Shinozuka, Kazuo published the artcileNucleoside complexing. A carbon-13 NMR spectroscopic investigation of the metal binding sites in 7-methylguanosine, 7-methylinosine and some related new synthetic betaines, Product Details of C6H9N3O2, the publication is Inorganica Chimica Acta (1985), 100(1), 141-50, database is CAplus.
A 13C NMR spectroscopic study of the binding of various metal species, including hard metal species (Sr, Ba, La, Pr), intermediate metal species (Zn, Cd, Pb), and soft metal species (Pt, Hg), is reported. The 13C NMR shift patterns for the O6 resonance of 7-methylguanosine, 7-methylinosine, 2-(dimethylamino)-7.9-dimethylhypoxanthinium betaine, 2-(diethylamino)-7-methyl-9-propylhypoxanthinium betaine, and the (ethylamino) and 6-thio analogs of the latter betaine suggest that metal species of intermediate ‘softness’ prefer endocyclic N1 binding over exocyclic O6 to a larger extent than they prefer endocyclic N3 binding over exocyclic O2 binding in cytosine derivatives 2-Dimethylamino-9-methylhypoxanthine I (R,R1 = Me; R2 = Me) was prepared from 5-amino-4,6-dihydroxy-2-dimethylaminopyrimidine II (R3 = NH2, R4 = OH, R5 = NMe2) by addition of MeNCS, ring closure with HCL, and Raney nickel desulfurization. I (R,R1 = H, Et; R2 = Pr) were prepared from II (R3 = NO2, R4 = NH2, R5 = SMe) by treatment with Me2NH, EtNH2, or Et2NH followed by cycloadditions with Na2S2O4, HCO2H2 and CHCONH2 alkylation with alkyl halides, and deamination with HNO2. I were methylated to give the corresponding hypoxanthinium betaines III.
Inorganica Chimica Acta published new progress about 5738-14-7. 5738-14-7 belongs to pyrimidines, auxiliary class Pyrimidine,Amine,Alcohol,Pyrimidine, name is 2-(Dimethylamino)pyrimidine-4,6-diol, and the molecular formula is C6H17NO3Si, Product Details of C6H9N3O2.
Referemce:
https://pubchem.ncbi.nlm.nih.gov/compound/Pyrimidine,
Pyrimidine – Wikipedia