Fig. 2: Catalytic synthesis of C3-substituted morpholines/morpholin-2-ones. | Communications Chemistry

Fig. 2: Catalytic synthesis of C3-substituted morpholines/morpholin-2-ones.

From: Zinc chloride-catalyzed cyclizative 1,2-rearrangement enables facile access to morpholinones bearing aza-quaternary carbons

Fig. 2

A In(III)-catalyzed synthesis of morpholine containing an aza-quaternary center by Carreira. B Aza-benzilic ester rearrangement for the construction of aza-tertiary center of morpholinone. C Construction of morpholinone bearing aza-quaternary center by ZnCl2 catalysis (this work).

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