Nucleobases methylated at the glycosidic nitrogen atom achieve DNA-specific self-assembly upon heating in the solid state. We report formation and characterisation of the elusive cocrystal of methylated guanine and methylated cytosine, exhibiting Watson–Crick-type hydrogen bonding, and the crystal structure of 9-methylguanine.
T. Stolar, S. Lukin, M. Etter, M. Rajić Linarić, K. Užarević, E. Meštrović and I. Halasz, Chem. Commun., 2020, 56, 13524 DOI: 10.1039/D0CC03491F
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