Study on the reaction behavior of some trinuclear complexes of transition metals: [Fe 2M(μ 3-O) (μ-O 2CCH 3) 6(H 2O) 3] · xH 2O by the method of probe reaction of acetic acid

Qing Shan Xie; Ling Jie He; Bo Chen; Su Hua Cai; Yan Ming Wang; Wen Bo Zhou; Lin Na Zhang

Study on the reaction behavior of some trinuclear complexes of transition metals: [Fe ₂M(μ ₃-O) (μ-O ₂CCH ₃) ₆(H ₂O) ₃] · xH ₂O by the method of probe reaction of acetic acid

Qing Shan Xie, Ling Jie He, Bo Chen, Su Hua Cai, Yan Ming Wang, Wen Bo Zhou, Lin Na Zhang

Center for Drug Design

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Abstract

The reaction behaviors of the title complexes have been studied in the system of dinitrogen gas by means of in situ IR. It has been found that some active fragments created at some stage of the thermal decomposition process of the complexes enable the acetic acid both obtained from the ligand of the complexes and introduced from outside to convert to acetone by decarboxylation. Their optimum reaction temperatures are of 240-270 °C for [Fe ₂MnO(O ₂CCH ₂) ₆(H ₂O) ₃], 290-320 °C for [Fe ₃O-(O ₂CCH ₃) ₆(H ₂O) ₃D, 300-330 °C for [Fe ₂CoO(O ₂CCH ₃) ₆(H ₂O) ₃] and 320-350 °C for [Fe ₂NiO(O ₂CCH ₃) ₆(H ₂O) ₃], indicating the lowering sequence of the activity of active species. At the same time it has been shown that this activity may come from the joined contributions of both the coordinating capability of the hetero-metals in the complexes and their structural factors. On the basis of the TGA, DTA and EI-MS data, the composition of the active fragments has been tentatively inferred as [Fe ₂MnO-(0 ₂CCH ₃) _3-2].

Original language	English (US)
Pages (from-to)	365-371
Number of pages	7
Journal	Jiegou Huaxue
Volume	17
Issue number	5
State	Published - Dec 1 1998

Keywords

Carboxylato complexes
Cobalt complexes
In situ IR
Iron complexes
Manganese complexes
Nickel complexes

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title = "Study on the reaction behavior of some trinuclear complexes of transition metals: [Fe 2M(μ 3-O) (μ-O 2CCH 3) 6(H 2O) 3] · xH 2O by the method of probe reaction of acetic acid",

abstract = "The reaction behaviors of the title complexes have been studied in the system of dinitrogen gas by means of in situ IR. It has been found that some active fragments created at some stage of the thermal decomposition process of the complexes enable the acetic acid both obtained from the ligand of the complexes and introduced from outside to convert to acetone by decarboxylation. Their optimum reaction temperatures are of 240-270 °C for [Fe 2MnO(O 2CCH 2) 6(H 2O) 3], 290-320 °C for [Fe 3O-(O 2CCH 3) 6(H 2O) 3D, 300-330 °C for [Fe 2CoO(O 2CCH 3) 6(H 2O) 3] and 320-350 °C for [Fe 2NiO(O 2CCH 3) 6(H 2O) 3], indicating the lowering sequence of the activity of active species. At the same time it has been shown that this activity may come from the joined contributions of both the coordinating capability of the hetero-metals in the complexes and their structural factors. On the basis of the TGA, DTA and EI-MS data, the composition of the active fragments has been tentatively inferred as [Fe 2MnO-(0 2CCH 3) 3-2].",

keywords = "Carboxylato complexes, Cobalt complexes, In situ IR, Iron complexes, Manganese complexes, Nickel complexes",

author = "Xie, {Qing Shan} and He, {Ling Jie} and Bo Chen and Cai, {Su Hua} and Wang, {Yan Ming} and Zhou, {Wen Bo} and Zhang, {Lin Na}",

year = "1998",

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language = "English (US)",

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pages = "365--371",

journal = "Jiegou Huaxue",

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TY - JOUR

T1 - Study on the reaction behavior of some trinuclear complexes of transition metals

T2 - [Fe 2M(μ 3-O) (μ-O 2CCH 3) 6(H 2O) 3] · xH 2O by the method of probe reaction of acetic acid

AU - Xie, Qing Shan

AU - He, Ling Jie

AU - Chen, Bo

AU - Cai, Su Hua

AU - Wang, Yan Ming

AU - Zhou, Wen Bo

AU - Zhang, Lin Na

PY - 1998/12/1

Y1 - 1998/12/1

N2 - The reaction behaviors of the title complexes have been studied in the system of dinitrogen gas by means of in situ IR. It has been found that some active fragments created at some stage of the thermal decomposition process of the complexes enable the acetic acid both obtained from the ligand of the complexes and introduced from outside to convert to acetone by decarboxylation. Their optimum reaction temperatures are of 240-270 °C for [Fe 2MnO(O 2CCH 2) 6(H 2O) 3], 290-320 °C for [Fe 3O-(O 2CCH 3) 6(H 2O) 3D, 300-330 °C for [Fe 2CoO(O 2CCH 3) 6(H 2O) 3] and 320-350 °C for [Fe 2NiO(O 2CCH 3) 6(H 2O) 3], indicating the lowering sequence of the activity of active species. At the same time it has been shown that this activity may come from the joined contributions of both the coordinating capability of the hetero-metals in the complexes and their structural factors. On the basis of the TGA, DTA and EI-MS data, the composition of the active fragments has been tentatively inferred as [Fe 2MnO-(0 2CCH 3) 3-2].

AB - The reaction behaviors of the title complexes have been studied in the system of dinitrogen gas by means of in situ IR. It has been found that some active fragments created at some stage of the thermal decomposition process of the complexes enable the acetic acid both obtained from the ligand of the complexes and introduced from outside to convert to acetone by decarboxylation. Their optimum reaction temperatures are of 240-270 °C for [Fe 2MnO(O 2CCH 2) 6(H 2O) 3], 290-320 °C for [Fe 3O-(O 2CCH 3) 6(H 2O) 3D, 300-330 °C for [Fe 2CoO(O 2CCH 3) 6(H 2O) 3] and 320-350 °C for [Fe 2NiO(O 2CCH 3) 6(H 2O) 3], indicating the lowering sequence of the activity of active species. At the same time it has been shown that this activity may come from the joined contributions of both the coordinating capability of the hetero-metals in the complexes and their structural factors. On the basis of the TGA, DTA and EI-MS data, the composition of the active fragments has been tentatively inferred as [Fe 2MnO-(0 2CCH 3) 3-2].

KW - Carboxylato complexes

KW - Cobalt complexes

KW - In situ IR

KW - Iron complexes

KW - Manganese complexes

KW - Nickel complexes

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Study on the reaction behavior of some trinuclear complexes of transition metals: [Fe ₂M(μ ₃-O) (μ-O ₂CCH ₃) ₆(H ₂O) ₃] · xH ₂O by the method of probe reaction of acetic acid

Abstract

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