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Conformationally Imprinted Receptors:  Atropisomers with “Write”, “Save”, and “Erase” Recognition Properties

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journal contribution
posted on 15.09.2005, 00:00 by Charles F. Degenhardt, Judith M. Lavin, Mark D. Smith, Ken D. Shimizu
An atropisomeric receptor with “write”, “save”, and “erase” recognition properties is presented. The receptor adopts a complementary conformation when heating in the presence of an ethyl adenine-9-acetate guest molecule. This complementary hydrogen bonding conformation is “saved” upon cooling to room temperature due to the reestablishment of restricted rotation and is stable even upon removal of the guest. Finally, the atropisomeric receptor can be “erased” by heating in the absence of the guest.

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