Studies on the Syntheses of Heterocyclic Compounds. Part DCXXXVIII. Simple Synthesis of Benz[d]indeno[1,2-b]azepine from 1-Benzoyl-3,4-dihydroisoquinoline

Abstract
1-Benzoyl-3,4-dihydroisoquinoline methiodides (13, 14, 15) were converted into 5-benzoyl-2,3-dihydro-1H-3-benzazepines (18, 19, 20), respectively, cyclization and reduction of which gave benz[d]indeno[l,2-b]azepines (27, 28, 29).

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