科研之友
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摘要
A number of diazocoupling products of molybdenum (VI) chelates of 汕-diketones with various types of aryldiazonium ions have been prepared. Aryldiazonium ions are obtained through the diazotization of aniline and substituted aniline using sodium nitrite and hydrochloric acid. The prepared diazocoupled products were studied by their analytical data, magnetic moment, molar conductance, electronic, infrared and 1HNMR spectral studies. The presence of vN=N mode in the IR spectra and absence of methane proton signal in the 1HNMR spectra of the prepared diazocoupled products indicate the occurrence of diazocoupling reaction. The molar conductance values indicate the non-electrolytic nature of the diazocoupled products. The electronic spectra and the dia magnetic behavior are indicative of the presence of +6 oxidation state of molybdenum. The structures of the synthesized diazocoupled products of molybdenum (VI) are likely to be octahedral.
