N-Benzoyl-cis-deca-350 5 57 Quinoline carbazoleg carbazole'dine'quinolines lines hydroquinolines Three to 10 g. of the compound in 20-30 ml. of benzene with 1 to 2 g. of the Ni. NiCrO catalyst was held in a 180 ml. chrome vanadium steel vessel. intervalsrequired for reaction areless for the heterocyclic compounds than for the carboxylic compounds studied earlier. Several dehydrogenations were accomplished at 250-300O. There is more ...