Naphth[1,8-bc]- and naphth[1,8-cd]- azepines. The Schmidt reaction on 2,3-dihydro-4-methylphenalen-1-one
Abstract
The Schimidt reaction on 2,3-dihydro-4-methylphenalen-1-one gave 1,2,3,4-tetrahydro-5-methylnaphth[1,8-bc]-[1H]azepin-2-one and 1,2,3,4-tetrahydro-5-methylnaphth[1,8-cd][2H]azepin-1-one in the proportion of 9:1.