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Dibenzo[b,e][1,4]diazepin-1-Ones,Synthesis and Derivatization
Authors:N. Rashed  M. Sayed  E. S. H. El Ashry
Abstract:Several linearly fused tricyclic 6,7,6-systems were prepared. Reaction of 1,2-diamino-4-nitrobenzene with 5,5-dimethylcyclohexan-1,3-dione gave 3-(2-amino-5-nitroaniIino)-5,5-dimethylcyclohex-2-en-1-one (8) . Reaction of 8 and its analogue 6 with various aldehydes gave 2,3,4)5,10,11-hexahydro-3,3-dimethyl-11-substituted-1H-dibenzo[b,e][1,4]diazepin-1-ones 9 and 10 . Acetylation of 9 and 10 gave the corresponding N-acetyl derivatives. Spectral data of the products are discussed.
Keywords:Linearly fused tricyclic 6,7,6-system  Dibenzodiazepinones
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