Dinuclear Copper(II) 3,4,5-Tri-O-benzylgallate

Mikuriya, Masahiro; Yamakawa, Chihiro; Masuda, Naoyuki; Yoshioka, Daisuke; Yamaguchi, Sayuri; Yamada, Hidetoshi; Mizuta, Tsutomu; Kawata, Naomi; Tanaka, Hidekazu; Handa, Makoto

doi:10.2174/1874842201906010019

Cited by 4 publications

(12 citation statements)

References 27 publications

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“…The bond distances of the Cu1 and basal O atoms are 1.9622(12) -1.9694(12)Å, which are comparable to those found in copper(II) carboxylates. 7,11,12 The apical Cu1-O11 distance is 2.1328(14)Å, which is also in the normal range as apical bonding for the copper(II) carboxylates. 7,11,12 The Cu1 atom is 0.1762(6)Å above the basal plane, defined by the four 2,4,5-trimethoxybenzoato-oxygen atoms towards the apical methanol-oxygen atom.…”

Section: Preparation and Crystal Structure Of Tetrakis(μ-245-trimethoxybenzoato-κo:κo′)bis[(methanol)copper(ii)]-nn-dimethylformamide (1/mentioning

confidence: 92%

“…The Cu1-Cu1′ distance is 2.5847(5)Å, which is slightly shorter than those of 1 (2.6190(6)Å) and 2 (2.6345(12)Å). 11,12 The coordination geometry around each copper atom is an elongated square-pyramid. The bond distances of the Cu1 and basal O atoms are 1.9622(12) -1.9694(12)Å, which are comparable to those found in copper(II) carboxylates.…”

Section: Preparation and Crystal Structure Of Tetrakis(μ-245-trimethoxybenzoato-κo:κo′)bis[(methanol)copper(ii)]-nn-dimethylformamide (1/mentioning

confidence: 99%

“…11 We also synthesized the dinuclear cluster [Cu2(tbng)4(dmf )2] (tbng -= 3,4,5-tri-O-benzylgallate) (2). 12 Unfortunately, these complexes did not show a good adsorption property for N2. In this work, we have employed 2,4,5-trimethoxybenzoic acid (H245-tmbz) as a carboxylic acid by changing the methoxysubstituent position to obtain a new copper(II) carboxylate, and determined the crystal structure of the isolated complex (3), which has the molecular structure as shown in Fig.…”

mentioning

confidence: 99%

“…Dinuclear metal carboxylates have attracted considerable attention due to their potential application for functional materials, such as gas storage, [1][2][3][4] as well as their unique structures and magnetic properties. [5][6][7][8][9][10][11][12] Recently, we reported on the dinuclear copper(II) carboxylate obtained from the reaction of 3,4,5-trimethoxybenzoic acid (H345-tmbz) and copper(II) salt, [Cu2(345-tmbz)4(CH3OH)2]•2dmf (1), which has a syn-synbridged dinuclear cluster with a Cu-Cu distance of 2.6190(6)Å. 11 We also synthesized the dinuclear cluster [Cu2(tbng)4(dmf )2] (tbng -= 3,4,5-tri-O-benzylgallate) (2).…”

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confidence: 99%

“…Copper(II) carboxylate (3) was prepared by a method described in the literature. 11,12 A portion of 2,4,5-trimethoxybenzoic acid (0.5020 g, 2.366 mmol) was added to a 5 cm 3 of a 0.10 M sodium hydroxide solution. The solution was neutralized by the addition of nitric acid with a phenolphthalein indicator.…”

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Preparation and Crystal Structure of Tetrakis(μ-2,4,5-trimethoxybenzoato-κO:κO′)bis[(methanol)copper(II)]-N,N-dimethylformamide (1/2) in Relation to Adsorption Property for N2

Mikuriya

Yamakawa

Tanabe

et al. 2021

X-ray Structure Analysis Online

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A dinuclear copper(II) carboxylate with 2,4,5-trimethoxybenzoic acid (H245-tmbz), tetrakis(μ-2,4,5-trimethoxybenzoato-κO:κO′)bis[(methanol)copper(II)]-N,N-dimethylformamide (1/2), [Cu2(245-tmbz)4(CH3OH)2]•2dmf (dmf = N,Ndimethyl formamide), was prepared. The crystal structure was determined by the single-crystal X-ray diffraction method at 90 K. It crystallizes in the triclinic space group, P1, with a = 11.2532(13)Å, b = 11.6634(13)Å, c = 12.3118( 14)Å, α = 65.354(2) , β = 65.025(2) , γ = 72.661(2) , V = 1316.7(3)Å 3 , Dx = 1.491 g/cm 3 , and Z = 1. The R1 [I > 2σ(I)] and wR2 (all data) values are 0.0328 and 0.0846, respectively, for all 6035 independent reflections. The unit cell contains a μ-syn-syn-benzoato-bridged dinuclear cluster (Cu•••Cu 2.5847(5)Å) with apical methanol molecules, which are hydrogen bonded to the crystal dmf molecules. Adsorption isotherm measurement showed the Type II adsorption property with an SBET of 4.7 m 2 g -1 for N2.

