... Tetrahedron Letters. Volume 47, Issue 47, 20 November 2006, Pages 8247–8250. Cover image Cover image. ... 1; (a) A. Quilico; Isoxazoles and Related Compounds. (a) A. Weissberger (Ed.), The Chemistry of Heterocyclic Compounds, Vol. 17, Interscience, New York (1962). ...