US-France Cooperative Research: Coordination Compounds of Polyoxomolybdate Anions

该奖项将支持纽约州立大学奥尔巴尼分校Jon Zubieta博士与法国巴黎皮埃尔和玛丽居里大学过渡化学实验室Yves Jeanin博士之间的合作研究。该项目的目的是研究多氧钼酸盐阴离子的配位化合物。由于非均相金属氧化物表面在化学工业中起着越来越重要的作用，在这些表面上发生的化学过程引起了相当大的兴趣。多氧钼酸盐与有机氮物种的化学反应在为生物固氮和工业氨氧化提供化学模型方面具有特别重要的意义。在这个联合项目中，研究人员将利用目前开发的多氧钼酸盐有机肼配合物的合成方法来研究多金属酸盐与有机氨基配体的配位化学。实验计划将集中于有机可溶性多氧钼酸盐、由配体稳定的多氧钼酸盐配合物和空隙型多氧金属酸盐的有机亚胺衍生物的合成。这些配合物将用x射线晶体学、多核磁共振和电化学进行表征。研究了有机亚胺衍生物的热分解和光化学反应，以及它们与烯丙醇和烯烃的反应。该项目将受益于美国和法国调查人员的互补专业知识；这两个实验室多年来一直在研究多金属氧酸盐与有机氮配体的配位化学的相关方面。

This award will support collaborative research between Dr. Jon Zubieta, State University of New York at Albany, and Dr. Yves Jeanin, Laboratorie de Chimie des Metaux de Transition, University of Pierre and Marie Curie Paris, France. The objective of the project is the investigation of coordination compounds of polyoxomolybdate anions. Since heterogeneous metal oxide surfaces play an increasingly important role in the chemical industry, the chemical processes which occur on these surfaces are of considerable interest. The chemistry of polyoxomolybdates with organonitrogen species is of particular importance in providing chemical models for abiological nitrogen fixation and industrial ammoxidation. In this joint project, the investigators will exploit currently developed synthetic methodologies for organohydrazido complexes of polyoxo- molybdates to the coordination chemistry of polymetalates with organoimido ligands. The experimental plan will concentrate on the synthesis of organoimido derivatives of organic soluble polyoxomo- lybdates, of polyoxomolybdate complexes stabilized by coligands, and of lacunary polyoxometalates. The complexes will be character- ized using X-ray crystallography, multinuclear NMR and electro- chemistry. Thermal and photochemical decomposition reactions of the organoimido derivatives, as well as their reactions with allyalcohol and alkenes will be investigated. The project will benefit from the complementary expertise of the US and French investigators; the two laboratories have been studying related aspects of the coordination chemistry of polyoxometalates with organonitrogen ligands for several years.