Pyrazino(1,2-a)- and 1,4-diazepino(1,2-a)- indoles. III. Synthesis of pyrrolo(2',1':3,4)pyrazino(1,2-a)indoles and pyrrolo(2',1':3,4)-1,4-diazepino(1,2-a) indoles; isoindolo(2',1':3,4)pyrazino(1,2-a)-indoles and isoindolo(2',1':3,4)-1,4-diazepino(1,2-a)indoles; pyrazino(3,2,1-jk)- carbazoles and 1,4-diazepino(3,2,1-jk) carbazoles] |
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| Authors: | F Gatta S Chiavarelli |
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| Abstract: | Pyrrolo(2',1':3,4)pyrazino (or 1,4-diazepino) (1,2-a)indoles and isoindolo(2',1':3,4)pyrazino (or 1,4-diazepino) (1,2-a)indoles were synthesized by reaction of 1-(2-aminoethyl)indole or 1-(3-aminopropyl)indole with gamma-keto and o-acylbenzoic acids. In addition, a novel synthetic route for the preparation of pyrazino(3,2,1-jk)- and 1,4-diazepino(3,2,1-jk)carbazoles has been realized. |
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