Chemistry is traditionally divided into organic and inorganic chemistry. Quality Control of Oxazolidin-2-one, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 497-25-6
Br°nsted Acid-Catalyzed Cyclization of beta-Amino-1,4-enols to Oxazol-2(3H)-ones and 5-Alkenyloxazolidin-2-ones
A synthetic method to prepare oxazol-2(3H)-ones and 5-alkenyloxazolidin-2-ones efficiently that relies on a Br°nsted acid-catalyzed cyclization of the respective secondary and tertiary beta-amino-1,4-enols in ethanol is described. The reaction did not require the exclusion of air or moisture.
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Reference：
Oxazolidine – Wikipedia,
Oxazolidine | C3H1209NO – PubChem