Synthesis and isomerization of 1H-4,4a,5,9b-tetrahydroindeno-[1,2-b]pyridines

Article abstract of DOI:10.1016/S0040-4020(01)89744-1

Synthesis of 1H-4,4a,5,9b-tetrahydroindeno[1,2-b]pyridines has been accomplished by catalytic hydrogenation of 4H-4a,5-dihydroindenopyridines. The isomerization of 1H-4,4a,5,9b-tetrahydroindenopyridines containing an acyl function at C-3 leads to 3H-4,4a,