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Article: Supramolecular assembly of a new series of copper-l-arginine Schiff bases
Title | Supramolecular assembly of a new series of copper-l-arginine Schiff bases |
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Authors | |
Issue Date | 2011 |
Citation | CrystEngComm, 2011, v. 13, n. 6, p. 2114-2122 How to Cite? |
Abstract | A series of copper-l-arginine complexes has been synthesized and characterized by spectroscopic and single-crystal X-ray diffraction analyses. The l-arginine Schiff bases invariably show [ONO] tridentate coordination on a mononuclear Cu(ii) sphere. [Cu(RNap)(OAc)]·2H2O, 1 (RNap = N-(2-hydroxy-1-naphthalidene) l-arginine), obtained from Cu(OAc) 2·2H2O and HRNap, gives two stereochemically different molecules in the crystal unit cell, with each of them showing different acetate binding modes. It exhibits a channel structure with disordered water molecules filling the cavity. Complexation of N-(2-hydroxy-5-nitro-1- salicylidene) l-arginine (HRNO2) with Cu(ClO4) 2·6H2O yields the intriguing triclinic crystal structure of 2. Its unit cell consists of a neutral molecule [Cu(RNO 2)Cl(H2O)], an ion pair [Cu(RNO2)(H 2O)2]ClO4 and three water molecules of crystallization. Complexation of HRMe (RMe = N-(2-hydroxy-5-methyl-1- salicylidene) with Cu(OAc)2·2H2O gives [Cu(RMe)(OAc)]·5H2O, 3, whose crystal packing shows a zeolite-like network with a water cluster residing in the hydrophilic channel, thus facilitating the hydrogen bonding interaction. © 2011 The Royal Society of Chemistry. |
Persistent Identifier | http://hdl.handle.net/10722/237594 |
ISSN | 2023 Impact Factor: 2.6 2023 SCImago Journal Rankings: 0.535 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | New, Siu Yee | - |
dc.contributor.author | Thio, Yude | - |
dc.contributor.author | Koh, Lip Lin | - |
dc.contributor.author | Andy Hor, T. S. | - |
dc.contributor.author | Xue, Feng | - |
dc.date.accessioned | 2017-01-16T06:10:02Z | - |
dc.date.available | 2017-01-16T06:10:02Z | - |
dc.date.issued | 2011 | - |
dc.identifier.citation | CrystEngComm, 2011, v. 13, n. 6, p. 2114-2122 | - |
dc.identifier.issn | 1466-8033 | - |
dc.identifier.uri | http://hdl.handle.net/10722/237594 | - |
dc.description.abstract | A series of copper-l-arginine complexes has been synthesized and characterized by spectroscopic and single-crystal X-ray diffraction analyses. The l-arginine Schiff bases invariably show [ONO] tridentate coordination on a mononuclear Cu(ii) sphere. [Cu(RNap)(OAc)]·2H2O, 1 (RNap = N-(2-hydroxy-1-naphthalidene) l-arginine), obtained from Cu(OAc) 2·2H2O and HRNap, gives two stereochemically different molecules in the crystal unit cell, with each of them showing different acetate binding modes. It exhibits a channel structure with disordered water molecules filling the cavity. Complexation of N-(2-hydroxy-5-nitro-1- salicylidene) l-arginine (HRNO2) with Cu(ClO4) 2·6H2O yields the intriguing triclinic crystal structure of 2. Its unit cell consists of a neutral molecule [Cu(RNO 2)Cl(H2O)], an ion pair [Cu(RNO2)(H 2O)2]ClO4 and three water molecules of crystallization. Complexation of HRMe (RMe = N-(2-hydroxy-5-methyl-1- salicylidene) with Cu(OAc)2·2H2O gives [Cu(RMe)(OAc)]·5H2O, 3, whose crystal packing shows a zeolite-like network with a water cluster residing in the hydrophilic channel, thus facilitating the hydrogen bonding interaction. © 2011 The Royal Society of Chemistry. | - |
dc.language | eng | - |
dc.relation.ispartof | CrystEngComm | - |
dc.title | Supramolecular assembly of a new series of copper-l-arginine Schiff bases | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1039/c0ce00444h | - |
dc.identifier.scopus | eid_2-s2.0-79952121321 | - |
dc.identifier.volume | 13 | - |
dc.identifier.issue | 6 | - |
dc.identifier.spage | 2114 | - |
dc.identifier.epage | 2122 | - |
dc.identifier.eissn | 1466-8033 | - |
dc.identifier.isi | WOS:000287923800058 | - |
dc.identifier.issnl | 1466-8033 | - |