3-Phenyl-5,6,7,8-tetrahydropyrimido[4,5-c]pyridazin-7-one as nucleobase substitute in DNA: synthesis of the 2â²-deoxyribonucleoside, cyclonucleoside formation, and base pairing in oligonucleotides
Keywords: Pyrimido[4,5-c]pyridazine; Nucleosides; Cyclonucleosides; Oligonucleotides;