Thermal rearrangement of 3-allyloxy-1,2-benzisothiazole 1,1-dioxides: an unusua...

• Author(s): Cristiano, Maria Lurdes Santos ; Brigas, Amadeu F. ; Johnstone, Robert A. W. ; Loureiro, Rui M. S. ; Pena, Paula C. A.
• Date: 1999
• Persistent ID: http://hdl.handle.net/10400.1/4247
• Origin: Sapientia - Universidade do Algarve
• Document Type: Article
• Language: English

Description

3-Allyloxy-1,2-benzisothiazole 1,1-dioxides isomerize thermally to give [3,3]- and [1,3]-products 6 of sigmatropic shift, of which the former reacts further to give solely the [1,3]-isomer.