102277-23-6Relevant articles and documents
CYCLIZATION OF N-ALKYLAMMONIUM CATIONS WITH BIFUNCTIONAL NUCLEOPHILES. 17. ANNELATION OF IMIDAZOLE AND 1,2,4-TRIAZINE RINGS WITH PYRAZINES VIA THE REACTIONS OF THIOSEMICARBAZIDES WITH PYRAZINIUM SALTS
Baklikov, V. G.,Charushin, V. N.,Chupakhin, O. N.,Sorokin, N. N.
, p. 798 - 804 (2007/10/02)
1- and 4-mono- as well as 1,4-disubstituted thiosemicarbazides undergo cyclization reactions upon treatment with N-alkylpyrazinium and quinoxalinium salts to give N-aminosubstituted imidazopyrazines and imidazoquinoxalines, respectively.Thio