X=Y-ZH Systems As Potential 1,3-Dipoles. Part 33. Generation Of Nitrones From Oximes. Tandem Michael Addition-1,3-Dipolar Cycloaddition Reactions. Class 2 Processes In Which The Dipolarophile Is Located Within The Oxime.
C-3, -4, -5, and -6-Alkenyl oximes react with electronegative olefins at the nitrogen atom via a Michael addition or ene-type process to generate the corresponding C-alkenyl nitrones which undergo an intramolecular cycloaddition.The cycloaddition can occu
Armstrong, Paul,Grigg, Ronald,Heaney, Frances,Surendrakumar, Sivagnanasundram,Warnock, William J.
p. 4495 - 4518
(2007/10/02)
Cycloaddition Reactions of Oximes; Powerful New Carbon-Carbon Bond Forming Methodology
Oximes react with Michael acceptors and dipolarophiles, usually regio- and stereo-specifically, via a tandem Michael addition-1,3-dipolar cycloaddition process, to give isoxazolidines in good yield; analysis of the tandem process identifies four broad syn
Armstrong, Paul,Grigg, Ronald,Warnock, William J.
p. 1325 - 1327
(2007/10/02)
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