Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5279590 | Tetrahedron Letters | 2006 | 5 Pages |
Abstract
Double asymmetric induction in Michael reactions has been studied. Enantioselective alkylation of a cyclic ketone (1-indanone) with α-phenyl-nor-gramine was carried out. The relative configuration of (2S∗)-2-[(R∗)-1H-indol-3-yl(phenyl)methyl]-2,3-dihydro-1H-inden-1-one was established by X-ray diffraction. The relative configuration of (R∗,R∗,S∗)- and (S∗,R∗,S∗)-2-1H-indol-3-yl(phenyl)methyl]-2,3-dihydro-1H-inden-1-ols was established by 1H NMR studies.
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