Synthesis and Structure of Polynuclear Clusters Constructed about Polyphosphine Backbones

聚膦骨架多核团簇的合成与结构

• 批准号: 9022909
• 负责人: Alan Balch
• 金额: $ 29.84万
• 依托单位: University of California-Davis
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1991
• 资助国家: 美国
• 起止时间: 1991-04-01 至 1995-03-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9022909&HistoricalAwards=false
• 关键词: Synthesis; Structure; Polynuclear; Clusters; Constructed

In this project in the Inorganic, Bioinorganic, and Organometallic Program of the Chemistry Division, Balch will continue the synthesis of ligands, generally containing some phosphine binding sites, that form complexes containing clusters of metal ions. These clusters show promise as sensors for a number of toxic pollutants and as catalysts for some reactions of commercial importance. The following goals will be pursued. (1) The design and synthesis of new polyfunctional ligands for constructing transition metal complexes. (2) To develop the coordination chemistry of these new ligands so that metal cluster forming reactions can be carried out with some degree of predictability and control. (3) The design and synthesis of new metallo- macrocycles which contain metal ions as an intrinsic part of their cyclic structure, and the exploration of the ability of these to bind inorganic and organic substances. (4) To examine the metal-metal bonding in these clusters and their electronic spectra and luminescence. (5) To explore their use as catalysts and in organic synthesis. (6) To initiate photochemical experiments including studies of the reactivity of excited states of these clusters. (7) To explore the ability of monophosphines to function as bridging ligands.

在化学部无机、生物无机和有机金属计划的这个项目中，Balch将继续合成配体，这些配体通常包含一些膦结合部位，形成包含金属离子簇的络合物。这些星系团显示出作为许多有毒污染物的传感器和一些具有商业意义的反应的催化剂的前景。将实现以下目标。(1)用于构建过渡金属配合物的新型多官能团配体的设计合成。(2)发展这些新配体的配位化学，使金属簇合物的形成反应具有一定的可预测性和可控性。(3)含有金属离子作为环状结构固有部分的新型金属大环的设计和合成，以及它们与无机和有机物质结合的能力的探索。(4)研究这些团簇中的金属-金属键以及它们的电子光谱和发光。(5)探索它们作为催化剂和在有机合成中的应用。(6)开展光化学实验，包括研究这些团簇的激发态的反应性。(7)探索单膦配体作为桥联配体的能力。