https://www.selleckchem.com/products/kpt-8602.html
2,3-Dioxo-1,2,3,4-tetrahydroquinoxaline-6-sulfonyl chloride 1 was prepared via reaction of o-phenylene diamine with oxalic acid followed by chlorosulfonation with excess chlorosulfonic acid. A series of new sulfonylquinoxaline derivatives 2-6 were obtained upon reacting compound 1 with different types of amines. 2,3-Dichloro-6-morpholinosulfonylquinoxaline derivative 6 was subjected to further chemical reactions to afford many derivatives of 6-morpholino 2,3-disubstitutedquinoxalines, thus reaction of compound 6 with different secondar
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