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Article: Supramolecular assembly of a new series of copper-l-arginine Schiff bases

TitleSupramolecular assembly of a new series of copper-l-arginine Schiff bases
Authors
Issue Date2011
Citation
CrystEngComm, 2011, v. 13, n. 6, p. 2114-2122 How to Cite?
AbstractA 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 Identifierhttp://hdl.handle.net/10722/237594
ISSN
2017 Impact Factor: 3.304
2015 SCImago Journal Rankings: 1.096
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorNew, Siu Yee-
dc.contributor.authorThio, Yude-
dc.contributor.authorKoh, Lip Lin-
dc.contributor.authorAndy Hor, T. S.-
dc.contributor.authorXue, Feng-
dc.date.accessioned2017-01-16T06:10:02Z-
dc.date.available2017-01-16T06:10:02Z-
dc.date.issued2011-
dc.identifier.citationCrystEngComm, 2011, v. 13, n. 6, p. 2114-2122-
dc.identifier.issn1466-8033-
dc.identifier.urihttp://hdl.handle.net/10722/237594-
dc.description.abstractA 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.languageeng-
dc.relation.ispartofCrystEngComm-
dc.titleSupramolecular assembly of a new series of copper-l-arginine Schiff bases-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1039/c0ce00444h-
dc.identifier.scopuseid_2-s2.0-79952121321-
dc.identifier.volume13-
dc.identifier.issue6-
dc.identifier.spage2114-
dc.identifier.epage2122-
dc.identifier.eissn1466-8033-
dc.identifier.isiWOS:000287923800058-

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