Nucleophilic substitution of bromine in vicinal bromotrifluoroalkylamines
作者:Yu. L. Ignatova、N. M. Karimova、I. N. Rozhkov
DOI:10.1007/bf00717368
日期:1994.5
SecondaryN-(2-bromo-3,3,3-trifluoropropyl)-N-alkylamines cyclize under the action of bases to yield aziridines. TertiaryN-(2-bromo-3,3,3-trifluoropropyl)amines react with S-nucleophiles to give products of bromine substitution.
Electronic structure and reactivity of organofluorine compounds
作者:I. N. Rozhkov、N. M. Karimova、Yu. L. Ignatova、A. G. Matveeva
DOI:10.1007/bf00695823
日期:1994.2
The basicity of isomeric bromoethylamines having a CF3 substituent in the α- and β-positions with respect to the amino group was studied. According to potentiometric titration in H2O, CH3NO2, and CH3CN, the basicity of α-trifluoromethylamines is 4–5 orders of magnitude lower than that of β-trifluoromethyl isomers. Quantum-chemical calculations (AM1) showed that the decrease in the basicity of α-trifluoromethylamines