Synthesis of 5-hydroxy hydantoins via a tandem process
2016
Meza-León, Rosa Luisa | Bernès, Sylvain | Cortés-López, Guadalupe Nallely | Mastranzo, Virginia M. | Sosa-Rivadeneyra, Martha | Sartillo-Piscil, Fernando
An efficient entry to 5-hydroxyhydantoin derivatives is reported. The reaction of α-ketoacids with commercially available carbodiimides under mild conditions, and in the presence of visible light, induces the rearrangement of an O-acyl urea, and eventually leads to hydantoins in good yields. Because of economy of atoms, this tandem process can be considered as a green procedure.
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