The Reversible Dimerization of Chiral Ureidopyrimidinones. Chiroptical Signaling via the Formation and Disruption of Quadruple Hydrogen Bonding Arrays
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In solution, 2-ureido-4[1H]-pyrimidinones show a strong propensity to dimerize via a well-defined quadruple donor-donor-acceptor-acceptor hydrogen bonding array. For derivatives that have been modified with chiral functional groups, intermolecular associations... ...
