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Synthesis and Characterization of Mononuclear Titanium Complexes Containing a Bis(phenoxy) Ligand Derived from 2,2′-Methylene-bis(6-tert-butyl-4-methylphenol)

✍ Scribed by Okuda, Jun ;Fokken, Stefan ;Kang, Hak-Chul ;Massa, Werner

Publisher
Wiley (John Wiley & Sons)
Year
1995
Tongue
English
Weight
761 KB
Volume
128
Category
Article
ISSN
0009-2940

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✦ Synopsis

Titanium complexes I Bidentate phenoxy ligands I Bulky phenols I Lewis acidity I Pentacoordination A series of new titanium complexes of the general type Ti(mbmp)X2 (X = Br, I; OMe, OiPr, OtBu), containing a bidentate bis(phenoxy) ligand derived from 2,2'-methylenebis(6-tert-butyl-4-methylphenol) (mbmpH2), was prepared. The 'H-chemical shifts for the protons of the methylene link were found to vary considerably as a function of the ligand X. Reaction of Ti(OiPr)4 with two equivalents of mbmpH2 gave the C2-symmetric spiro-titanate complex Ti(mbmp)2.

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