TADDOLate complexes of zinc

TADDOL (alpha,alpha,alpha',alpha'-Tetraaryl-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol) and its derivatives have been used as a chiral auxiliary in a huge number of enantioselective syntheses mediated by transition metals. Herein we report for the first time on the synthesis and structural...

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Published inDalton transactions : an international journal of inorganic chemistry no. 13; pp. 1761 - 1764
Main Authors Datta, Simmi, Gamer, Michael T, Roesky, Peter W
Format Journal Article
LanguageEnglish
Published England 07.04.2008
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Summary:TADDOL (alpha,alpha,alpha',alpha'-Tetraaryl-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol) and its derivatives have been used as a chiral auxiliary in a huge number of enantioselective syntheses mediated by transition metals. Herein we report for the first time on the synthesis and structural characterization of Zn-TADDOLate complexes. The homo trinuclear zinc complex, [Me2Zn3{(S,S)-TADDOLate}2(THF)2], was obtained by reaction of TADDOL with dimethylzinc, whereas the hetero trinuclear complex, [Li2Zn{(S,S)-TADDOLate}2(THF)2], was synthesized from dilithium TADDOLate with zinc dichloride. Both structures reveal a non-linear trimetallic M...Zn...M setup, which is surrounded by two TADDOLate ligands.
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ISSN:1477-9226
1477-9234
DOI:10.1039/b715123c