bis[dicarboxylatotetramethyldistannoxanes], 6a and 6b, and dimethyltin bis(acetylacetonate), Me2Sn(acac)2, 7. Reaction of 3a with ethylene glycol generates a mixture of trinuclear clusters, from which 1,3-dioxa-2,2-dimethyl-2-stannacyclopentane (8a) precipitates. Crystal structure determinations by X-ray diffraction for 4, 5a, and 5b reveal essentially the same trinuclear clusters as in 3a and related compounds
                                    三核
锡簇[(Me 2 Sn)2(Me 2 SnO)(OCH 3)(HONZO)(ONZO)](3a ; HONZOH = o -HON CH-C 6 H 4 -OH,
水杨醛肟)的反应活性目的研究质子供体亲核试剂,以研究进入亲核试剂的性质和酸度对3a反应性及其簇网络稳定性的影响。的反应图3a与
苯甲醛肟,HON CH-C 6 H ^ 5,和
酚HO-C 6 H ^ 5- Ñ X Ñ(对ķ一> 8)保持群集网络并产生平滑μ的取代2 -OCH 3分别用于部分,μ 2 -bridging benzaldoximate,生成[(ME 2的Sn)2(ME 2的SnO)( ONCHC 6 ħ 5)(HONZO)(ONZO)](4),和μ 2 -bridging
酚盐,生成[(ME 2的Sn)2(ME 2的SnO)(OC 6 H ^ 5- ñ X ñ)(HONZO)( ONZO)](n = 1,X = 4-Me