Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Yu-Jiao Niu"'
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 7, Pp o1608-o1608 (2011)
In the crystal structure of the title molecule, C26H32N2O2, the six methyl groups are disordered over two positions, with site-occupancy ratios of 0.665 (8):0.335 (8) and 0.639 (8):0.361 (8). The central pyrimidine ring is almost planar with an r.m.s
Externí odkaz:
https://doaj.org/article/9ec8059d441c44a99117c537aceb9eec
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 11, Pp o2852-o2852 (2010)
In the title compound, C15H12F3N3O3S, the pyrimidine ring adopts a half-chair conformation with the mean plane formed by the ring atoms excluding the C atom bonded to thiophene-2-carbonyl group lying nearly perpendicular to the pyridine and thiophene
Externí odkaz:
https://doaj.org/article/93c66d6a926d44d48f6e4cf475c9fef5
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 11, Pp o2932-o2933 (2010)
The title compound, C16H12F3N3O5S·H2O, was prepared by reaction of 4-nitrobenzaldehyde, 4,4,4-trifluoro-1-(thiophen-2-yl)butane-1,3-dione and urea. The asymmetric unit contains two independent molecules, with essentially identical geometries and con
Externí odkaz:
https://doaj.org/article/3a5f880e8f6c420a9d2bc1071e255093
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 7, Pp o1699-o1699 (2010)
The title compound, C5H3F3N2O2·H2O, was prepared by the reaction of ethyl 4,4,4-trifluoro-3-oxobutanoate with urea. In the crystal, the 6-(trifluoromethyl)pyrimidine-2,4(1H,3H)-dione and water molecules are linked by N—H...O and O—H...O hydrogen
Externí odkaz:
https://doaj.org/article/66dc330a8a4d40de9ef617736f29c02d
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 7, Pp o1608-o1608 (2011)
Acta Crystallographica Section E: Structure Reports
Acta Crystallographica Section E: Structure Reports
In the crystal structure of the title molecule, C26H32N2O2, the six methyl groups are disordered over two positions, with site-occupancy ratios of 0.665 (8):0.335 (8) and 0.639 (8):0.361 (8). The central pyrimidine ring is almost planar with an r.m.s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b04175b157528a226b0f1ef86f393e87
http://scripts.iucr.org/cgi-bin/paper?S160053681102054X
http://scripts.iucr.org/cgi-bin/paper?S160053681102054X
Publikováno v:
Acta Crystallographica Section E: Structure Reports
Acta Crystallographica Section E, Vol 66, Iss 11, Pp o2852-o2852 (2010)
Acta Crystallographica Section E, Vol 66, Iss 11, Pp o2852-o2852 (2010)
In the title compound, C15H12F3N3O3S, the pyrimidine ring adopts a half-chair conformation with the mean plane formed by the ring atoms excluding the C atom bonded to thiophene-2-carbonyl group lying nearly perpendicular to the pyridine and thiophene
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ed9d4667cbbb780b6fc2acd4158beeb2
https://pubmed.ncbi.nlm.nih.gov/21589037
https://pubmed.ncbi.nlm.nih.gov/21589037
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 7, Pp o1699-o1699 (2010)
Acta Crystallographica Section E: Structure Reports
Acta Crystallographica Section E: Structure Reports
The title compound, C5H3F3N2O2·H2O, was prepared by the reaction of ethyl 4,4,4-trifluoro-3-oxobutanoate with urea. In the crystal, the 6-(trifluoromethyl)pyrimidine-2,4(1H,3H)-dione and water molecules are linked by N—H...O and O—H...O hydrogen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0af78ac1c67035c640959e23a0da4eb5
https://doi.org/10.1107/s1600536810022683
https://doi.org/10.1107/s1600536810022683