The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. 90319-52-1, Name is (R)-4-Phenyloxazolidin-2-one, SMILES is O=C1OC[C@@H](C2=CC=CC=C2)N1, in an article , author is Santos, Hugo, once mentioned of 90319-52-1, Safety of (R)-4-Phenyloxazolidin-2-one.
1,3-Dipolar cycloaddition reactions of phthalic anhydrides with an azomethine ylide
A series of phthalic anhydrides underwent a 1,3-dipolar cycloaddition reaction with N-benzylazomethine ylide, formed in situ from N-(methoxymethyl)-N-(trimethylsilylmethyl) benzylamine and a catalytic amount of trifluoroacetic acid, to produce unstable spiro(isobenzofuran-1,5′-oxazolidin)-3-ones. The spiro-fused oxazolidines were reduced with sodium borohydride to afford 1(3H)-isobenzofuranones, which were generally isolated in moderate to high overall yields.
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Reference:
Oxazolidine – Wikipedia,
,Oxazolidine | C3H7NO – PubChem