Huizhe Han , Vladimir N. Kovtonyuk , Yurii V. Gatilov , Rodion V. Andreev , Andrey A. Nefedov
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Fluorinated diaminobicyclooxacalixarene and diaminotetraoxacalixarenes: Synthesis and conformational behaviour
Polyfluorinated diaminotetraoxacalixarenes and diaminobicyclooxacalixarene were obtained in good yield by reduction of the corresponding dinitrooxacalixarenes with sodium dithionite. Fluorinated tetraoxacalix[4]arenes with nitro and amino groups located in the inner rim of the macrocycle exists in the solution as an equilibrium mixture of two conformers. For diaminotetraoxacalixarenes the conformational equilibrium is shifted towards conformers having a 1,3-alternate structure. The ESI-MS method shows the possibility of complexing fluorinated diaminotetraoxacalixarenes and diaminobicyclooxacalixarenes with metal cations.
期刊介绍：
The Journal of Fluorine Chemistry contains reviews, original papers and short communications. The journal covers all aspects of pure and applied research on the chemistry as well as on the applications of fluorine, and of compounds or materials where fluorine exercises significant effects. This can include all chemistry research areas (inorganic, organic, organometallic, macromolecular and physical chemistry) but also includes papers on biological/biochemical related aspects of Fluorine chemistry as well as medicinal, agrochemical and pharmacological research. The Journal of Fluorine Chemistry also publishes environmental and industrial papers dealing with aspects of Fluorine chemistry on energy and material sciences. Preparative and physico-chemical investigations as well as theoretical, structural and mechanistic aspects are covered. The Journal, however, does not accept work of purely routine nature.
For reviews and special issues on particular topics of fluorine chemistry or from selected symposia, please contact the Regional Editors for further details.
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