Diastereoisomerically selective enantiomerically pure titanium complexes of Salan ligands: synthesis, structure, and preliminary activity studies |
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Authors: | Yeori Adi Groysman Stanislav Goldberg Israel Kol Moshe |
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Institution: | School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv 69978, Israel. |
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Abstract: | The degree of diastereoselectivity in the wrapping of four new chiral Salan ligands to form chiral-at-metal titanium complexes ranged from mild to perfect as a function of the ligands' N substituents; the enantiomerically pure complexes catalyzed the addition of diethyl zinc to benzaldehyde in 73-76% enantiomeric excess. |
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