From: A facile and efficient synthesis of 1,8-dioxodecahydroacridines derivatives catalyzed by cobalt–alanine metal complex under aqueous ethanol media
Entry
Solvent
Time (h)
Yield (%)a
1
CH3CN
4.5
72
2
DCM
3.0
80
3
DMF
90
4
Ethanol
1.0
96
5
Solvent free
60