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

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Agirbas H., Guner S.

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

• Publication Type: Article / Article
• Volume: 161
• Publication Date: 2000
• Doi Number: 10.1080/10426500008042112
• Journal Name: PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS
• Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier
• Page Numbers: pp.257-263
• Kocaeli University Affiliated: Yes

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.