2013
DOI: 10.1021/ic302567e
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Heterometallic Cerium(IV) Perrhenate, Permanganate, and Molybdate Complexes Supported by the Imidodiphosphinate Ligand [N(i-Pr2PO)2]

Abstract: Heterometallic cerium(IV) perrhenate, permanganate, and molybdate complexes containing the imidodiphosphinate ligand [N(i-Pr2PO)2](-) have been synthesized, and their reactivity was investigated. Treatment of Ce[N(i-Pr2PO)2]3Cl (1) with AgMO4 (M = Re, Mn) afforded Ce[N(i-Pr2PO)2]3(ReO4) (2) or Ce2[N(i-Pr2PO)2]6(MnO4)2 (3). In the solid state, 3 is composed of a [Ce2{N(i-Pr2PO)2}6(MnO4)](+) moiety featuring a weak Ce-OMn interaction [Ce-OMn distance = 2.528(8) Å] and a noncoordinating MnO4(-) counteranion. Whil… Show more

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Cited by 10 publications
(4 citation statements)
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“…Moreover, ceria has served as an efficient catalyst for water gas shift reaction among other catalytic applications due to the outstanding oxygen storage capacity as well as the ease in oxygen vacancies generation and reparation. To date, several examples exist of discrete Ce IV /M oxo compounds, clusters, and polyoxometalates, which have been predominantly investigated for magnetic studies but few for catalysis. Meanwhile, ceria-supported vanadium catalysts have demonstrated high potential in oxidative catalysis, like oxidative dehydrogenation, , cyclohexene epoxidation, and methanol oxidation. , Therefore, developing and interrogating heterometallic CeV-oxo clusters for catalysis poses a great interest to both the catalytic and bimetallic Ce/V cluster field. Recently, a V polyoxovanadate, ( n -Bu 4 N) 2 [(Ce III (dmso) 3 ) 2 V IV V V 11 O 33 Cl] with Ce III dopants, and a cluster, Ce 4 V 4 O 13 , were synthesized; these clusters were utilized for indigo degradation and thioanisole oxidation, respectively. , However, the aforementioned clusters resembled vanadium doped with cerium rather than bulk ceria, and these materials also formed extended crystals with no internal porosity, limiting reactivity as a heterogeneous catalyst.…”
Section: Introductionmentioning
confidence: 99%
“…Moreover, ceria has served as an efficient catalyst for water gas shift reaction among other catalytic applications due to the outstanding oxygen storage capacity as well as the ease in oxygen vacancies generation and reparation. To date, several examples exist of discrete Ce IV /M oxo compounds, clusters, and polyoxometalates, which have been predominantly investigated for magnetic studies but few for catalysis. Meanwhile, ceria-supported vanadium catalysts have demonstrated high potential in oxidative catalysis, like oxidative dehydrogenation, , cyclohexene epoxidation, and methanol oxidation. , Therefore, developing and interrogating heterometallic CeV-oxo clusters for catalysis poses a great interest to both the catalytic and bimetallic Ce/V cluster field. Recently, a V polyoxovanadate, ( n -Bu 4 N) 2 [(Ce III (dmso) 3 ) 2 V IV V V 11 O 33 Cl] with Ce III dopants, and a cluster, Ce 4 V 4 O 13 , were synthesized; these clusters were utilized for indigo degradation and thioanisole oxidation, respectively. , However, the aforementioned clusters resembled vanadium doped with cerium rather than bulk ceria, and these materials also formed extended crystals with no internal porosity, limiting reactivity as a heterogeneous catalyst.…”
Section: Introductionmentioning
confidence: 99%
“…Ce/Mn-oxo chemistry has now grown extensively and spans clusters with a large variety of total metal nuclearities and Ce/Mn ratios, from mainly Ce to mainly Mn, and everything in between; some of these also contain one or more Ce III ions. [Ce 10 Mn 8 O 18 (O 2 C i Pr) 26 (H 2 O) 2 ] and [Ce 5 Mn 11 O 13 (OH) 2 (O 2 CPh) 24 (NO 3 ) 2 ] − are the highest nuclearity clusters to date.…”
Section: Introductionmentioning
confidence: 99%
“…Due to the biological activity phosphorus-nitrogen compounds are used as catalysts 1 while playing a decisive role as a ligand. [2][3][4][5][6] In recent years, the usage as phosphorus-nitrogen based flame retardants gets more attention and due to its versatility and effectiveness, phosphorus is a promising element to replace the widespread halogenated flame retardants. [7][8][9][10][11] Phosphorus based flame retardants have shown direct correlation between the point of attack during burning and the chemical structure surrounding the phosphorus species.…”
Section: Introductionmentioning
confidence: 99%