Scheme 1

Synthesis of 4-(9-aryl-1,2,3,4-tetrahydroacridin-2-yl)cyclohexan-1-ones and 9,9′-diphenyl-1,1′,2,2′,3,3′,4,4′-octahydro-2,2′-biacridine via three methods
Synthesis of 4-(9-aryl-1,2,3,4-tetrahydroacridin-2-yl)cyclohexan-1-ones and 9,9′-diphenyl-1,1′,2,2′,3,3′,4,4′-octahydro-2,2′-biacridine via three methods