Anion Coordination of Bis-bisurea Ligands: Aggregation of Dihydrogen Phosphate Anion into Oligomers and Infinite Chains

Biao Wu; Cuirong Huo; Shaoguang Li; Yanxia Zhao; Xiao Juan Yang

doi:10.1002/zaac.201500243

Anion Coordination of Bis-bisurea Ligands: Aggregation of Dihydrogen Phosphate Anion into Oligomers and Infinite Chains

Biao Wu, Cuirong Huo, Shaoguang Li, Yanxia Zhao, Xiao Juan Yang

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摘要

A series of alkanediyl-spaced bis-bisurea ligands (L²-L⁴) were synthesized and their anion coordination behavior studied. These ligands form interesting complexes with polymeric and oligomeric dihydrogen phosphate aggregates in the solid state. The ligands L² and L³ coordinate with H₂PO₄^- anions to form a unique molecular "necklace" with an infinite (H₂PO₄^-)_n chain and surrounding ligand molecules. Meanwhile, two different dihydrogen phosphate-water oligomers, (H₂PO₄)₆·(H₂O)₄ and (H₂PO₄)₄·(H₂O)₂, were observed in the complexes with the ligands L³ and L⁴. In addition, solution anion binding properties of the ligands were studied by ¹H NMR and UV/Vis spectroscopy.

源语言	英语
页（从-至）	1786-1791
页数	6
期刊	Zeitschrift fur Anorganische und Allgemeine Chemie
卷	641
期	10
DOI	https://doi.org/10.1002/zaac.201500243
出版状态	已出版 - 1 8月 2015
已对外发布	是

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title = "Anion Coordination of Bis-bisurea Ligands: Aggregation of Dihydrogen Phosphate Anion into Oligomers and Infinite Chains",

abstract = "A series of alkanediyl-spaced bis-bisurea ligands (L2-L4) were synthesized and their anion coordination behavior studied. These ligands form interesting complexes with polymeric and oligomeric dihydrogen phosphate aggregates in the solid state. The ligands L2 and L3 coordinate with H2PO4- anions to form a unique molecular {"}necklace{"} with an infinite (H2PO4-)n chain and surrounding ligand molecules. Meanwhile, two different dihydrogen phosphate-water oligomers, (H2PO4)6·(H2O)4 and (H2PO4)4·(H2O)2, were observed in the complexes with the ligands L3 and L4. In addition, solution anion binding properties of the ligands were studied by 1H NMR and UV/Vis spectroscopy.",

keywords = "Anion clusters, Anion coordination, Dihydrogen phosphate, NMR spectroscopy, Oligourea, UV/Vis spectroscopy",

author = "Biao Wu and Cuirong Huo and Shaoguang Li and Yanxia Zhao and Yang, {Xiao Juan}",

note = "Publisher Copyright: {\textcopyright} 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.",

year = "2015",

month = aug,

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doi = "10.1002/zaac.201500243",

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TY - JOUR

T1 - Anion Coordination of Bis-bisurea Ligands

T2 - Aggregation of Dihydrogen Phosphate Anion into Oligomers and Infinite Chains

AU - Wu, Biao

AU - Huo, Cuirong

AU - Li, Shaoguang

AU - Zhao, Yanxia

AU - Yang, Xiao Juan

PY - 2015/8/1

Y1 - 2015/8/1

N2 - A series of alkanediyl-spaced bis-bisurea ligands (L2-L4) were synthesized and their anion coordination behavior studied. These ligands form interesting complexes with polymeric and oligomeric dihydrogen phosphate aggregates in the solid state. The ligands L2 and L3 coordinate with H2PO4- anions to form a unique molecular "necklace" with an infinite (H2PO4-)n chain and surrounding ligand molecules. Meanwhile, two different dihydrogen phosphate-water oligomers, (H2PO4)6·(H2O)4 and (H2PO4)4·(H2O)2, were observed in the complexes with the ligands L3 and L4. In addition, solution anion binding properties of the ligands were studied by 1H NMR and UV/Vis spectroscopy.

AB - A series of alkanediyl-spaced bis-bisurea ligands (L2-L4) were synthesized and their anion coordination behavior studied. These ligands form interesting complexes with polymeric and oligomeric dihydrogen phosphate aggregates in the solid state. The ligands L2 and L3 coordinate with H2PO4- anions to form a unique molecular "necklace" with an infinite (H2PO4-)n chain and surrounding ligand molecules. Meanwhile, two different dihydrogen phosphate-water oligomers, (H2PO4)6·(H2O)4 and (H2PO4)4·(H2O)2, were observed in the complexes with the ligands L3 and L4. In addition, solution anion binding properties of the ligands were studied by 1H NMR and UV/Vis spectroscopy.

KW - Anion clusters

KW - Anion coordination

KW - Dihydrogen phosphate

KW - NMR spectroscopy

KW - Oligourea

KW - UV/Vis spectroscopy

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U2 - 10.1002/zaac.201500243

DO - 10.1002/zaac.201500243

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SN - 0044-2313

VL - 641

SP - 1786

EP - 1791

JO - Zeitschrift fur Anorganische und Allgemeine Chemie

JF - Zeitschrift fur Anorganische und Allgemeine Chemie

IS - 10

ER -

Anion Coordination of Bis-bisurea Ligands: Aggregation of Dihydrogen Phosphate Anion into Oligomers and Infinite Chains

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