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- Title
Synthesis and characterization of two bis(η5-methylcyclopentadienyl)hydroxynaphthoatotitanium complexes.
- Authors
Li, Jin-Ling; Gao, Zi-Wei; Gao, Ling-Xiang; Zhang, Cai-Yun; Liu, Zhao-Tie; Tikkanen, Wayne
- Abstract
Based on the reaction of bis(η5-methylcyclopentadienyl) dichlorotitanium ( [image omitted], Cp' = η5-C5H4Me) with 3-hydroxy-2-naphthoic acid (HNA-1) and 1-hydroxy-2-naphthoic acid (HNA-2), in the presence of β-cyclodextrin polymer (βCDP) as a catalyst, two titanocene complexes: bis(η5-methylcyclopentadienyl) 3-hydroxy-2-naphthoatotitanium (1) and bis(η5-methylcyclopentadienyl)1-hydroxy-2-naphthoatotitanium (2), were synthesized and characterized by elemental analysis, IR and 1H NMR spectra. X-ray diffraction analysis of 1 and 2 show mononuclear TiIV and indicate that the geometries at titanium are distorted tetrahedra with coordination number four. Both complexes exhibit 3-D frameworks constructed through H-bonding and C-H ··· π interactions. There are no π-π stacking interactions between the naphthyl rings and cyclopentadienyl rings of 1, while there are three types of π-π interactions in the structure of 2, owing to their different hydroxyl position in naphthalene rings.
- Subjects
CRYSTALS; X-ray diffraction; X-ray diffractometers; NAPHTHYLAMINES; HYDROXYLAMINE; GEOMETRY
- Publication
Journal of Coordination Chemistry, 2009, Vol 62, Issue 10, p1594
- ISSN
0095-8972
- Publication type
Academic Journal
- DOI
10.1080/00958970802663100