for the following products
1,1,7,7-Tetramethyl-2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinolin-8-ol | 1,1,7,7-Tetramethyl-8-hydroxy-julolidine | 2,3,6,7-Tetrahydro-1,1,7,7-tetramethyl-1H,5H-benzo[ij]quinolizin-8-ol | 8-Hydroxy-1,1,7,7-tetramethyljulolidine and Tetramethyljulolidine
