Synthetic utility of 5-amino-6-cyano-2-phenylthieno[2,3-d] oxazole

This paper describes the synthesis of 5-amino-6-cyano-2-phenylthieno[2,3-d]oxazole and its utilization for the preparation of a range of azo disperse dyes. These aryl azo disperse dyes were applied on polyester fabric and their fastness properties were evaluated. The dyes were characterized by NMR and IR spectroscopy. The visible absorption spectra of these dyes were recorded.