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Updated: Jun 20, 2025

Heterogeneous Removal of Water-Soluble Ruthenium Olefin Metathesis Catalyst from Aqueous Media Via Host-Guest Interaction
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Heterogeneous Removal of Water-Soluble Ruthenium Olefin Metathesis Catalyst from Aqueous Media Via Host-Guest Interaction

Published on: August 23, 2018

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鲁的宿主-客人相互作用 (II) 烯复合体与白[7/8]uril

Elisa Roth1, Risnita Vicky Listyarini2,3, Thomas S Hofer2

  • 1Institute for Pharmacy, Pharmaceutical Chemistry, Department of Chemistry and Pharmacy, University of Innsbruck, Innrain 80/82, A-6020 Innsbruck, Austria.

Inorganic chemistry
|July 17, 2024
PubMed
概括

黄瓜[n]urils (CB[n]s) 通过与 (ruthenium) 形成稳定的宿主-客人相互作用,显示出作为药物输送载体的希望. 这些相互作用增强了金属药物的化学稳定性,为改善药物开发铺平了道路.

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Complexation Equilibria: The Chelate Effect

In complexation reactions, metal atoms or cations interact with ligands to form donor-acceptor adducts called metal complexes. Ligands that bind through one donor site are monodentate, ligands with two donor sites are bidentate, and those with more than two donor sites are polydentate ligands. For example, ethylene diamine is a bidentate ligand that binds through two nitrogen donor atoms, forming a five-membered ring. EDTA is a polydentate ligand that binds through four oxygen and two nitrogen...
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Radical substitution reactions can be used to remove functional groups from molecules. The hydrogenolysis of alkyl halides is one such reaction, where the weak Sn–H bond in tributyltin hydride reacts with alkyl halides to form alkanes. Here, the reagent Bu3SnH yields tributyltin halide as a byproduct.
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Arenediazonium substitution reactions occur when the diazonium group is substituted by various functional groups such as halides, hydroxyl, nitrile, etc. For instance, arenediazonium salts react with copper(I) salts of chloride, bromide, or cyanide to form corresponding aryl chlorides, bromides, and nitriles. These reactions are named Sandmeyer reactions. Although the mechanism of this reaction is complicated, as illustrated in Figure 1, they are believed to progress via an aryl copper...
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