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Table 2 Study of solvent system for the preparation of 1,8-dioxodecahydroacridines

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 3.0 90
4 Ethanol 1.0 96
5 Solvent free 4.5 60
  1. aYields of isolated products