A general and highly regioselective synthesis approach to multi-functionalized organoimido derivatives of Polyoxometalates.
Organoimidoylization of Polyoxometalates (POMs) can dramatically modify the electronic structures of POMs and gives rise to novel "value-adding" properties of the POMs for promising material applications including photo-electronic transformation and catalysis. To date, the preparation of multi-functionalized organoimido derivatives of POMs is generally conducted under strict condition and is time-consuming with limited yields. Herein, a series of regioselective polyorganoimido derivatives of POMs, ocatant- [Mo6O13(NAr)3(μ2-NAr)3](2-) (Ar = phenyl (1), p-methoxyphenyl (2) and p-ethylphenyl (3)), were synthesized with high selectivity and in good yields via a general and highly regioselective synthesis method, called as the one-octant synthesis protocol. The reaction was monitored by ESI-MS and the as-prepared products were studied by ESI-MS, IR, UV-Vis, EA, (1)HNMR, single crystal XRD analysis and DFT calculations. The one-octant synthesis protocol here may serve as an idea method to design novel nanoscale POM-based organic-inorganic multi-functional hybrids.
Analysis and Test Center, Beijing University of Chemical Technology, Beijing 100029, P. R. China.|Key Lab of Organic Optoelectronics &Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China.|State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing 100191, P. R. China.
Yichao
Y
Huang
Key Lab of Organic Optoelectronics &Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China.
Jiangwei
J
Zhang
Analysis and Test Center, Beijing University of Chemical Technology, Beijing 100029, P. R. China.
Jian
J
Hao
Key Lab of Organic Optoelectronics &Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China.|State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing 100191, P. R. China.
Yongge
Y
Wei