Abstract A series of novel 1, 3, 5-triarylpyrazoles 3a, 3b, 3c, 3d, 3e, 3f, 3g, 3h, 3i, 3j, 3k, 3l, 3m, 3n, 3o, 3p, 3q, 3r, 3s, 3t, 3u, 3v, 3w, 3x were synthesized from flavanones, arylhydrazines, and trimethyl phosphate in an one-pot procedure. Facile reaction process, easy after-reaction workshop, and good yields are the distinct characteristics of the developed protocol. The target compounds were characterized by element analysis, ...