Chloromethylsilane functionalised dendrimers: synthesis and reactivity |
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| Authors: | Reinout Meijboom John R Moss |
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| Affiliation: | Department of Chemistry, University of Cape Town, Rondebosch 7701, South Africa |
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| Abstract: | Tetraallylsilane was functionalised using (chloromethyl)dimethylsilane to give the first generation chloromethyl terminated dendrimer 1. The resulting dendrimer was successfully reacted with K[CpM(CO)2] (Cp=η5-C5H5; M=Fe, Ru) to give Si[(CH2)3SiMe2CH2MCp(CO)2]4 functionalised dendrimers in satisfactory yield. Reaction of dendrimer 1 with NaI in acetone gave the -SiMe2CH2I functionalised dendrimer, while reactions of 1 with K[CpM(CO)3] (M=Mo, W, Re), Li[C5Me4H], Na[C5Me4H], the cobaloxime nucleophile or tert-BuLi were not successful. |
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| Keywords: | Dendrimer Carbosilane Iron Ruthenium Silicon |
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