Fe(Cu)‐Containing Coordination Polymers: Syntheses, Crystal Structures, and Applications as Benzyl Alcohol Oxidation Catalysts

Han, Huayun; Zhang, Sujuan; Hou, Hongwei; Fan, Yaoting; Zhu, Yinian

doi:10.1002/ejic.200500808

Cited by 154 publications

(34 citation statements)

References 38 publications

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“…Currently, the assembly of multidentate ligands with transition metal [1,2] is of great interest due to their great use in constructing two-and three-dimensional polymers with functional properties, such as catalysis [3,4], optical material [5], and gas adsorbents [6]. Although some works have touched with these study [7,8], they mostly recur on the use of transition metal to form such complicated structures.…”

Section: Discussionmentioning

confidence: 99%

Crystal structure of triaquapotassium 3-carboxy-4-hydroxybenzenesulfonate, K(H2O)3(C7H5SO6)

Han¹,

Du²,

Wang³

2007

Zeitschrift Für Kristallographie - New Crystal Structures

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Source of materialTo solution of 5-sulfosalicylic acid dihydrate (0.2865 g, 1.1 mmol), potassium hydroxide solid (0.0730 g, 1.3 mmol) was added. After the sample was stirred for 1 h at 323 K, the solution was filtered. Colorless crystals of the title compound were obtained after the filtered left at room temperature for several days. DiscussionCurrently, the assembly of multidentate ligands with transition metal [1,2] is of great interest due to their great use in constructing two-and three-dimensional polymers with functional properties, such as catalysis [3,4], optical material [5], and gas adsorbents [6]. Although some works have touched with these study [7,8], they mostly recur on the use of transition metal to form such complicated structures. In the present study, potassium has been utilized to construct a three-dimensional polymer structure with the multifunctional ligand 5-sulfosalicylic acid, which has three coordination groups, COH, CO 2H, and CSO3H. Additionally, potassium coordination polymers with even cores are often found in zeolite materials [9]. The crystal structure analysis of the title compound revealed that SO 3 H group is deprotonated, the OH and CO 2 H groups are protonated. The sulfonate group of the 3-carboxy-4-hydroxybenzenesulfonate ion binds to three different potassium ions with the oxygen atoms O1, O1 #1, O2 and the carboxylic group binds to a fourth K + ion through the O6 oxygen atom (#1: x+1,y+1,z). The potassium ions are eight-coordinated by three sulfonate oxygen atoms from three different H 2 Ssal groups, one carboxylic oxygen atom of another H2Ssal group and four water molecules. K + ions are bridged by the two m 2 -O1 atoms of the SO 3 groups and two m 2 -O8 water atoms to form two four-membered rings (K 2 O 2 ). Additionally, the H 2Ssal is connected by O2 to another K + ion (#2: x,y1,z), while the O6 atom of the carboxylic group is linked to a further K + ion (#3: x+2,y+1,z). The equivalent operations #1 and #3 produce chains of K + ions, which are interlinked by a double bridge formed by the O1 atoms and water molecules O8 (O8 #3 ). A polymeric structure is formed by the KO interactions. The K···K intrachain distances are 4.3771 (8)

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Section: Discussionmentioning

confidence: 99%

Crystal structure of triaquapotassium 3-carboxy-4-hydroxybenzenesulfonate, K(H2O)3(C7H5SO6)

Han¹,

Du²,

Wang³

2007

Zeitschrift Für Kristallographie - New Crystal Structures

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“…Self-assembly processes involving metal ions and organic ligands directed by either metal coordination or hydrogen bonds have attracted much attention in the field of supramolecular chemistry and current coordination chemistry (Batten, et al,1998;Moler, et al, 2001;Moulton, et al, 2001;Kim, et al, 2002;Evans, et al, 2002). The use of rigid or flexible spacer ligands is of considerable interests in recent years owing to their potential as building blocks for supramolecular assemblies (Sauvage, et al,1995;Fujita, et al, 2001;Aromí, et al, 2006) and their ability to act as optical sensors and heterogeneous catalysts (Yoo, et al, 2003;Takizawa, et al, 2003;Hong, et al, 2004;Kitagawa, et al, 2004;Hong, et al, 2005;Han, et al, 2006). In our attempt to investigate the design and control of the self-assembly of coordination polymers with the rigid bridging ligands, we have employed Cd II to develop a new polymeric complex with the ligand 1,2-bis(4-pyridyl)ethene.…”

