Tetrahedron Letters p. 3147 - 3150 (1992)
Update date:2022-08-05
Topics:
Kimura
Sugiyama
Ishizuka
Kunieda
β-Aminoalcohols sterically constrained by a dibenzobicyclo[2.2.2] ring system serve well as chiral catalysts in highly enantioselective additions of diethylzinc to aldehydes (up to 98% e.e.). A dramatic reversal of the enantioselectivity is observed when
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(1993)