477300-87-1Relevant academic research and scientific papers
Covalent analogues of DNA base-pairs and triplets IV+. Synthesis of trisubstituted benzenes bearing purine and/or pyrimidine rings by cyclotrimerization of 6-ethynylpurines and/or 5-ethynyl-1,3-dimethyluracil
Hocek, Michal,Stara, Irena G.,Stary, Ivo,Dvorakova, Hana
, p. 1223 - 1235 (2007/10/03)
Ni-Catalyzed cyclotrimerizations of 6-ethynylpurines 3 or 5-ethynyl-1,3-dimethyluracil (4) afforded the 1,2,4-tris(purin-6-yl)benzenes 7 or 1,2,4-tris(1,3-dimetyhyluracil-5-yl)benzene (9), respectively. The symmetrical 1,3,5-tris(purin-6-yl)benzenes 8 wer
