Chiral Diphenylprolinol TES Ether Promoted Conjugate Addition−Aldol-Dehydration Reactions between α,β-Unsaturated Aldehydes and 2-N-Protected Amino Benzaldehydes
journal contributionposted on 15.03.2007 by Hao Li, Jian Wang, Hexin Xie, Liansuo Zu, Wei Jiang, Eileen N. Duesler, Wei Wang
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A conjugate addition−aldol-dehydration reaction of α,β-unsaturated aldehydes with 2-N-protected amino benzaldehydes has been developed. The process is promoted by (S)-diphenylprolinol TES ether to afford synthetically useful 1,2-dihydroquinolines in high enantioselectivities with good yields.