for the following products
4-(3',4'-Dichlorophenyl)-1-tetralone | 4-(3,4-Dichlorophenyl)-3,4-dihydro-1(2H)-naphthalene-1-one 4-(3,4-dichloro-phenyl)-1-tetralone | 4-(3,4-Dichlorophenyl)-3,4-dihydronaphthalene-1(2H)-one | Rac 4-(3',4'-dichlorophenyl)-3,4-dihydro-2H-naphthalen-1-one and 4-(3,4-Dichlorophenyl)-1-tetralone