An Unprecedented Class of Benzoyldiazenido‐Functionalized Polyoxometalates with Enhanced Antitumour Activities

An unprecedented class of benzoyldiazenido‐functionalized polyoxometalates, [Bu4N]3[Mo6O18(=N=NCOAr)] (Ar=Ph, 1; Ph‐o‐Cl, 2; Ph‐m‐Cl, 3; Ph‐p‐Cl, 4; Ph‐o,p‐Cl2, 5; Ph‐p‐Br, 6; Ph‐m‐NO2, 7; Ph‐p‐NO2, 8; Ph‐p‐OMe, 9), are prepared through the reactions of α‐octamolybdate and the corresponding hydrazid...

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