Section: Methodsmentioning

confidence: 99%

“…For supramolecular assemblies, see: Sauvage & Hosseini (1995); Fujita et al (2001); Aromí et al (2006). For optical sensors and heterogeneous catalysts, see: Yoo et al (2003); Takizawa et al (2003); Hong et al (2004); Kitagawa et al (2004); Hong et al (2005); Han et al (2006).…”

Section: Related Literaturementioning

confidence: 99%

Poly[[bis[μ-1,2-bis(4-pyridyl)ethene]bis(trichloroacetato)cadmium(II)] monohydrate]

Kim

2010

Acta Cryst E

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Key indicators: single-crystal X-ray study; T = 293 K; mean (C-C) = 0.006 Å; R factor = 0.032; wR factor = 0.085; data-to-parameter ratio = 15.3.In the crystal structure of the title compound, {[Cd(C 2 Cl 3 O 2 ) 2 -(C 12 H 10 N 2 ) 2 ]ÁH 2 O} n , the Cd II ion lies on a twofold rotation axis and 1,2-bis(4-pyridyl)ethene ligands bridge symmetryrelated Cd II ions, forming a two-dimensional structure. Two trichloroacetate ligands complete the coordination around the Cd II ion, forming a distorted octahedral environment. In the crystal, solvent water molecules, which also lie on twofold rotation axes, form intermolecular O-HÁ Á ÁO hydrogen bonds, which connect the two-dimensional structure into a three-dimensional network. The crystal studied was an inversion twin, the refined ratio of twin components being 0.75 (4):0.25 (4). Related literature

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“…The TON for the selective oxidation of 1-octanol to 1-octanal reached to 46 with 99% selectivity. Hou and coworkers reported in 2006 an iron coordination polymer {[Fe(fcz) 2 Cl 2 ]·2CH 3 OH} n with fcz ¼ 1-(2,4-difluorophenyl)-1,1-bis[(1H-1,2,4-triazol-l-yl)methyl]ethanol which catalyzed the oxidation of benzyl alcohol to benzaldehyde with hydrogen peroxide as oxidant in 87% yield and up to 100% selectivity [149]. An alternative approach is based on the use of heteropoly acids, whereby the incorporation of vanadium and iron into a molybdophosphoric acid catalyst led to high yields for the oxidation of various alcohols (up to 94%) with molecular oxygen [150].…”

Section: % Yield 35mentioning

confidence: 99%

Fe-Catalyzed Oxidation Reactions of Olefins, Alkanes, and Alcohols: Involvement of Oxo- and Peroxo Complexes

et al. 2010

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Fe(Cu)‐Containing Coordination Polymers: Syntheses, Crystal Structures, and Applications as Benzyl Alcohol Oxidation Catalysts

Cited by 154 publications

References 38 publications

Crystal structure of triaquapotassium 3-carboxy-4-hydroxybenzenesulfonate, K(H2O)3(C7H5SO6)

Crystal structure of triaquapotassium 3-carboxy-4-hydroxybenzenesulfonate, K(H2O)3(C7H5SO6)

Poly[[bis[μ-1,2-bis(4-pyridyl)ethene]bis(trichloroacetato)cadmium(II)] monohydrate]

Fe-Catalyzed Oxidation Reactions of Olefins, Alkanes, and Alcohols: Involvement of Oxo- and Peroxo Complexes

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