Synlett 1997; 1997(2): 167-168
DOI: 10.1055/s-1997-737
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A Simple Entry to Fused N-Aryl 1,2-Thiazetidine-S-Oxides: Thermal Isomerisation to 1,4-Thiazine-S-Oxides and Nucleophilic Ring-Opening with Alcohols and Amines

Ronald N. Warrener* , Ananda S. Amarasekara
  • *Centre for Molecular Architecture, Central Queensland University, Rockhampton, Queensland, Australia, 4702, Fax: +61 79 30 9917; email: r.warrener@cqu.edu.au
Further Information

Publication History

Publication Date:
31 December 2000 (online)

We show that fused 1,2-thiazetidine-S-oxides can be produced in one step from readily available aryl sulfonylamines by cycloaddition with quadricyclane; these adducts undergo smooth rearrangement to fused 1,4-thiazines-S-oxides on heating, and can be ring-opened with alcohols to form cis-1,2-arylamino sulfinic esters and cis-1,2-arylamino sulfinamides on treatment with amines.