Reactivity of n-aryl-α, α-dichlorinated arylketimines
作者:Norbert De Kimpe、Roland Verhé、Laurent De Buyck、Sunari Tukiman、Niceas Schamp
DOI:10.1016/0040-4020(79)80096-4
日期:1979.1
α-dichloroalkylarylketimines are formed from N-aryl-alkylarylketimines with N-chloro succinimide in carbon tetrachloride. Reaction of N-1-(2,2-dichlor-1-arylpropylidene)anilines with sodiummethoxide the latter compounds formally involves migration of the notrogen atom from the 1- to the 3-position. The reaction of higher substituted N-aryl-α,α-dichloroalkylarylketimines with sodiummethoxide leads mainly to α-chloro-α
The conjugate addition of higher-order organocuprates to α-methoxyenones
作者:John A. Soderquist、Izander Rosado
DOI:10.1016/0040-4039(91)80009-u
日期:1991.1
The conjugate addition of higher-order organocuprates (Lipshutz reagents) at low temperature (−78°C) to α-methoxyenones (4) provides the corresponding β-substituted α-methoxy ketones (5) in 74-90% isolated yields.
Selective Synthesis of α‐Alkoxy Enones by α‐Addition of Alcohols to Alkynones Using 1,1,1,3,3,3‐Hexafluoroisopropanol and PPh
<sub>3</sub>
as Co‐catalysts
作者:Xiu‐Ming Li、Jing‐Kui Yang
DOI:10.1002/ejoc.202201163
日期:2022.12.19
The α-addition of alcohols to alkynones was demonstrated. A series of α-alkoxy enones can directly be synthesized in moderate to high yields under mild conditions. Mechanism studies were carried out by various means.