Tetracyclic phenothiazines V. Construction of the azepino[3,2,1‐kl] ‐phenothiazine ring system by regioselective ring expansion
- 1 December 1978
- journal article
- research article
- Published by Wiley in Journal of Heterocyclic Chemistry
- Vol. 15 (8) , 1507-1508
- https://doi.org/10.1002/jhet.5570150854
Abstract
Solvolysis of 1,2‐dihydro‐3‐hydroxy‐3‐(p‐toluenesolfonyloxymethyl) 3H‐pyrido[3,2,1‐kl]‐phenothiazine gave 1,2,3,4‐tetrahydroazepino[3,2,1‐kl]phenothiazin‐3‐one.Keywords
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