Batalin Sergey D. RussiaSaratovSaratov State University , 83, Astrakhanskaya str., Saratov, 410012, Russia batalinsd@bk.ru Author's articles Effect of N,O,S-contaning Heterocyclic Compounds on Growth of Root System of Triticum aestivum L. Some Transformation 2-Pentene-, Pentane-1,5-Diones and Their Halogen-Substituted Analogues with Thioacetamide