3-Chloro-2-methyl-1-propene → Chloro(3-chloro-2-methylpropyl)dimethylsilane

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In a 100 ml apparatus, there were combined 30.5 g (0.1 mol) of 92% D3D', 9.1 g (0.1 mol) of methallyl chloride, and 9.5 g (0.1 mol) of Me2SiHCl. Heat was applied to 43° C. and 0.05 ml Pt catalyst solution added, causing an exothermic reaction to 95.5° C. in 26 min, with the heat source removed. Vacuum distillation of the complete reaction yielded 7.82 g (42.3%) of Me2SiClCH2CHMeCH2Cl and 16.89 g (45.3%) of D3D'CH2CHMeCH2Cl. This example shows that neither Me2SiHCl nor D3D' is an effective promoter for reaction of the other with methallyl chloride when used at the equimolar level.

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