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Autor:
Christian Jarry, Jean Guillon, Jean-Michel Léger, Jean-Jacques Bosc, Ouro-Sama Adetchessi, Isabelle Forfar-Bares
Publikováno v:
Tetrahedron. 61:4453-4460
2-Substituted-4a-hydroxy-9H-cycloalkyl[1,2-e]oxazolo[3,2-a]pyrimidin-9-ones 2a–c were synthesized by an one-step cyclocondensation from the 5-substituted-2-amino-2-oxazolines 1a–c with ethyl 2-oxocyclohexanecarboxylate in ethanol at room temperat