Reaction of two equivalents of N‐trimethylsilylaniline (1) with two equivalents of n‐butyllithium, followed by subsequent treatment with Si2Cl6 (2) leads to the formation of the tetrachlorodisilane RSiCl2SiCl2R (3) (R = PhNSiMe3). 3 is converted to RSi(NH2)2Si(NH2)2R (4) by reaction with liquid ammonia. 4 reacts with cp*TiMe3 (5) (cp* = η5‐CsMe5) to yield the diazadisilatitanacyclopentane RSi(NH2)NHTiMe(cp*)NHSi(NH2)R (6). The crystal structure of 6 is reported.
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Böttcher et al. (1997) studied this question.
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