Novel highly modular C<sub>2</sub>-symmetric oxazoline ligands—application in titanium-catalyzed diethylzinc additions to aldehydes.
摘要：
Novel C<sub>2</sub>-symmetric tetradentate bis-oxazoline ligands were efficiently prepared from α-amino acids, 1,2-amino alcohols and 1,2- or 1,3-diacids. The ligands were employed in the titanium-catalyzed addition of diethylzinc to benzaldehyde, and depending on conditions used, moderate to high enantioselectivities of the formed 1-phenylpropanol were obtained.[Copyright &y& Elsevier]
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年份：
2002
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