Copper-catalysed rearrangement of 4-substituted-2,3-1H-benzoxazine-1-thiones


Agirbas H., Guner S.

PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS, vol.161, pp.257-263, 2000 (Journal Indexed in SCI) identifier identifier

  • Publication Type: Article / Article
  • Volume: 161
  • Publication Date: 2000
  • Doi Number: 10.1080/10426500008042112
  • Title of Journal : PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS
  • Page Numbers: pp.257-263

Abstract

4-Substituted-2,3-1H-benzoxazine-1-thiones were prepared by the treatment of the corresponding benzoxazine-1-ones with P2S5. The thermal rearrangement of 4-substituted-2,3-1H-benzoxazine-1-thiones, catalysed by metallic copper, yielded 4-substituted-2,3-1H-benzthiazine-1-ones.