Synthesis and Characterization of Titanium Complexes Containing Potentially Tridentate Amido‐cyclopentadienyl Ligands | Zendy

Okuda Jun | Zendy; Du Plooy Karen E. | Zendy; Massa Werner | Zendy; Kang Hakchul | Zendy; Rose Ulrich | Zendy

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Synthesis and Characterization of Titanium Complexes Containing Potentially Tridentate Amido‐cyclopentadienyl Ligands

Author(s) -

Okuda Jun,

Du Plooy Karen E.,

Massa Werner,

Kang Hakchul,

Rose Ulrich

Publication year - 1996

Publication title -

chemische berichte

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.667

H-Index - 136

eISSN - 1099-0682

pISSN - 0009-2940

DOI - 10.1002/cber.19961290305

Subject(s) - chemistry , cyclopentadienyl complex , ligand (biochemistry) , denticity , amide , ethylene , lithium (medication) , stereochemistry , lithium amide , crystal structure , titanium , medicinal chemistry , crystallography , organic chemistry , catalysis , medicine , biochemistry , receptor , enantioselective synthesis , endocrinology

Two new titanium complexes of the general type Ti(η 5 :η 1 ‐C 5 H 4 SiMe 2 NCH 2 CH 2 X)Cl 2 (X = NMe 2 OMe), containing a tridentate ligand, were prepared by reaction of Ti(η 5 ‐C 5 H 4 SiMe 2 Cl)Cl 3 with the lithium amide Li(NHCH 2 CH 2 X) (X = NMe 2 , OMe). The 1 HNMR chemical shifts for the protons of the ethylene link were found to vary considerably as a function of the temperature, indicating the presence of an equilibrium between the tri‐ and bidentate bonding mode of the ligand. A single‐crystal X‐ray structural analysis of Ti(η 5 :η 1 C 5 H 4 SiMe 2 NCH 2 CH 2 OMe)Cl 2 revealed that the methoxy function is not intramolecularly coordinated in the solid state.

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