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1361“…The water-coordinated neodymium(III) atom in the centrosymmetric title compound, [Nd(2)(C(5)H(2)N(2)O(4))(C(5)H(3)N(2)O(4))(4)(C(12)H(8)N(2))(2)(H(2)O)(2)]·6H(2)O is chelated by a 1,10-phenanthroline heterocycle and two 2,4-dihydroxypyrimidine-5-carboxylate dianions. Two tris-chelated water-coordinated units are bridged by a 2,4-dihydroxypyrimidine-5-carboxylate dianion, which is disordered about a center of inversion. …”
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13629-Furfurylidene-2,3-dimethyl-6,7,8,9-tetrahydro-4H-thieno[2′,3′:4,5]pyrimidino[1,2-a]pyridin-4-onepor Bozorov, Khurshed A., Elmuradov, Burkhon Zh., Okmanov, Rasul Ya., Tashkhodjaev, Bakhodir, Shakhidoyatov, Khusnutdin M.“…The title compound, C(17)H(16)N(2)O(2)S, was obtained by condensation of 2,3-dimethylthieno[2′,3′:4,5]pyrimidino[1,2-a]pyridin-4-one with furfural in the presence of sodium hydroxide. …”
Publicado 2010
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1363“…2-Sulfanyl-6-(2-thienyl)pyridine-3-carbonitrile, 1-Amino-6-(5-bromo-benzofuran-2-yl)-2-oxo-1,2-dihydro-pyridine-3-carbonitrile, thieno[2,3-b]pyridins, pyrimidino[4',5':4,5]thieno[2,3-b]pyridine, quinazoline and carbamate derivatives were synthesized from sodium 3-(5-bromobenzofuran-2-yl)-3-oxoprop-1-en-1-olate with. …”
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1364por Saadallah, Yaakoub, Setifi, Zouaoui, Jelsch, Christian, Setifi, Fatima, Al-Douh, Mohammed Hadi, Satour, Achouak, Glidewell, Christopher“…The octahedral iron coordination polyhedron contains two di(pyrimidin-2-yl)amine ligands coordinated in a bidentate fashion, and two monodentate dicyanimido ligands, each coordinated via a terminal N atom, with the latter in a cis orientation. …”
Publicado 2023
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1365por McHardy, Tatiana, Caldwell, John J., Cheung, Kwai-Ming, Hunter, Lisa J., Taylor, Kevin, Rowlands, Martin, Ruddle, Ruth, Henley, Alan, de Haven Brandon, Alexis, Valenti, Melanie, Davies, Thomas G., Fazal, Lynsey, Seavers, Lisa, Raynaud, Florence I., Eccles, Suzanne A., Aherne, G. Wynne, Garrett, Michelle D., Collins, Ian“…Variation of the linker group between the piperidine and the lipophilic substituent identified 4-amino-1-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)piperidine-4-carboxamides as potent and orally bioavailable inhibitors of PKB. …”
Publicado 2010
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1366“…In the crystal structure of the title compound, C(22)H(24)FN(3)O(4), the two fused rings of furo[2,3-d]pyrimidine form a dihedral angle of 0.88 (13)°. The attached benzene ring is twisted with respect to the heterocyclic pyrimidinone ring, making a dihedral angle of 75.07 (12)°. …”
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1367“…In the title molecule, C(18)H(21)ClN(2)O(3)S, the pyrimidine ring exhibits a half-chair conformation. …”
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1368“…The Mn(II) atom is located on an inversion center and coordinated by two N atoms and two O atoms, each pair in a trans mode, from two 3-(2-hydroxyethyl)-2-methyl-4-oxopyrido[1,2-a]pyrimidin-9-olate ligands and by two water molecules. …”
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1369por Fun, Hoong-Kun, Jebas, Samuel Robinson, Babu, M., Patil, P. S., Kalluraya, B., Dharmaprakash, S. M.“…In the title molecule, C(20)H(18)BrFN(2)O(2)S, the pyrimidine ring adopts a flattened envelope conformation. …”
Publicado 2008
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1370
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1371“…The anionic S atom of the pyrimidine-2-thiolate (pymt) ligand is coordinated in the trans position to the primary amine N atom (Nprim) of the tris(2-aminoethyl)amine (tren) ligand. …”
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1372
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1373por Thenmozhi, M., Kavitha, T., Satyanarayana, V. S. V., Vijayakumar, V., Ponnuswamy, M. N.“…In the title compound, C(15)H(18)N(2)O(5)·H(2)O, the pyrimidine ring adopts a flattened-boat conformation. …”
Publicado 2009
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1374
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1375“…In the title compound, C(15)H(12)ClF(3)N(4)O(2), the dihydropyrimidine ring exhibits an envelope conformation. The dihedral angle between the mean planes of the dihydropyrimidine and phenyl rings is 83.94 (6)°. …”
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1376por Rashad, Aymn E., Shamroukh, Ahmed H., Abdel-Megeid, Randa E., Sayed, Hayam H., Abdel-Wahed, Nayera M.“…(9-Methyl-5,6-dihydronaphtho[1′,2′:4,5]thieno[2,3-d]pyrimidin-11-yl)hydrazine (1) was used as a precursor for preparation of some novel 1-(9-methyl-5,6-dihydronaphtho[1′,2′:4,5]thieno[2,3-d]pyrimidin-11-yl)-1H-pyrazoles 2–7, -1H-isoindole-1,3(2H)-dione 8, and -pyridazin-3(2H)-one 9. …”
Publicado 2010
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1377
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1378
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1379“…The structure of the title ionic compound, (C(5)H(6)N(5))(2)[Cu(C(2)O(4))(2)]·2H(2)O, consists of a centrosymmetric copper(II) oxalate dianion, two monoprotonated molecules of the adenine analog 7-amino-1,2,4-triazolo[1,5-a]pyrimidine (7atp) and two water molecules of crystallization. …”
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1380