Results 51 to 60 of about 1,019,081 (92)
, 2008 Efficient, selective: The primary amine salt 1 derived from quinine efficiently catalyzes the highly enantioselective hydroperoxidation of α,β‐unsaturated ketones furnishing stable and isolable cyclic peroxyhemiketals in enantiopure form. The versatility
List, B., Reisinger, C., Wang, X.
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Indium(III)‐catalyzed hydration and hydroalkoxylation of α,β‐unsaturated ketones in aqueous media
, 2018 The hydration of α,β-unsaturated ketones with water proceeded efficiently in the presence of In(OTf)3 (20 mol%) in aqueous media to afford synthetically versatile β-hydroxyketones in moderate to good yields with good functional group compatibility.
Chu, Xue-Qiang +11 more
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Nickel-catalysed conjugate addition of trimethylaluminium to α,β-unsaturated ketones
, 1975 Nickel acetylacetonate brings about the conjugate addition of trimethylaluminium to α,β-unsaturated ketones. The yields of β- methylated ketones range from 30% to quantitative.
EA Jeffery +3 more
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Indium in organic synthesis: convenient synthesis of β,γ-unsaturated ketones
, 1997 A mild and efficient method for the preparation of β,γ unsaturated ketones by a simple reaction on acid chloride with allyl, crotyl, prenyl bromide and indium in DMF is described. A mild and efficient method for the preparation of β,γ unsaturated ketones
Sudershan Reddy, Gondi +3 more
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Highly Enantioselective Transfer Hydrogenation of α,β-Unsaturated Ketones
, 2016 We describe an efficient and highly enantioselective conjugate transfer hydrogenation of α,β-unsaturated ketones that is catalyzed by a salt made from tert-butyl valinate and a recently introduced powerful chiral phosphoric acid catalyst (TRIP)
Benjamin List (1505173) +1 more
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Cp*Co(III)-Catalyzed coupling of benzamides with α,β-unsaturated carbonyl compounds: Preparation of aliphatic ketones and azepinones [PDF]
, 2018 A Cp*Co(III)-catalyzed C-H functionalization of benzamide substrates with α,β-unsaturated ketones has been optimized, providing a facile route towards aliphatic ketone products.
Dirjal, Amir +9 more
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Zinc(II) Catalysed Conjugate Addition of Grignard Reagents to α,β-Unsaturated Ketones [PDF]
, 1989 Zinc(II)-diamine complexes are efficient catalysts for the conjugate additions of Grignard reagents to various α,β-unsaturated ketones.
Jansen, Johan F.G.A. +3 more
core +2 more sources
, 2016 Hydrohalogenation Reaction of 1,2-Allenyl Ketones Revisited.
Shengming Ma (1312428) +2 more
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, 2016 An unusual oxidative palladium-catalyzed rearrangement of diaryl alkenyl carbinols to β,β-diaryl α,β-unsaturated ketones is described. The geometry of the alkene product is not determined by the electronic nature of the aryl substitutents but rather is ...
Arturo Orellana (1470739) +1 more
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Synthesis of α-Oxygenated β,γ-Unsaturated Ketones by a Catalytic Rearrangement Strategy
, 2018 A straightforward two-step entry to α-oxgenated β,γ-unsaturated ketones from readily available α,β-unsaturated ketones is disclosed. It was found that bis(allylic) alcohols undergo a skeletal rearrangement in the presence of 1 mol% of cheap and non ...
Lempenauer, Luisa +3 more
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