A New Approach to the Synthesis of Thiacrowns on a Thiacalixarene Scaffold
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A new strategy of synthesis of thiacalixmonothiacrown ethers in 1,3-alternate stereoisomeric form has been suggested and implemented through macrocyclization of the lower rim of 3-bromopropoxy-substituted thiacalixarenes by dithiols.
The authors are grateful to the Center of Collective Use of FRC KSC RAS for technical support of the studies.
The work was supported by Basic Research Program 14P of the Presidium of Russian Academy of Sciences and partially supported through a Kazan Federal University grant for the State support in the field of scientific activity (4.1493.2017/6.7).