Please use this identifier to cite or link to this item: https://doi.org/10.1039/c0ce00986e
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dc.titleLipid-bilayer-mimicking solid-state structures of Cu(ii) and Ni(ii) with l-tryptophan and l-tyrosine Schiff base derivatives
dc.contributor.authorNew, S.Y.
dc.contributor.authorWu, X.
dc.contributor.authorBai, S.-Q.
dc.contributor.authorKoh, L.L.
dc.contributor.authorHor, T.S.A.
dc.contributor.authorXue, F.
dc.date.accessioned2014-10-16T08:32:49Z
dc.date.available2014-10-16T08:32:49Z
dc.date.issued2011-06-21
dc.identifier.citationNew, S.Y., Wu, X., Bai, S.-Q., Koh, L.L., Hor, T.S.A., Xue, F. (2011-06-21). Lipid-bilayer-mimicking solid-state structures of Cu(ii) and Ni(ii) with l-tryptophan and l-tyrosine Schiff base derivatives. CrystEngComm 13 (12) : 4228-4235. ScholarBank@NUS Repository. https://doi.org/10.1039/c0ce00986e
dc.identifier.issn14668033
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/94160
dc.description.abstractNew metal-amino acid Schiff bases resembling lipid bilayers have been isolated and established by single-crystal X-ray crystallography. Hydrogen bonding between the solvate and coordination sphere and aromatic stacking of the Schiff base ligands lead to discrete hydrophilic and hydrophobic regions. [Cu2(WNap)2(H2O)2]·2H 2O, 1 (WNap = N-(2-hydroxy-1-naphthalidene)-l-tryptophan), gives bilayer sheets with width ratio of ca. 3 Å: 5 Å (hydrophilic: hydrophobic). Replacement of Cu2+ by octahedral Ni2+ gives [Ni(WNap)(H2O)2(MeOH)]·H2O, 2, with a slight increase of hydrophilic layer width (by ca. 2 Å). The additional hydroxyl group in [Ni(YNap)(H2O)2(MeOH)]·1.5H 2O, 3 (YNap = N-(2-hydroxy-1-naphthalidene)-l-tyrosine), successfully introduces a separate amphiphilic layer, originated from the hydrogen bond interaction of tyrosine side chain. The coordination environments of 2 and 3 are isostructural whereas 1 is dinuclear with the Cu(ii) metal centers showing different geometries (square planar and square pyramid). © 2011 The Royal Society of Chemistry.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1039/c0ce00986e
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentCHEMISTRY
dc.description.doi10.1039/c0ce00986e
dc.description.sourcetitleCrystEngComm
dc.description.volume13
dc.description.issue12
dc.description.page4228-4235
dc.identifier.isiut000291218500041
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