. . "Star\u00FD, Ivo" . "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." . "RIV/61388963:_____/02:57020099" . "[D150ADED3B3A]" . "1223;1235" . . "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."@en . . . . "P(GA203/00/0036), P(GA203/02/0248), Z(AV0Z4055905)" . . "8" . "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." . . "4"^^ . "0"^^ . . . "0"^^ . . "Star\u00E1, Irena" . "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."@en . . "13"^^ . "0010-0765" . "3"^^ . . . "purines, pyrimidines"@en . "RIV/61388963:_____/02:57020099!RIV/2003/AV0/A57003/N" . "CZ - \u010Cesk\u00E1 republika" . "67" . "Hocek, Michal" . . . "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." . "641847" . . "Collection of Czechoslovak Chemical Communications" . "Dvo\u0159\u00E1kov\u00E1, H." . . . "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."@en .