Kovtonyuk VN, Gatilov YV, Nikul’shin PV, Bredikhin RA. Synthesis of Polyfluorinated Thia- and Oxathiacalixarenes Based on Perfluoro-
m-xylene.
Molecules 2021;
26:molecules26030526. [PMID:
33498335 PMCID:
PMC7864041 DOI:
10.3390/molecules26030526]
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Abstract
Perfluorinated tetrathiacalix[4]arene was obtained by heating perfluoro-m-xylene with thiourea or 2,5-difluoro-4,6-bis(trifluoromethyl)benzene-1,3-dithiol at 90 °C. Interaction of perfluoro-m-xylene with resorcinol or orcinol under mild conditions and subsequent heating of the mixture with 2,5-difluoro-4,6-bis(trifluoromethyl)benzene-1,3-dithiol leads to polyfluorinated dioxadithiacalix[4]arenes. Triphenyl and pentaphenyl ethers formed by the interaction of perfluoro-m-xylene with resorcinol under heating with thiourea gives polyfluorinated oxathiacalixarenes containing six and five aromatic nuclei, respectively.
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