(4-Fluorophenyl)[6-(2-furyl)-7-nitro-2,3,4,6,7,8-hexahydro-1H-pyrido[1,2-a]pyrimidin-9-yl]methanone
نویسندگان
چکیده
In the title compound, C(19)H(18)FN(3)O(4), the fused pyridine and pyrimidine rings adopt half-chair conformations. The structure displays intra-molecular N-H⋯O and inter-molecular N-H⋯F hydrogen bonding.
منابع مشابه
[6-(Furan-2-yl)-7-nitro-2,3,4,6,7,8-hexahydro-1H-pyrido[1,2-a]pyrimidin-9-yl](phenyl)methanone
The asymmetric unit of the title compound, C19H19N3O4, contains two mol-ecules with very few conformational differences; a C atom in the pyrimidine ring in one of the mol-ecules is disordered in a 0.688 (15):0.312 (15) ratio. In both mol-ecules, the fused pyridine and pyrimidine rings adopt half-chair conformations. The dihedral angles between the furan and benzene rings are 81.00 (13) and 84.9...
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New series of 2-hydrazino-7,8-dihydro-6H-cyclopenta[5,6] pyrido[2,3-d]pyrimidines and its 1,7,8,9-tetrahydrocyclopenta[5,6]pyrido[2,3-d][1,2,4]triazolo[4,3-a]pyrimidine, 1,7,8,9-tetrahydrocyclopenta[5,6]pyrido[2,3-d][1,2,3,4]tetrazolo[4,5-a]pyrimidine, 8,9-dihydro-7H-cyclopenta[5,6]pyrido[2,3-d]imidazolo[1,2-a]pyrimidine, 2-(pyrazol-1-yl)-7,8-dihydro-6H-cyclopenta[5,6]pyrido[2,3-d]pyrimidine de...
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In the title compound, C(18)H(17)N(3)O(4), the furyl and phenyl rings are inclined at almost right angles [85.77 (7) and 63.25 (7)°, respectively] to the central imidazo[1,2-a]pyridinyl unit. The structure displays both inter- and intra-molecular N-H⋯O hydrogen bonding.
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عنوان ژورنال:
دوره 65 شماره
صفحات -
تاریخ انتشار 2009