The hemicryptophanes, combining a CTV unit with another unit bearing a C3 symmetrical axis, are ditopic host molecules. In 1982, J-M. Lehn and A. Collet described the first member of a new class of host compound. This compound, called speleant, combined a CTV and a crow ether unit. They demonstrate that this compound display recognition properties toward methylammonium anion. Despite this promising preliminary result, this class of host compound received thereafter very little attention.Nevertheless, since 2005, this class of compound has aroused a strongly growing interest. Indeed, during this recent period, the first and promising applications of hemicryptophanes host compounds have been developed. Indeed, they were found to be efficient in recognition, supramolecular catalysis and they also enter the field of molecular machines.
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Host Guest Systems, Bio-sensoring, Catalysis and Inhibitors synthesis
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