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首页> 外文期刊>Crystal growth & design >Metal-Organic Frameworks Containing (Alkynyl)Gold Functionalities: A Comparative Evaluation of Solvent-Assisted Linker Exchange, de Novo Synthesis, and Post-synthesis Modification
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Metal-Organic Frameworks Containing (Alkynyl)Gold Functionalities: A Comparative Evaluation of Solvent-Assisted Linker Exchange, de Novo Synthesis, and Post-synthesis Modification

机译：包含（炔）金功能的金属有机骨架：溶剂辅助的连接子交换，从头合成和后合成修饰的比较评估

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摘要

A series of metal-organic framework (MOF) materials containing Au-I-carbon covalent bonds was prepared by solvent-assisted linker exchange (SALE) between (alkynyl)gold(phosphine)-functionalized bipyridine linkers and the bipyridyl naphthalene tetracarboxydiimide struts in Zn pillared-paddlewheel MOFs. These new materials could not be obtained by the authors through de novo synthesis or post-synthesis modification, both of which lead to the decomposition of the organometallic complex. In contrast, the SALE process occurs readily under mild conditions that preserve the integrity of both the pillared-paddlewheel structure and the organometallic complex. For bipyridine linkers with similar basicities, the rate of the SALE exhibits a strong inverse dependence on the size of the phosphine ligand in the incoming (alkynyl)gold(phosphine)-functionalized linker, with smaller ligands reacting faster.
机译：通过在锌中的（炔基）金（膦）官能化联吡啶接头与联吡啶萘萘四羧基二酰亚胺撑杆之间进行溶剂辅助接头交换（SALE），制备了一系列含有Au-I-碳共价键的金属有机骨架（MOF）材料。柱状桨MOF。作者无法通过从头合成或合成后修饰获得这些新材料，这两种方法都会导致有机金属配合物的分解。相反，SALE过程在温和的条件下容易发生，该条件保持了柱状叶轮结构和有机金属配合物的完整性。对于具有相似碱性的联吡啶连接基，SALE的速率对传入的（炔基）金（膦）官能化连接基中膦配体的大小表现出强烈的逆相关性，较小的配体反应更快。

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