Enantioselective Pinacol Coupling of Aromatic Aldehydes Mediated by TiCl4(THF)2/Zn with Tartaric Ester
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摘要:
Asymmetric pinacol coupling of aromatic aldehydes mediated by low valent titanium complexes of chiral ligands derived from natural tartaric acid provided corresponding pinacols in good yields with excellent diastereoselectivities and moderate enantioselectivities.