Cohydrolysis of Organotin Chlorides with Trimethylchlorosilane. Okawara's Pioneering Work Revisited and Extended
作者:Jens Beckmann、Klaus Jurkschat、Ulrich Kaltenbrunner、Stephanie Rabe、Markus Schürmann、Dainis Dakternieks、Andrew Duthie、Dirk Müller
DOI:10.1021/om000588i
日期:2000.11.1
The synthesis of the stannasiloxanes [R2(Me3SiO)Sn]2O}2 (1, R = Me; 2, R = Et), [R2(Me3SiO)Sn]2O (8, R = Me3SiCH2; 9, R = t-Bu), R2Sn(OSiMe3)2 (3, R = i-Pr; 4, R = Me3SiCH2; 5, R = t-Bu; 6, R = Cp(CO)3W; 7, R = Cp(CO)2Fe), and [Cp(CO)2Fe]2Sn(OSiPh3)2 (7a), the monoorganotin trichloride Me3SiCH2SnCl3 (13), and the organotin oxocluster (Me3SiCH2Sn)12O14(OH)6Cl2 (14) is reported. Their identity was confirmed
锡烷硅氧烷[R 2(Me 3 SiO)Sn] 2 O} 2(1,R = Me; 2,R = Et),[R 2(Me 3 SiO)Sn] 2 O(8,R = Me 3 SiCH 2;9,R =t- Bu),R 2 Sn(OSiMe 3)2(3,R =i- Pr;4,R = Me 3 SiCH 2;5,R =t- Bu;6,R = Cp(CO)3 W;在图7中,R = Cp(CO)2 Fe)和[Cp(CO)2 Fe] 2 Sn(OSiPh 3)2(7a),三氯化单有机锡Me 3 SiCH 2 SnCl 3(13)和有机锡氧簇(据报道,Me 3 SiCH 2 Sn)12 O 14(OH)6 Cl 2(14)。他们的身份通过溶液和固态多核NMR光谱和在的情况下确认1,2,6,图7a,和14也通过单晶X-射线分析。119 Sn MAS光谱的旋转边带分析显示,锡硅氧烷1和2中锡原子的配位几何不同于相关的二有机锡氧化物(R