Title: (15)N Double-labeled guanosine from inosine through ring-opening-ring-closing and one-pot Pd-catalyzed C-O and C-N cross-coupling reactions.
Journal: The Journal of organic chemistry 20100716
Title: Structure and synthesis of 6-(substituted-imidazol-1-yl)purines: versatile substrates for regiospecific alkylation and glycosylation at N9.
Journal: The Journal of organic chemistry 20060526