94951-38-9Relevant articles and documents
Synthesis of Condensed Quinoxalines. VI. Synthesis of 1H-Pyrazoloquinoxaline N-Oxides and Related Compounds
Yoshida, Kei,Otomasu, Hirotaka
, p. 3361 - 3365 (2007/10/02)
Oxidation of 1H-pyrazoloquinoxalines (1a: R=H, 1b: R=CH3) with m-chloroperbenzoic acid (MCPBA) gave the 4-oxides (2a, b).The structures of 2a, b were confirmed by synthesis, by condensing 2-chloroquinoxaline-3-carbaldehyde 4-oxide (6) with appropri