Oxometal Complexes and Hydrocarbon Functionalization

9412465希尔·埃默里大学化学系克雷格·A·希尔博士受到化学部无机、生物无机和有机金属化学项目的支持，致力于开发杂多金属氧酸盐(HPOM)作为均相催化剂。将开发从HPOM到烷烃的氧化物转移，因为它对任何涉及氧化官能化的过程都具有核心重要性。对影响HPOM催化氧化反应的因素进行了评价。由于催化剂的寿命通常是有限的，人们将寻求新的系统来修复它们在运行过程中出现的缺陷。最后，将确定HPOM诱导非常不活跃的材料(如钻石表面)发生反应以及催化氧化硫化氢的能力。氧化反应在许多化学领域中都是非常常见和重要的。在工业规模上，它们经常受到环境问题的困扰，因为它们要么使用有毒物质，要么产生有毒的潜在污染物质。在该项目中，将开发一种新型的环境友好型催化剂。将评估它们发挥作用的基本方式，并将利用这些知识设计非常不具反应性的材料的氧化和有毒硫化氢转化为硫的工艺。

9412465 Hill Emory University Dr. Craig A. Hill, Chemistry Department, Emory University, is supported by the Inorganic, Bioinorganic, and Organometallic Chemistry Program of the Chemistry Division for research into the development of heteropolyoxometallates (HPOM) as homogeneous catalysts. The transfer of oxide from an HPOM to alkanes will be developed because of its central importance to any process which involves oxidative functionalization. The factors which influence HPOM catalyzed oxidation using the environmentally advantageous hydrogen peroxide will be evaluated. As catalysts normally have a finite lifetime, new systems will be sought which will heal defects which occur in them as they operate. Finally, the ability of HPOM's to induce reactions of very unreactive materials such as diamond surfaces and to catalytically oxidize hydrogen sulfide will be determined. Oxidation reactions are very common and important in many areas of chemistry. On the industrial scale they are often plagued by environmental problems because they either use or produce toxic, potentially polluting substances. In this project a new class of environmentally benign catalysts will be developed. The basic way in which they function will be assessed and this knowledge will be used to design processes for oxidations of very non-reactive materials and for the conversion of toxic hydrogen sulfide into sulfur.