1-[5-(4-Bromo-phenyl)-6-cyano-2,4-dioxo-1,2,3,4-tetrahydro-pyrido[2,3-d]pyrimidin-7-yl]-3-phenyl-thiourea 在
ammonium hydroxide 作用下,
以
乙醇 为溶剂,
反应 24.0h,
以71%的产率得到10-(4-Bromo-phenyl)-5-imino-6-phenyl-7-thioxo-5,6,7,8-tetrahydro-1H-1,3,6,8,9-pentaaza-anthracene-2,4-dione