109002-25-7Relevant academic research and scientific papers
Synthesis of fused quinoxalines
Ponizovsky, Michail G.,Boguslavsky, Artem M.,Kodess, Mikhail I.,Charushin, Valery N.,Chupakhin, Oleg N.
, p. 68 - 70 (2002)
The intramolecular cyclization of NH and N-alkyl quaternary salts of 2-quinoxaline-2-carboxaldehyde hydrazones affords pyrazolo-[3,4-b]quinoxalines in good yields.
A new methodology of annelation of five- and seven-membered heterocycles to quinoxalines
Boguslavskiy,Ponizovskiy,Kodess,Charushin
, p. 2175 - 2184 (2007/10/03)
Pyrazolo[3,4-b]-, isoxazolo[4,5-b]-, benzo[2,3]-1,4-diazepino-, and benzo[2,3]-1-4-oxazepinoquinoxalines were prepared by reactions of 2-quinoxalinecarboxaldehyde with 1,2-N,N-, 1,2-N,O and 1,4-N,N- and 1,4-N,O-dinucleophiles.
Phenylation and Dephenylation Reactions: Formation of 1H-Pyrazoloquinoxalines
Pillai, P. Madhavan,Ramabhadran, P.
, p. 901 - 904 (2007/10/02)
1,3-Diphenyl-1H-pyrazoloquinoxaline (9) has been isolated as a byproduct in the conversion of quinoxaline-2-carboxaldehyde phenylhydrazone (1) into 1-phenyl-1H-pyrazoloquinoxaline (5) using stored phenylhydrazine as the dehydrogenating agent
