Non conventional syntheses of heterocyclic compounds. 2. Synthesis of 1H-4,5-dihydro-1,3,4-benzotriazepine derivatives |
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Authors: | Raffaello Fusco,Alessandro Marchesini,Franco Sannicol |
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Affiliation: | Raffaello Fusco,Alessandro Marchesini,Franco Sannicolò |
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Abstract: | Arylazoanils carrying aromatic methyl or ethyl groups in the position ortho to the imine function thermally cyclize to give 1H-4,5-dihydro-1,3,4-benzotriazepine derivatives in fairly good yields. A study of the effect of the substituents on both the aryl rings is reported. The reaction is interpreted as an internal oxo-reduction process. |
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