Holovach, S. M.; Melnykov, K. P.; Poluektova, M. S.; Rozhenko, O. B.; Grygorenko, O. O. Incorporation of Gem-Difluorocycloalkyl Substituents into Heterocycles via the Levin’s “Nitrogen Deletion” Strategy. J. Org. Pharm. Chem. 2023, 21, 11-16.