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Oxo-N-heterocyclics

Hydrogen chloride acetic anhydride a-Oxo-N-heterocyclics from o-carboxy-N-oxides... [Pg.378]

Triethylamine Nucleophilic substitution in a position of N-heterocyclics a-Oxo-N-heterocyclic azlnes from a-alkylthiocyclimmonium salts... [Pg.161]

Sym. azines. 90%-Hydrazine hydrate added to 2-ethylthio-3-ethylbenzothiazo-lium ethosulfate in methanol, then triethylamine added whereupon the temp, rises to 40-50° 3-ethylhenzothiazol-2-one azine. Y 95. — Direct reaction of nucleophiles with a-oxo-N-heterocyclics is not possible. F. e., also unsym. azines, s. S. Hunig et al., A. 676, 36 (1964). [Pg.161]

Hydrogen peroxide/hydrogen chloride y, y -Dichloro-a-oxo-N-heterocyclics... [Pg.183]

Gyclic ketocarboxylic acid esters from N-nitroso-a-oxo-N-heterocyclics s. 18, 850... [Pg.249]

See other pages where Oxo-N-heterocyclics is mentioned: [Pg.230]    [Pg.234]    [Pg.323]    [Pg.456]    [Pg.458]    [Pg.261]    [Pg.269]    [Pg.279]    [Pg.326]    [Pg.330]    [Pg.369]    [Pg.228]    [Pg.258]    [Pg.264]    [Pg.271]    [Pg.339]    [Pg.340]    [Pg.344]    [Pg.283]    [Pg.380]    [Pg.70]    [Pg.73]    [Pg.341]    [Pg.344]    [Pg.344]    [Pg.234]    [Pg.242]    [Pg.242]   


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A-Oxo-N-heterocyclics

A-Oxo-N-heterocyclics 2-piperidones

A-Oxo-N-heterocyclics 2-pyridones

A-Oxo-N-heterocyclics 2-pyrrolidones

A-Oxo-N-heterocyclics 2-pyrrolones

A-Oxo-N-heterocyclics carbostyrils

Oxo heterocyclic

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