A novel protocol for selective construction of morpholin-2-one and morpholin-3-one heterocycles from aminoethanol with divinyl fumarate.

[摘要]：A simple and efficient method for selective construction of 2- and 3-morpholinones was developed from N-substituted aminoethanols and divinyl fumarate. The selectivity of this catalyst-free reaction was easily controlled by different solvents.

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