Oxovanadium(V) and Dioxomolybdenum(VI) Complexes of Amide-Imine Conjugates: Structures, Catalytic and Antitumor Activities


Three new amide-imine conjugates, namely [(E)-2-hydroxy-N_-((2-hydroxynaphthalen-1-yl)methylene)benzohydrazide] (SALNP), [(E)-N_-(4-(diethylamino)-2-hydroxybenzylidene)-2-hydroxybenzohydrazide] (SALSD), and [(E)-N_-(3-ethoxy-4-hydroxybenzylidene)-2-hydroxybenzohydrazide] (SALVN), derived by reacting 2-hydroxybenzohydrazide (SAL) with three different aldehyde, 2-hydroxynapthaldehyde, 4-(diethylamino)-2-hydroxybenzaldehyde, and 3-ethoxy-4-hydroxybenzaldehyde, respectively. Three mononuclear oxovanadium(V) and two _oxo-bridged dinuclear molybdenum(VI) complexes have been synthesized using SALNP and SALSD. Besides, SALVN is used to prepare oxovanadium(V) and dioxomolybdenum(VI) complexes. All five metal complexes along with three amide-imine conjugates are characterized by single crystal XRD analysis. Some of them have been explored as catalyst for oxidation of alkyl benzene and styrene. Antitumor activities of the metal complexes along with ligands have been studied on Dalton lymphoma (DL) and 2PK3 murine lymphoma cells. Copyright © 2019 American Chemical Society.


Ta S.; Ghosh M.; Salam N.; Ghosh S.; Branda› P.; FŽlix V.; Hira S.K.; Manna P.P.; Das D.

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The crystal data have been deposited with following CCDC numbers: SALNP (1829632), SALSD (1829642), SALVN (1829643), V1 (1829647), M1 (1829654), M2 (1829655), and M3 (1829657). The present work is partially supported by the grant from DST-SERB, GOI (ECR/2016/0105) to SKH. The crystallographic studies have been carried out within the scope of the project CICECO-Aveiro Institute of Materials, FCT ref. UID/CTM/50011/2019, financed by national funds through the FCT/MCTES. The authors declare no competing financial interest.

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