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Section: Preparation and Crystal Structure Of Tetrakis(μ-245-trimethoxybenzoato-κo:κo′)bis[(methanol)copper(ii)]-nn-dimethylformamide (1/mentioning

confidence: 92%

Section: Preparation and Crystal Structure Of Tetrakis(μ-245-trimethoxybenzoato-κo:κo′)bis[(methanol)copper(ii)]-nn-dimethylformamide (1/mentioning

confidence: 99%

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confidence: 99%

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confidence: 99%

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confidence: 99%

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Preparation and Crystal Structure of Tetrakis(μ-2,4,5-trimethoxybenzoato-κO:κO′)bis[(methanol)copper(II)]-N,N-dimethylformamide (1/2) in Relation to Adsorption Property for N2

Mikuriya

Yamakawa

Tanabe

et al. 2021

X-ray Structure Analysis Online

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Crystal Structure of Tetrakis(μ-2,3,6-trimethoxybenzoato-κO:κO′)bis[(methanol)copper(II)]: Largely Rotated Benzoate Ring to the Carboxylato Bridge

Mikuriya

Yamakawa

Tanabe

et al. 2021

X-ray Structure Analysis Online

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A dinuclear copper(II) carboxylate with 2,3,6-trimethoxybenzoic acid (H236-tmbz), tetrakis(μ-2,3,6-trimethoxybenzoato-κO:κO′)bis[(methanol)copper(II)], [Cu2(236-tmbz)4(CH3OH)2], was prepared, and the crystal structure was determined by a single-crystal X-ray structure analysis at 90 K. It crystallizes in the triclinic space group P1 with a = 7.4282(11)Å, b = 12.2389(18)Å, c = 13.3158(19)Å, α = 115.128(2) , β = 95.396(3) , γ = 91.086(2) , V = 1088.8(3)Å 3 , Dx = 1.580 g/cm 3 , and Z = 1. The R1 [I > 2σ(I)] and wR2 (all data) values are 0.0513 and 0.1207, respectively, for all 4894 independent reflections. The two copper atoms are bridged by four 2,3,6-trimethoxybenzoato ligands in a syn-syn mode to form a dinuclear cluster (Cu•••Cu 2.6071(8)Å) with the apical methanol molecules. The benzoate phenyl rings are largely rotated to the bridging OCO moieties with a rotation angle (frot) of 74.9(2) and 44.6(3) .

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Functional Molecular Materials

Chorąży¹,

Sieklucka²

2019

CHEM

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Functional Molecular Materials Diverse physical functionalities may be incorporated into the molecule-based materials which are the special class of solid state systems made up of the molecular building blocks, including metal complexes and organic molecules. Taking advantage of the selection or preorganization of the specific molecular units, we are able to rationally design and synthesize molecular materials brining desired properties. Following this approach, a large family of functional molecular materials have been obtained, and they were shown to exhibit or even combine such physical functionalities as magnetic ordering, slow magnetic relaxation, spin transition phenomena, permanent porosity, photoluminescence, chirality, second harmonic generation, magneto-chiral dichroism, proton conductivity, ferroelectricity, zero-thermal expansion, and catalytic activity. Functional molecular materials are of a special interest as they are able to combine more than one of the above mentioned physical properties, which can lead to an unprecedented physical cross-effects, as exemplified by magnetically enhanced Magneto-Chiral Dichroism (MChD) [1], or 90-degree photo-switching of second harmonic light [2]. Functional molecular materials are also a great platform for the construction of molecular switches which magnetic, optical or electronic properties are sensitive to external stimuli, including light, electric field, temperature, pressure and guest molecules [3]. This mini-thematic issue contains the selected novel functional molecular materials showing specific physical properties designed by the precise choice of the starting molecular building blocks. This issue shows a small piece of the growing scientific area concerning chemistry and physics of functional molecular materials, and it is related to the 3 rd International Conference on Functional Molecular Materials (FUNMAT2017), which was held in Kraków in 2017. The topics collected in the issue are focused on three very different types of functional molecular materials: (1) the Fe(II) spin crossover complexes which were prepared using pre-designed Schiff-base like organic ligands with the support of additional 4,4'-bis(pyridyl)urea bridging molecules [4], (2) the magnetic and porous molecular system based on dinuclear Cu(II) molecules bridged by pre-synthesized 3,4,5-triO -benzylgallate moieties [5], and (3) the hybrid functional magnetic materials consisting of oxygen molecules encapsulated into single-walled carbon nanotubes, and Cu(II) metal centers embedded in the phthalocyanine sheets [6]. These reports show the richness of chemistry of functional molecular materials which enable the rational design of specific physical properties by selecting the appropriate molecular building blocks. As guest editors, we would like to acknowledge all the contributors to this issue, and the reviewers who devoted their time to ensure the final quality of the included articles.

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Dinuclear Copper(II) 3,4,5-Tri-O-benzylgallate

Cited by 4 publications

References 27 publications

Preparation and Crystal Structure of Tetrakis(μ-2,4,5-trimethoxybenzoato-κ<i>O</i>:κ<i>O</i>′)bis[(methanol)copper(II)]-<i>N,N</i>-dimethylformamide (1/2) in Relation to Adsorption Property for N<sub>2</sub>

Preparation and Crystal Structure of Tetrakis(μ-2,4,5-trimethoxybenzoato-κ<i>O</i>:κ<i>O</i>′)bis[(methanol)copper(II)]-<i>N,N</i>-dimethylformamide (1/2) in Relation to Adsorption Property for N<sub>2</sub>

Crystal Structure of Tetrakis(μ-2,3,6-trimethoxybenzoato-κ<i>O</i>:κ<i>O</i>′)bis[(methanol)copper(II)]: Largely Rotated Benzoate Ring to the Carboxylato Bridge

Functional Molecular Materials

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