Application of 497-25-6, Because a catalyst decreases the height of the energy barrier, its presence increases the reaction rates of both the forward and the reverse reactions by the same amount.497-25-6, Name is Oxazolidin-2-one, molecular formula is C3H5NO2. In a article，once mentioned of 497-25-6
Configurational stability of chiral, nonconjugated nitrogen-substituted organolithium compounds generated by tin-lithium exchange of N-[(1-Tri-n-butylstannyl)alkyl]imidazolidin-2-ones and -oxazolidin-2-ones
Chiral, nonracemic, nonconjugated, acyclic nitrogen-substituted organolithium compounds were generated in order to study the configurational stability of such species. The organolithium compounds were generated by tin-lithium exchange on N-[(1-tri-n-butylstannyl)alkyl]imidazolidin-2-ones and N-[(1-tri-n-butylstannyl)alkyl]-oxazolidin-2-ones. Varying degrees of epimerization were observed, depending on the structure of the heterocycle and the reaction conditions. When the nitrogen was part of an imidazolidinone ring, the epimerization was sufficiently slow to be observed at low temperature, thus allowing the configurational stability of nonconjugated, acyclic nitrogen-substituted organolithium compounds to be evaluated for the first time. Addition of the coordinating solvent TMEDA caused a much more rapid epimerization. When the nitrogen was part of an oxazolidinone ring, the rate of epimerization was too fast to observe, even at low temperature. Reaction of these species with electrophiles such as DCl, Bu3SnCl, aldehydes, and ketones proceeded with retention of configuration. A novel method for the synthesis of the chiral stannanes was developed. Condensation of carbamates (cyclic and acyclic) or imidazolidin-2-ones with sodium p-toluenesulfinate, an aldehyde, and formic acid produced N-sulfonylalkylated materials (the Engberts method), which were treated with tri-n-butylstannyl anions to give N-[(1-tri-n-butylstannyl)alkyl]carbamates, -oxazolidin-2-ones, and -imidazolidin-2-ones. When chiral imidazolidin-2-ones were used in the sulfonylalkylation reaction, a single diastereomeric sulfone was produced. Displacement of the sulfone with (tri-n-butylstannyl)lithium proceeded with complete retention of stereochemistry. Evidence for the formation and stereoselective reaction of a nitrogen-substituted radical intermediate was obtained.
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Reference：
Oxazolidine – Wikipedia,
Oxazolidine | C3H887NO – PubChem