C 47 Charushin, V. N. Cyclizations of N-Alkylazinium Cations with Bisnucleophiles. One-step Route to Furo[2,3-b]quinoxalines [Electronic resource] / V. N. Charushin, O. N. Chupakhin, A. I. Rezvukhin // Heterocycles. - 1981. - Vol. 16, № 2. - P195-198 Рубрики: ХИМИЧЕСКИЕ НАУКИ Кл.слова (ненормированные): N-ALKYLQUINOXALINLUM SALTS -- BETA-DIKETONES Аннотация: N-Alkylquinoxalinium salts react with anions of β-diketones at a temperature below 20°C to yield endo-furo[2,3-b]quinoxalines. |