Abstract
AbstractHerein, the characterization and reactivity of the metalated arsinidenyl (SIDipp)AsK (1 a) is described. This compound was obtained via deprotonation of the saturated “parent arsinidene” (SIDipp)AsH (1) with the strong base benzyl potassium and appears as pyrophoric, insoluble, red solid. The ability of crown ethers to improve the solubility of metal compounds through complex formation has been used to obtain crystals of (SIDipp)AsK. Thus, the crown ether complex [K(18‐crown‐6)(SIDipp)As] (1 b) was characterized as the first of its kind by single crystal x‐ray diffraction. Furthermore, (SIDipp)AsK was treated with di‐tert‐butylchloropnictogens (tBu2ECl, E=P, As, Sb, Bi) to give the interpnictogen compounds of the type (SIDipp)AsEtBu2 (2–5) with low valent arsenic substituents.
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