What people are saying - Write a review
We haven't found any reviews in the usual places.
Alkylation of the Oxazolidinedione ring
Some supplementary remarks on the Oalkylation
The action of alkali on substituted oxazolidinediones24
3 other sections not shown
3-ethyl-5,5-dimethyl-oxazolidinedione-2,4 5,5-dimethyl-oxazolidine a-hydroxy-esters Aboensis Math alkali alkylation Analysis anhydrous toluene anilide aqueous Aspelund benzene Boiling point Calculated for C.H.O.N. carbamylo carbamylo-3-hydroxy-acid carbamylo-3-hydroxy-esters carbonate CH3 CH3 Chem chim chloride crystallisation from anhydrous Davies and Hook decomposition products derivative diethyl dissolved distillation ester ethereal solution ethyl 2-hydroxyisobutyrate ethyl benzilate ethyl lactate ethyl mandelate evaporated extracted with ether filtered filtrate Found Fraction heating hydrochloric acid hydrolysis isobutyrate isolated Journ Lambling melting point melting point depression metallic sodium methoxy methoxy-derivative methyl iodide methyl isocyanate methyl-oxazolidinedione-2,4 methylamine Mixed melting point n-sodium NaOH O=C C=O obtained oxazolidine oxazolidinediones-2,4 phenyl phenyl isocyanate phenylurethane prepared quantity react reaction mixture reaction product refluxed residue ring closure ring compounds room temperature salt of 5,5-dimethyl-oxazolidinedione-2,4 scheme silver iodide silver salt sodium azide sodium carbonate sodium hydroxide sodium salt solidified solvent Spielman structure substituted synthesis titration toluene urethane Yield