Abstract A direct method of synthesis of 1-organylsilatranes by the reaction of organyltrichlorosilanes with tris (2-hydroxyethyl) amine was developed. 1-Organylsilatranes RSi (OCH 2 CH 2) 3 N with R= Me, Et, Ph, ClCH 2, ICH 2, Cl (CH 2) 3 were prepared by this method in up to 72% yield.