Conjugate Addition of Reactive Carbanions to α,β-Unsaturated Ketones in the Presence of ATPH
- 1 January 1994
- journal article
- letter
- Published by Georg Thieme Verlag KG in Synlett
- Vol. 1994 (07) , 519-520
- https://doi.org/10.1055/s-1994-22912
Abstract
Aluminum tris(2,6-diphenylphenoxide) (ATPH) has been successfully utilized for effective blocking of carbonyl moieties, thereby allowing the conjugate addition of organolithium reagents to α,β-unsaturated ketones. In particular, conjugate addition of lithium alkynides and thermally unstable lithium carbenoids, which are very difficult to achieve in organocopper chemistry, are realized with α,β-unsaturated ketone/ATPH complexes.Keywords
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