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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
15
pubmed:dateCreated
2008-7-25
pubmed:abstractText
Ethylene-bridged bis(hydroxylamino-1,3,5-triazine) compounds, that may serve as tetradentate ligands, were synthesized in three steps from 2,4,6-trichloro-1,3,5-triazine. These compounds demonstrate different rotation restrictions around the C(Ar)-N bonds due to their distinctive electronic structure as apparent from their resonative contributors. A dinuclear complex Ti 2(mu-L)2(OiPr)4 (L = bis(triazine)) was synthesized where each octahedral Ti(IV) center is also bound to two isopropoxo groups. The complex rigidity is manifested in a significant deviation from planarity of the aromatic systems, and relatively long Ti-N bonds compared to mononuclear analogous complexes. Increased ligand lability in this complex brings about diminished cytotoxicity toward colon and ovarian cells.
pubmed:language
eng
pubmed:journal
pubmed:status
PubMed-not-MEDLINE
pubmed:month
Aug
pubmed:issn
1520-6904
pubmed:author
pubmed:issnType
Electronic
pubmed:day
1
pubmed:volume
73
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
5953-8
pubmed:year
2008
pubmed:articleTitle
Synthesis and conformational analysis of constrained ethylene-bridged bis(hydroxylamino-1,3,5-triazine) compounds as tetradentate ligands; structure of rigid dinuclear Ti(IV) complex.
pubmed:affiliation
Institute of Chemistry, The Hebrew University of Jerusalem, 91904 Jerusalem, Israel.
pubmed:publicationType
Journal Article