A Novel Entry to 3,4,5-Trisubstituted 2-Pyrrolidones from Isoxazoline-N-oxides
2018
A novel strategy for the synthesis of stereochemically defined 3,4,5-trisubstituted 2-pyrrolidones was developed. The suggested approach involves reductive domino-type recyclization of 3-aminomethyl-substituted isoxazolines as a key stage. The latter are prepared via α-C–H functionalization of readily available isoxazoline- N -oxides.
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