Redox chemistry of discrete low-valent titanium complexes and low-valent titanium synthons,Chemical Communications

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Redox chemistry of discrete low-valent titanium complexes and low-valent titanium synthons
Chemical Communications ( IF 4.3 ) Pub Date : 2021-09-08 , DOI: 10.1039/d1cc02772g
Skye Fortier ₁ , Alejandra Gomez-Torres ₁

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Titanium is a versatile metal that has important applications in practical synthesis, though this is typically limited to stoichiometric reactions or Lewis acid catalysis. Recently, interest has grown in using titanium and other early-metals for redox catalysis; however, notable limitations exist due to the thermodynamic preference of these metals to adopt high oxidation states. Nonetheless, discrete low-valent titanium (LVT) complexes and their synthons (titanium complexes which chemically behave as LVT sources) are known. Here, we detail the various ligand platforms that are capable of stabilizing LVT compounds and present the redox chemistry of these systems. This includes a discussion of recent developments in the use of LVT synthons for accessing fully reversible oxidative-addition/reductive-elimination reactions.

中文翻译：

离散低价钛配合物和低价钛合成子的氧化还原化学

钛是一种多功能金属，在实际合成中具有重要应用，尽管这通常仅限于化学计量反应或路易斯酸催化。最近，人们对使用钛和其他早期金属进行氧化还原催化的兴趣越来越大。然而，由于这些金属的热力学偏好采用高氧化态，因此存在显着的局限性。尽管如此，离散的低价钛 (LVT) 复合物和它们的合成子（在化学上表现为 LVT 源的钛复合物）是已知的。在这里，我们详细介绍了能够稳定 LVT 化合物的各种配体平台，并展示了这些系统的氧化还原化学。这包括讨论使用 LVT 合成子进行完全可逆的氧化加成/还原消除反应的最新进展。

更新日期：2021-09-17

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