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acceptable than triorganotin compounds from toxicological and practical perspectives. Further work on the synthetic scope of this material is in progress. Experimental SectionMaterials. 1,1,1,2,3,3,3-Heptamethyltrisilane,41 cyclohexyl selenide,42 cyclohexyl xanthate,43 neophyl bromide,44 and ditert-butyl hyponitrite45 were prepared following literature procedures. (Me3Si)2Si(D)Me was obtained from the corresponding silyl chloride41 and LiAlD4. All other materials were commercially available and used as received.General Procedure for Reduction of Organic Derivatives (Table I). A solution containing the compound to be reduced, (Me3Si)2Si(H)Me (1.2 equiv), and AIBN (10-20%) as initiator in toluene or benzene was heated at 348-363 K for 0.5-2.5 h and then analyzed by GC. Yields were quantified by GC using dodecane or tetradecane as an internal standard.General Procedure for Kinetic Measurement. tert-Butylbenzene containing a small amount of decane as an internal GC standard was used as solvent. In the case of neophyl bromide, benzene was used as solvent. (Me3Si)2Si(H)Me was added at concentrations between 1.2 and 4 M, and the bromides were added in a ratio of ca. 1:20 respect to the silane. Samples of the reaction mixtures were degassed and sealed under nitrogen in Pyrex am-

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