14939-45-8Relevant articles and documents
(Trifluoromethyl)germanes, III. - Preparation of New (Trifluoromethyl)germanium Chalcogene Compounds
Haas, Alois,Kutsch, H.-Juergen,Krueger, Carl
, p. 271 - 278 (2007/10/02)
Starting with the dihalogenobis(trifluoromethyl)germanes (CF3)2GeX2 (X = Cl, or I), halogen-chalcogen exchange leads to corresponding chalcogen derivatives of the general type n (6, 7) (E = O, NH, S, or Se).The resulting compounds differ in their degree of polymerisation. x and the corresponding sesquioxane x are highly polymeric, quite in contrast to the corresponding germathianes and -selenanes.The crystal structure of x (6a) was determined by X-ray single crystal diffraction.The reaction of CF3GeCl3 with triethanolamine results in the formation of 1-(trifluoromethyl)germatrane (13).Disilaselenane (10) reacts at low temperatures with chloro(trifluoromethyl)germanes (CF3)nGeCl4-n under retention of one Si-Se bond to give (CF3)nGe(SeSiH3)4-n (11) and H3SiCl.Compounds with n = 3 and 2 could be isolated.Exchange of iodine by ECF3 takes place with iodogermanes (CF3)nGeI4-n and Hg(ECF3)2 ( E = S, Se) with formation of a complete series of (trifluoromethyl)(trifluoromethylchalcogeno)germanes (CF3)nGe(ECF3)4-n (3, 5). - Keywords: Chalcogenogermanes, (trifluoromethyl)-/ Disilaselenanes/ Germachalcogenanes, bis(trifluoromethyl)-/ Germanes, (trifluoromethyl)-/ Germatranes, (trifluoromethyl)-
