Journal of the Chemical Society. Perkin transactions I p. 447 - 455 (1990)
Update date:2022-08-05
Topics:
Jones, Stuart D.
Kennewell, Peter D.
Tulley, W. Roger
Westwood, Robert
Sammes, Peter G.
General methods for the preparation of 3-substituted 5-aryl- 1λ4,2,4-thiadiazine 1-oxides are described. The chemical properties of these new heterocyclic systems have been explored, for example their susceptibility to electrophilic and nucleophilic attack. The 3-bromomethyl derivative can undergo a base-catalysed ring expansion to a seven-membered thiadiazepine; some initial studies at generating fused bicyclic systems from these heterocyclic precursors are also reported.
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