S 98 Synthesis of polyfluoroalkylated 1,4-diazinols and 1,4-oxazinols using polyfluoro-2,3-epoxyalkanes 32 + 13 [Text] / L. V. Saloutina, A. Ya. Zapevalov, M. I. Kodess, V. I. Saloutin // Journal of Fluorine Chemistry. - 1998. - Vol. 87, № 1. - P49-55. - Bibliogr. : p. 55 (13 ref.) Рубрики: ХИМИЧЕСКИЕ НАУКИ Кл.слова (ненормированные): 2-AMINOETHANOL -- ETHYLENEDIAMINE -- POLYFLUORO-2,3-EPOXYALKANES -- POLYFLUOROALKYLATED 1,4-DIAZINOLS -- POLYFLUOROALKYLATED 1,4-OXAZINOLS Аннотация: It has been found that the reactions of polyfluoro-2,3-epoxyalkanes with ethylenediamine and 2-aminoethanol yield 2,3-di(polyfluoroalkyl)-1,5,6-trihydro-1,4-diazin-2-ols and 2,3-di(polyfluoroalkyl)-5,6-dihydro-1,4-oxazin-2-ols, respectively. In the case of unsymmetrical oxiranes mixtures of regioisomeric heterocyclic compounds have been obtained. These reactions were found to give some byproducts - N,N?-bis(polyfluoroacyl)ethylenediamines and N-polyfluoroacyl-2-aminoethanols. |