Single Crystal Reactions of Metal Carboxylates

金属羧酸盐的单晶反应

• 批准号: 9221487
• 负责人: Bruce Foxman
• 金额: $ 28万
• 依托单位: Brandeis University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1993
• 资助国家: 美国
• 起止时间: 1993-04-01 至 1997-03-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9221487&HistoricalAwards=false
• 关键词: Single; Crystal; Reactions; Metal; Carboxylates

The goal of this work is to conduct a comprehensive set of synthetic, mechanistic, and X-ray structural experiments on two types of carboxylate salts having alkene or acetylene groups. Solid-state reactions will be induced by irradiation (UV, X-rays, gamma rays) and/or by heating. The investigation will focus on the physical and chemical mechanism of the reactions. These experiments will lead to improvements in the understanding of structure-reactivity relationships for solid-state reactions, and in the effecient planning and execution of stereospecific and regiospecific syntheses in solids. To enhance the understanding of the radiation chemistry of molecular crystals, metal complexes will be irradiated by synchrotron x-radiation at specific wavelength near the absorption edge of the metal. %%% The distinct advantages of solid-state syntheses of chemical compounds include improvements in efficiency or selectivity, and the ability to prepare compounds unavailable by conventional solution chemistry at greatly improved yields. A broad investigation is proposed on the solid-state reactivity of salts of unsaturated carboxylic acids. The discovery of extensive general reactivity, particularly for metal salts, promises to open new areas of solid-state synthesis. The mechanism of single crystal reactions will be probed from both chemical and physical points of view. Information gained regarding the role of the metal in the reactions of unsaturated carboxylate will enhance the understanding of radiation chemistry of molecular crystals.

这项工作的目标是对两种类型的具有烯烃或乙炔基团的羧酸盐进行一套全面的合成、机械和X射线结构实验。固态反应将由辐射(紫外线、X射线、伽马射线)和/或加热引起。调查将重点放在反应的物理和化学机制上。这些实验将促进对固相反应结构-反应性关系的理解，以及在固体中有效地规划和执行立体特定和区域特定的合成。为了加深对分子晶体辐射化学的了解，金属络合物将在金属吸收边附近的特定波长进行同步辐射。固相合成化合物的显著优点包括效率或选择性的提高，以及以极大提高的产率制备传统溶液化学无法获得的化合物的能力。对不饱和羧酸盐的固相反应性进行了广泛的研究。广泛的一般反应性的发现，特别是对金属盐的反应，有望开辟固态合成的新领域。将从化学和物理两个角度探讨单晶反应的机理。关于金属在不饱和羧酸盐反应中的作用的信息将加强对分子晶体辐射化学的理解。