Pyrazole　cores　are　common　structural　motifs　existing　in　various　agrochemicals　and　pharmaceuticals.　Herein,　a　transition　metal-free,　three-component　reaction　of　arylaldehydes,　ethyl　acrylate　andN-tosylhydrazones　is　described,　which　leads　to　the　formation　of　1,3,5-trisubstituted　and　1,3-disubstituted　pyrazoles　divergently　under　slightly　different　conditions.