Mono- and di-functional aromatic amines with p-alkoxy substituents as novel arylimido ligands for the hexamolybdate ion

Roesner, Rebecca A.; McGrath, Sara C.; Brockman, Jonathan T.; Moll, Johanna; West, Douglas X.; Swearingen, John K.; Castiñeiras, Alfonso

doi:10.1016/s0020-1693(02)01075-7

Cited by 41 publications

(30 citation statements)

References 32 publications

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“…[30,31] Hence, compared with the MoϵN bond length of 1.72 Å for the monosubstituted derivatives of hexamolybdate, the MoϵN bond length for 1 is slightly shorter by about 0.02 Å. [20,32,33] Selected bond lengths and angles are listed in Table 2. …”

Section: Structural Descriptionmentioning

confidence: 99%

trans‐Dinitrosyl‐Substituted Hexamolybdate and Study of Its Controllable NO Release

et al. 2013

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On the basis of the well-developed N,NЈ-dicyclohexylcarbodiimide (DCC) imidoylization strategy, the novel trans-dinitrosyl-substituted polyoxometalate (POM) (NBu 4 ) 4 -[Mo 6 O 17 (ϵNO) 2 ] was synthesized in moderate yield with high purity through a highly selective reaction route under mild reaction conditions. Its structure was elucidated by IR and UV/Vis spectroscopy, ESI-MS, and single-crystal X-ray diffraction studies. Furthermore, its ability to undergo con-

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Section: Structural Descriptionmentioning

confidence: 99%

trans‐Dinitrosyl‐Substituted Hexamolybdate and Study of Its Controllable NO Release

et al. 2013

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“…[20,21] As we know, it is very difficult to prepare organoimido derivatives of polyoxometalates bearing an electron-withdrawing group in reasonable yield and high purity using the three approaches mentioned above. However, one of us, together with his co-workers [22,23] at UMKC, has recently developed an efficient and convenient reaction protocol to give monofunctionalized arylimido derivatives of polyoxometalates with a carbodiimide, that is, DCC (N,NЈ-dicyclohexylcarbodiimide), as the dehydrating agent.…”

Section: Introductionmentioning

confidence: 99%

“…The IR spectra of the compounds are similar to those of previously reported mono organoimido derivatives, and the strong shoulder peak near 974 cm Ϫ1 proves them to be the mono-organoimido substitution derivatives. [15,16,21,26] Compared to the 1 H NMR spectra of corresponding free amine ligands, the protons of 1, 2, 3, 4, …”

Section: Introductionmentioning

confidence: 99%

An Easy Route to Monofunctionalized Organoimido Derivatives of the Lindqvist Hexamolybdate

et al. 2004

Eur J Inorg Chem

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In the presence of a carbodiimide (DCC) a proton can dramatically speed up the reaction of α‐[Mo8O26]4− with aromatic amines under mild conditions and convenient bench manipulations, which results in the easy synthesis of monofunctionalized organoimido derivatives of [Mo6O19]2− even bearing an electron‐withdrawing group such as bromo or chloro groups. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004)

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“…2-, a number of new organoimido-derivatives of hexamolybdate, [2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19] hexatungstate, 20 and pentatu ngstenmolybdate, 21 have been synthesized, spectroscopically characterized and, the majority, structurally authenticated by X-ray diffraction analysis. Very recently, the stability, bonding character, electronic properties, first hyperpolarizabilities of this type of complexes have also been studied by Density Functional Theory (DFT).…”

Section: Marcela Cortésmentioning

confidence: 99%

A NEW LINDQVIST-TYPE HEXAMOLYBDATE CLUSTER FUNCTIONALIZED WITH THE jt-DONOR LIGAND 4-BROMO-2,6-DIMETHYLPHENYLIMIDO: SPECTROSCOPIC, ELECTROCHEMICAL AND STRUCTURAL STUDIES

Cortés

Fuentealba

Manzur

et al. 2008

J. Chil. Chem. Soc.

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A new ionic organic-inorganic hybrid complex of formula (n-Bu 4 N) 2 [Mo 6 O 18 (NR)]⋅½Me 2 CO, R = -C 6 H 2 -2,6-Me 2 -4-Br, (n-Bu 4 N) 2 [1]⋅½Me 2 CO, has been prepared in acetonitrile by reacting tetrabutylammonium α-octamolybdate, (n-Bu 4 N) 4 [α-Mo 8 O 26 ], with 2,6-dimethyl-4-bromoaniline hydrochloride, 2,6-Me 2 -4-Br-C 6 H 2 NH 2 ⋅HCl, using N,N'-dicyclohexylcarbodiimide, (C 6 H 11 )N=C=N(C 6 H 11 ), as dehydrating agent. This complex, formulated as (n-Bu 4 N) 2 [1]⋅½Me 2 CO, contains a C-Br group which can be functionalized for constructing novel hybrid materials. The complex was fully characterized by IR, UV-Vis, 1 H-and 13 C-NMR spectroscopies, and authenticated by single crystal X-ray diffraction analysis. The asymmetric unit contains two crystallographically independent anions, [1] 2-, differing by the orientation of the phenyl ring relative to the hexamolybdate skeleton, and one molecule of acetone. Both molecules differ in the angles Mo(1)-N(1)-C(1)= 172.2(6) and Mo(7)-N(2)-C(9)= 175.6(6)°. These angles, near to 180°, indicate the presence of a Mo≡N triple bond.

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Mono- and di-functional aromatic amines with p-alkoxy substituents as novel arylimido ligands for the hexamolybdate ion

Cited by 41 publications

References 32 publications

trans‐Dinitrosyl‐Substituted Hexamolybdate and Study of Its Controllable NO Release

trans‐Dinitrosyl‐Substituted Hexamolybdate and Study of Its Controllable NO Release

An Easy Route to Monofunctionalized Organoimido Derivatives of the Lindqvist Hexamolybdate

A NEW LINDQVIST-TYPE HEXAMOLYBDATE CLUSTER FUNCTIONALIZED WITH THE jt-DONOR LIGAND 4-BROMO-2,6-DIMETHYLPHENYLIMIDO: SPECTROSCOPIC, ELECTROCHEMICAL AND STRUCTURAL STUDIES

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