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Self-Assembly of Functionalized Lipophilic Guanosines into Cation-Free Stacked Guanine-Quartets

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journal contribution
posted on 19.07.2021, 17:44 by Marilena Campitiello, Alessio Cremonini, Marco A. Squillaci, Silvia Pieraccini, Artur Ciesielski, Paolo Samorì, Stefano Masiero
The hierarchical self-assembly of various lipophilic guanosines exposing either a phenyl or a ferrocenyl group in the C(8) position was investigated. In a solution, all the derivatives were found to self-assemble primarily into isolated guanine (G)-quartets. In spite of the apparent similar bulkiness of the two substituents, most of the derivatives form disordered structures in the solid state, whereas a specific 8-phenyl derivative self-assembles into an unprecedented, cation-free stacked G-quartet architecture.