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Self-assembling purine and pteridine quartets: how do π-conjugation patterns affect resonance-assisted hydrogen
Hari Ram Paudel1, Ranjita Das1, Chia-Hua Wu1
1University of Houston, Department of Chemistry, USA. jiwu@central.uh.edu.
Abstract:
Computed association strengths for 43 purine and pteridine quartets (38 to 100 kcal mol-1) show excellent linear correlation with π-conjugation gain in the assembled monomers (r2 = 0.965). Even quartets having the same secondary electrostatic interactions can display very different association strengths depending on the π-conjugation patterns of the monomeric units.
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