第二章。amaravadin及其配合物作为氧化催化剂

Jose A. Silva, M. F. C. G. Silva, Manas Sutradhar, A. Pombeiro
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引用次数: 0

摘要

金刚烟素是一种存在于几种真菌中的钒金属生物分子,具有独特的结构和配位化学性质。这种非氧化金属配合物具有两个特定的n-氧亚胺二羧酸配体,所有8个给体原子都与金属中心有单配位键。它的生物学作用尚不清楚,尽管它介导水氧化并表现出亚硝酸盐还原酶、过氧化氢酶和过氧化物酶型活性,后者对某些硫醇(包括生物硫醇)具有活性。Amavadin及其模型还可以催化烷烃和其他碳氢化合物的过氧化、过氧化卤化和羧基化,以及醇的氧化,尽管是在不太可能的生物条件下。本章将讨论所有这些主题。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Chapter 2. Amavadin and Related Complexes as Oxidation Catalysts
Amavadin is a vanadium metallobiomolecule present in a few fungi Amanita that exhibits an unusual structure and coordination chemistry. This non-oxido-metal complex bears two particular N-oxyiminodicarboxylate ligands with single coordination bonds from all the eight donor atoms to the metal centre. Its biological role is yet unknown, although it mediates water oxidation and displays nitrite reductase-, catalase- and peroxidase-type activity, the latter on some thiols (including biological ones). Amavadin and its models can also catalyse peroxidative oxidation, peroxidative halogenation and carboxylation of alkanes and other hydrocarbons, as well as oxidation of alcohols, although under unlikely biological conditions. All these topics are addressed in this chapter.
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