The ONN-complexes of dioxomolybdenum(VI) with dibasic 2-hydroxy-1- naphthaldehyde S-methyl/allyl-4-phenyl-thiosemicarbazones

Irfan Kizilcikli; Songül Eǧlence; Ali Gelir; Bahri Ülküseven

doi:10.1007/s11243-008-9110-y

The ONN-complexes of dioxomolybdenum(VI) with dibasic 2-hydroxy-1- naphthaldehyde S-methyl/allyl-4-phenyl-thiosemicarbazones

Irfan Kizilcikli, Songül Eǧlence, Ali Gelir, Bahri Ülküseven^*

^*Corresponding author for this work

Department of Physics Engineering

Istanbul University

Research output: Contribution to journal › Article › peer-review

17 Citations (Scopus)

Abstract

New dioxomolybdenum(VI) complexes were prepared by reacting S-methyl/allyl-4-phenyl-thiosemicarbazones of 2-hydroxy-1-naphthaldehyde (L ¹ H₂ and L ² H₂) and [MoO ₂(acac)₂] in methyl, ethyl and propylalcohols. In the complexes the doubly deprotonated ligands are coordinated to molybdenum as tridentate ONN-donors through phenolic-oxygen, azomethine- and thioamide-nitrogen. The solid complexes of general formula [MoO ₂L(ROH)] which contain an alcohol (ROH) as second ligand were characterized by physico-chemical and spectroscopic methods. The fluorescence emission intensities of the compounds were recorded in chloroform, and the intensity changes were evaluated depending on chelation and time. The structure of the S-allyl-4-phenyl-thiosemicarbazone complex has been determined by the single crystal X-ray diffraction method.

Original language	English
Pages (from-to)	775-779
Number of pages	5
Journal	Transition Metal Chemistry
Volume	33
Issue number	6
DOIs	https://doi.org/10.1007/s11243-008-9110-y
Publication status	Published - Sept 2008

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title = "The ONN-complexes of dioxomolybdenum(VI) with dibasic 2-hydroxy-1- naphthaldehyde S-methyl/allyl-4-phenyl-thiosemicarbazones",

abstract = "New dioxomolybdenum(VI) complexes were prepared by reacting S-methyl/allyl-4-phenyl-thiosemicarbazones of 2-hydroxy-1-naphthaldehyde (L 1 H2 and L 2 H2) and [MoO 2(acac)2] in methyl, ethyl and propylalcohols. In the complexes the doubly deprotonated ligands are coordinated to molybdenum as tridentate ONN-donors through phenolic-oxygen, azomethine- and thioamide-nitrogen. The solid complexes of general formula [MoO 2L(ROH)] which contain an alcohol (ROH) as second ligand were characterized by physico-chemical and spectroscopic methods. The fluorescence emission intensities of the compounds were recorded in chloroform, and the intensity changes were evaluated depending on chelation and time. The structure of the S-allyl-4-phenyl-thiosemicarbazone complex has been determined by the single crystal X-ray diffraction method.",

author = "Irfan Kizilcikli and Song{\"u}l Eǧlence and Ali Gelir and Bahri {\"U}lk{\"u}seven",

year = "2008",

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doi = "10.1007/s11243-008-9110-y",

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T1 - The ONN-complexes of dioxomolybdenum(VI) with dibasic 2-hydroxy-1- naphthaldehyde S-methyl/allyl-4-phenyl-thiosemicarbazones

AU - Kizilcikli, Irfan

AU - Eǧlence, Songül

AU - Gelir, Ali

AU - Ülküseven, Bahri

PY - 2008/9

Y1 - 2008/9

N2 - New dioxomolybdenum(VI) complexes were prepared by reacting S-methyl/allyl-4-phenyl-thiosemicarbazones of 2-hydroxy-1-naphthaldehyde (L 1 H2 and L 2 H2) and [MoO 2(acac)2] in methyl, ethyl and propylalcohols. In the complexes the doubly deprotonated ligands are coordinated to molybdenum as tridentate ONN-donors through phenolic-oxygen, azomethine- and thioamide-nitrogen. The solid complexes of general formula [MoO 2L(ROH)] which contain an alcohol (ROH) as second ligand were characterized by physico-chemical and spectroscopic methods. The fluorescence emission intensities of the compounds were recorded in chloroform, and the intensity changes were evaluated depending on chelation and time. The structure of the S-allyl-4-phenyl-thiosemicarbazone complex has been determined by the single crystal X-ray diffraction method.

AB - New dioxomolybdenum(VI) complexes were prepared by reacting S-methyl/allyl-4-phenyl-thiosemicarbazones of 2-hydroxy-1-naphthaldehyde (L 1 H2 and L 2 H2) and [MoO 2(acac)2] in methyl, ethyl and propylalcohols. In the complexes the doubly deprotonated ligands are coordinated to molybdenum as tridentate ONN-donors through phenolic-oxygen, azomethine- and thioamide-nitrogen. The solid complexes of general formula [MoO 2L(ROH)] which contain an alcohol (ROH) as second ligand were characterized by physico-chemical and spectroscopic methods. The fluorescence emission intensities of the compounds were recorded in chloroform, and the intensity changes were evaluated depending on chelation and time. The structure of the S-allyl-4-phenyl-thiosemicarbazone complex has been determined by the single crystal X-ray diffraction method.

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JO - Transition Metal Chemistry

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ER -

The ONN-complexes of dioxomolybdenum(VI) with dibasic 2-hydroxy-1- naphthaldehyde S-methyl/allyl-4-phenyl-thiosemicarbazones

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