N4-(4-chloro-phenyl)-6,7-dimethoxy-quinazoline-4,5-diamine 、
N,N'-硫羰基二咪唑 以
1,2-二氯乙烷 为溶剂,
反应 4.0h,
以to give the desired 3-(4-chloro-phenyl)-8,9-dimethoxy-1H,3H-1,3,4,6-tetraaza-phenalene-2-thione as a yellow solid的产率得到3-(4-Chloro-phenyl)-8,9-dimethoxy-1H,3H-1,3,4,6-tetraaza-phenalen-2-thione