We examined the reactions of a phosphanylalumane (>Al–P<) with chalcogen sources as a part of our investigation of the reactivity of the Al–P bonds. In the case of sulfur source, two S atoms were inserted into the Al–P bond to afford an [Al–S–P–S] heterocycle. Structural analysis and theoretical calculations revealed a charge-separated structure between the [Al]+ and [S2P]– moieties of the [Al–S–P–S] 4-membered ring, which is different from the [B–S–P–S] ring having concrete B–S σ-bonds in the 4-membered ring.

中文翻译：

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硫属元素插入到铝磷键中的反应

我们研究了磷酰铝铝烷（> Al–P <）与硫属元素的反应，这是我们研究Al–P键反应性的一部分。在硫源的情况下，两个S原子插入Al-P键以提供[Al-SS-PS]杂环。结构分析和理论计算表明，[Al–S–P–S] 4元环的[Al] +和[S 2 P] –部分之间存在电荷分离的结构，这与[B–S]不同–P–S]环在4元环中具有混凝土BSσ键。