反应详情

Following the procedure of Example 1, condensation of 1,4-dibromo-2,3-butanedione with 1,2-diamino-4,5-dichlorobenzene yielded 2,3-bis(bromomethyl)-6,7-dichloro-quinoxaline, m.p. 154°-156° C.; 1H NMR (CDCl3, 200 MHz): δ4.86 (s, 4H, CH2), 8.18 (s, 2H, ArH).