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Reactive half-metallocenium ionic liquids that undergo solventless ligand exchange

机译:进行无溶剂配体交换的反应性半金属离子液体

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The piano-stool half-metallocenium cations [Fe(C _5R _5)(CO) _2L] ~+ (C _5R _5=C _5H _5, C _5Me _5, C _5Me _4Et; L=1-pentene, nBuCN, MeCN, Me _2S, NH _3, NMe _3, pyridine) provide ionic liquids (ILs) with the bis(trifluoromethanesulfonyl)imide (Tf _2N) anion without introducing long alkyl chains. Their melting points are affected by molecular symmetry, and their thermal stabilities reflect the strength of the metal-ligand bonding. These are reactive liquids that show solventless ligand exchange reactions by gas absorption. The direction of the ligand-exchange reaction is correlated with the stabilities. Based on the variation of the melting points, these ILs undergo transformations between the liquid and solid phases associated with the reaction.
机译:钢琴凳半金属阳离子[Fe(C _5R _5)(CO)_2L]〜+(C _5R _5 = C _5H _5,C _5Me _5,C _5Me _4Et; L = 1-戊烯,nBuCN,MeCN,Me _2S,NH_3,NMe_3,吡啶)为离子液体(ILs)提供了双(三氟甲磺酰基)酰亚胺(Tf _2N)阴离子,而没有引入长烷基链。它们的熔点受分子对称性的影响,并且它们的热稳定性反映了金属-配体结合的强度。这些是反应性液体,通过气体吸收显示出无溶剂的配体交换反应。配体交换反应的方向与稳定性相关。基于熔点的变化,这些IL在与反应相关的液相和固相之间进行转变。

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