首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Preparation of cationic [(R _2N)P _5Cl] ~+-cage compounds from [(R _2N)PCl] ~+ and P _4
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Preparation of cationic [(R _2N)P _5Cl] ~+-cage compounds from [(R _2N)PCl] ~+ and P _4

机译:由[(R _2N)PCl]〜+和P _4制备阳离子[(R _2N)P _5Cl]〜+笼型化合物

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摘要

The reaction of several amino-substituted mono- and dichlorophosphanes (R _2N) _nPCl _3-n (n = 2, R = i-Pr; n = 1, R = i-Pr, Cy) with GaCl _3 to form phosphenium cations [(i-Pr _2N) _2P] ~+ (13 ~+) and [(R _2N)PCl] ~+ (14a, b ~+) has been investigated. The isolation and fully characterization of the first amino- and chloro-substituted phosphenium cation 14b[GaCl _4] was accomplished. The insertion of these phosphenium ions into P-P bonds of dissolved P _4 was examined. Amino- and chloro-substituted phosphenium cations 14a, b ~+ readily form the corresponding P _5 ~+-cages 15a, b ~+. No reaction was observed for the less electrophilic diamino-substituted phosphenium cation 13 ~+. The molecular structures of [14b][GaCl 4] and [15b][Ga _2Cl _7] are presented and, furthermore, the intriguing NMR spectra of the P _5 ~+-cations 15a, b ~+ are discussed.
机译:几种氨基取代的单和二氯膦(R _2N)_nPC1 _3-n(n = 2,R = i-Pr; n = 1,R = i-Pr,Cy)与GaCl _3的反应形成form阳离子[ (i-Pr _2N)_2P]〜+(13〜+)和[(R _2N)PCl]〜+(14a,b〜+)已被研究。第一氨基和氯取代的阳离子14b [GaCl _4]的分离和完全表征。检查了这些离子在溶解的P _4的P-P键中的插入。氨基和氯取代的phosph阳离子14a,b〜+容易形成相应的P _5〜+笼15a,b〜+。亲电性较低的二氨基取代的阳离子13〜+未观察到反应。介绍了[14b] [GaCl 4]和[15b] [Ga _2Cl _7]的分子结构,并讨论了P _5〜+-阳离子15a,b〜+的有趣的NMR光谱。

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