 6.70(6.83) | 831.57(820.38) |
|
| |||||||||||
| Bu2Sn(L6)2 | Bu2SnO | C10H7ClN2O3 | 1 : 2 | C28H30Cl2N4O6Sn Dark brown |
180–184 | 71.72 | 16.84(16.76) | 47.41(47.49) | 4.25(4.27) | 7.85(7.91) | 716.67(708.18) |