A novel trinuclear titanium(IV) complex with a C3 axis along Ti1-Ti2-Ti3 containing 3-[(1H-1,2,4-triazol-1-yl)methyl]-BINOLate ligands: synthesis, structure, and reactivity

Bing Liu, Fu Yong Jiang, Hai Bin Song, Jin Shan Li

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Abstract

A new modified BINOL, (S)-3-[(1H-1,2,4-triazol-1-yl)methyl]-1,1′-binaphthol, was prepared. In the presence of titanium tetraisopropoxide, this ligand showed moderate catalytic properties for the asymmetric addition of diethylzinc to aldehydes. By treating rac-3-[(1H-1,2,4-triazol-1-yl)methyl]-1,1′-binaphthol with excess titanium tetraisopropoxide, a novel trinuclear titanium(IV) complex was obtained. A C3 axis along Ti1-Ti2-Ti3 is present in the molecule.

Original languageEnglish
Pages (from-to)2149-2153
Number of pages5
JournalTetrahedron Asymmetry
Volume17
Issue number14
DOIs
StatePublished - 28 Aug 2006
Externally publishedYes

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