SYNTHESIS OF COBALT (III) SCHIFF BASE COMPLEXES BY TETRADENTATE N2O2 SCHIFF BASES

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ENTESHARI MAJID; KIANFAR ALI HOSSEIN

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Seminar Paper

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Seminar: IRANIAN INORGANIC CHEMISTRY CONFERENCE
Year:2014 | Issue:16

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Title

SYNTHESIS OF COBALT (III) SCHIFF BASE COMPLEXES BY TETRADENTATE N2O2 SCHIFF BASES

Author(s)

ENTESHARI MAJID | KIANFAR ALI HOSSEIN

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Abstract

COBALT SCHIFF BASE COMPLEXES HAVE BEEN STUDIED EXTENSIVELY. THEY ARE INVESTIGATED AS MODELS FOR THE COBALAMINE (B12) COENZYMES [1] CLASSIFIED AS AN OXYGEN CARRIER [2]. THEY APPLIED AS A CATALYST FOR THE PREPARATIVE OXYGENATION OF PHENOLS [3] AND AMINES [4]. COBALT (III) SALEN CATALYTIC ACTIVITY HAS BEEN INVESTIGATED. THE CATALYTICALLY ACTIVE SPECIES CONTAINS CO (III) OXIDATION STATE[5].COBALT (III) SCHIFF BASE COMPLEXES WITH FORMULA OF [COL(PR3)(OH2)]+ (WHERE L = TETRADENTATE N2O2 SCHIFF BASES) SHOW THAT THESE TYPES OF COMPLEXESARE IN EQUILIBRIUM WITH PHOSPHINES AND AMINES TO FORM [COL(PR3)2]+ AND [COL(PR3)(AMINE)]+ [6].THE [CO(NAPHEN)(PR3)(OH2)] CLO4 (WHERE NAPHEN = BIS(NAPHTHALDEHYDE)ETYLENEDIIMINE, R = BU AND PH) COMPLEXES WERE SYNTHESISZED IN METHANOL. THE SYNTHESIZED COMPOUNDS WERE CHARACTERIZED BY FT-IR, UV-VIS, 1H NMR SPECTROSCOPY AND ELEMENTAL ANALYSIS TECHNIQUES. THESE COMPLEXES WERE INCOPORATED INTO MONTMORILLONATE-K10 NANOCLAY. THE MODIFIED CLAY WAS IDENTIFIED BY FT-IR, XRD, TG/DTA, TECHNIQUES. ACCORDING TO THE XRD RESULTS OF THE NEW NANOHYBRID MATERIALS, THE SCHIFF BASE COMPLEXES ARE INTERCALATED IN THE INTERLAYER SPACES OF THE CLAY. TG/DTG RESULTS SHOW THAT THE INTERCALATION REACTION WAS TAKEN PLACE SUCCESSFULLY.

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APA: Copy

ENTESHARI, MAJID, & KIANFAR, ALI HOSSEIN. (2014). SYNTHESIS OF COBALT (III) SCHIFF BASE COMPLEXES BY TETRADENTATE N₂O₂ SCHIFF BASES. IRANIAN INORGANIC CHEMISTRY CONFERENCE. SID. https://sid.ir/paper/913086/en

Vancouver: Copy

ENTESHARI MAJID, KIANFAR ALI HOSSEIN. SYNTHESIS OF COBALT (III) SCHIFF BASE COMPLEXES BY TETRADENTATE N₂O₂ SCHIFF BASES. 2014. Available from: https://sid.ir/paper/913086/en

IEEE: Copy

MAJID ENTESHARI, and ALI HOSSEIN KIANFAR, “SYNTHESIS OF COBALT (III) SCHIFF BASE COMPLEXES BY TETRADENTATE N₂O₂ SCHIFF BASES,” presented at the IRANIAN INORGANIC CHEMISTRY CONFERENCE. 2014, [Online]. Available: https://sid.ir/paper/913086/en

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