In heterogeneous catalysis, the catalyst is in a different phase from the reactants. Formula: C3H5NO2, At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 497-25-6, name is Oxazolidin-2-one. In an article，Which mentioned a new discovery about 497-25-6
Intramolecular nucleophilic acyl substitution reactions involving a broad range of halo substituted carboxylic acid derivatives have been accomplished in excellent yield employing samarium(II) iodide as the reductive coupling agent.Although particular substrates cyclized most effectively in THF in the presence of tripiperidinophosphine oxide, carboxylic acid esters, the focus of this report, cyclize equally well without such an additive in the presence of a catalytic quantity of iron(III) complexes.Thus a comprehensive series of halo substituted esters were cyclized in excellent yield to the corresponding 4-, 5-, and 6 -membered carbocycles.The reaction is extremely mild and selective as demonstrated by experiments wherein alkyl chlorides, acetals, and olefins remain completely intact under the reaction conditions.In addition to introducing a convenient procedure for preparing stereodefined spirocyclic systems, a new ring expansion sequence has been developed that appears extremely general for the preparation of various ring systems.
I hope this article can help some friends in scientific research. I am very proud of our efforts over the past few months and hope to 497-25-6, help many people in the next few years.Formula: C3H5NO2
Reference：
Oxazolidine – Wikipedia,
Oxazolidine | C3H828NO – PubChem