HCID 57722982, compound → HCID 57722990, compound

Participants

Reaction Steps

1,5-bis(2-chlorophenyl)-7-methoxy-3,4-dihydro-2(1H)-quinolinone (0.85 g, 2.134 mmol) and manganese dioxide (5 g) were heated in chlorobenzene (50 ml) under reflux for 17 h. After cooling, the chlorobenzene was removed in vacuo, ethyl acetate (80 ml) added to the residue, then filtered through celite. The filtrate was evaporated in vacuo to afford the title compound as a yellow solid (0.82 g, 97%)

Provenance & Evidence