Abstract
A single step chemical synthesis of N7-methyl-2′-deoxyguanosine (m7dG), N1-methyl-2′-deoxyguanosine (m1dG) and O6-methyl-2′-deoxyguanosine (m6dG) is described. The products were separated on the silical gel plates and characterized by nuclear magnetic resonance and mass spectrometry.