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Tetracyclic phenothiazines V. Construction of the azepino[3,2,1-kl] -phenothiazine ring system by regioselective ring expansion |
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| Authors: | Sun H Kim Arnold R Martin |
| Abstract: | Solvolysis of 1,2-dihydro-3-hydroxy-3-(p-toluenesolfonyloxymethyl) 3H-pyrido3,2,1-kl]-phenothiazine gave 1,2,3,4-tetrahydroazepino3,2,1-kl]phenothiazin-3-one. |
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