An approach toward the syntheses of triazolo benzoxazines, triazolo quinoxalines, triazolo benzodiazepines, triazolo benzoxazepines, and triazolo benzothiazines via a simple and convenient protocol using basic alumina as solid support

作者：Chatterjee Nivedita; Sarkar Swarbhanu; Pal Rammyani; Sen Asish Kumar^*

来源：Tetrahedron Letters, 2014, 55(14): 2261-2265.

DOI：10.1016/j.tetlet.2014.02.080

• Triazolo benzoxazines
• Triazolo benzoxazepines
• Triazolo benzodiazepines
• Triazolo quinoxalines
• Triazolo benzothiazines
• Domino one-pot reaction

A microwave assisted green protocol for the syntheses of triazole fused benzoxazines, benzoxazepines, quinoxalines, and benzothiazines was investigated using basic alumina as solid support. The one-pot reaction was carried out using Cu(phen)(PPh3)Br as a catalyst. The protocol did not require the use of any additional ligands, base or the use of expensive and toxic palladiums.

• 出版日期2014-4-2