Enantioselective Addition of Diethylzinc to Aldehydes by Chiral Oxazolidine–Titanium Complex
摘要：
A series of chiral oxazolidines derived from (1R, 2S)-cis-1-amino-2-indanol was found to be effective in promoting the asymmetric addition of diethylzinc to aldehydes. Among the ligands developed, it was found that ligand 1b in the presence of Ti(OiPr)4 yielded the highest enantioselectivities when it was applied in the catalytic asymmetric addition of diethylzinc to aldehydes (up to 91% ee).
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关键词：
Asymmetric alkynylation enantioselectivity oxazolidine secondary alcohol Chiral dialkylzinc reagent schlenk tube organic layer UV detection Aldrich chelating group
DOI：
10.2174/157017812803521180
年份：
2013
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