Azoles. Part 9. Synthesis of derivatives of thieno [2,3-d]thiazole, 4H-pyrrolo-2,3-d]thi-azole, 2H-pyrazolo[3,4-d]thiazole and isoxazole [3,4-d]thiazole from thiazolidine-2,4-dione - Athmani, S; Farhat, MF; Iddon, B (J Chem Soc Perkin Trans., 1992)