The aminal Me2NCH2NMe2 is doubly metalated by LitBu to give LiCH2N(Me)CH2N(Me)CH2Li, which reacts with chlorosilanes to afford the respective silylated species, including the six‐membered heterocycle Me2SiCH2N(Me)CH2N(Me)‐CH2 and the spiroheterocycle Si[CH2N(Me)CH2N(Me)CH2]2.
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Hans H. Karsch (1996) studied this question.
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