Novel α,ω-bis(trialkylsilyl)-allyl and -1-azapentadienyl ligands; structures of [Li{η3-CH(CHSiMe2But)2} (tmen)], [Li {N(SiMe3)CBut(CH)3SiMe2Bu t} (tmen)] and [K{η4-N(SiMe2But)CBut(CH) 3SiMe2But}]

Article abstract of DOI:10.1039/CC9960001647

The η³-allyl-lithium or -potassium compounds [Li{η³-CH(CHSiMe₂Bu^t)(CHSiMe ₂R)}(tmen)] (R = Bu^t 3a, Me 3b) and K{η³-CH(CHSiMe₂Bu^t)₂} (obtained from Bu^tMe₂SiCH₂CH=CHSiMe₂R) with Bu^tCN afford the 1-azapentadienyl-lithium or -potassium compounds [Li{η¹-N(SiMe₂R)C(Bu^t)(CH) ₃SiMe₂Bu^t}L] (L = tmen, R = Bu^t 6a, Me 6b; L absent, R = Bu^t 8a, Me 8b) or [K{η⁴-N(SiMe₂Bu^t)C(Bu^t)(CH) ₃SiMe₂Bu^t}]_∞ 7.

Full text of DOI:10.1039/CC9960001647

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