Ethyl 6-methyl-8-phenyl-1,2,4-triazolo[1,5-a]pyridine-7-carboxylate
نویسندگان
چکیده
منابع مشابه
Ethyl 6-methyl-8-phenyl-1,2,4-triazolo[1,5-a]pyridine-7-carboxylate
In title compound, C16H15N3O2, the 1,2,4-triazolo[1,5-a]pyridine ring system is almost planar (r.m.s. deviation = 0.0068 Å) and forms a dihedral angle of 61.4 (3)° with the phenyl ring. In the structure, centrosymmetrically related mol-ecules are linked into dimers by pairs of C-H⋯N hydrogen bonds.
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In the title compound, C15H14N4O2, the triazolo-pyrimidine ring system is almost planar (r.m.s. deviation = 0.02 Å) and the phenyl ring is inclined to its mean plane by 42.45 (9)°. The carboxyl group is inclined to the triazolo-pyrimidine ring mean plane by 57.8 (3)°. In the mol-ecule, there is a short C-H⋯O contact involving the carbonyl O atom and an H atom of the adjacent methyl substituent....
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In the title compound, C(20)H(22)N(2)O(4)S, the central pyrimidine ring incorporating a chiral C atom is significantly puckered and adopts a slight boat conformation with C atom bearing the phenyl ring and the N atom opposite displaced by 0.367 (2) and 0.107 (2) Å, respectively, from the plane formed by the remaining ring atoms. The benzene ring is positioned axially to the pyrimidine ring, mak...
متن کاملEthyl 7-Methyl-1-(4-nitrophenyl)-5-phenyl-3- (thiophen-2-yl)-1,5-dihydro-[1,2,4]triazolo [4,3-a]pyrimidine-6-carboxylate
A novel compound, ethyl 7-methyl-1-(4-nitrophenyl)-5-phenyl-3-(thiophen-2-yl)-1,5dihydro[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylate (7) was synthesized by reaction of N-(4nitrophenyl)thiophene-2-carbohydrazonoyl chloride (1) with ethyl 6-methyl-4-phenyl-2-thioxo1,2,3,4-tetrahydropyrimidine-5-carboxylate (2). The mechanism of the studied reaction is discussed and the assigned structure was co...
متن کاملEthyl 8-(2,4-dichlorophenyl)-6-methyl-1,2,4-triazolo[1,5-a]pyridine-7-carboxylate
In the title compound, C16H13Cl2N3O2, the carboxyl-ate group and the benzene ring attached to the central 1,2,4-triazolo[1,5-a]pyridine bicycle are twisted from its mean plane by 55.6 (1) and 72.6 (1)°, respectively. In the crystal, weak C-H⋯O inter-actions link the mol-ecules into zigzag chains propagating in [100].
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2013
ISSN: 1600-5368
DOI: 10.1107/s1600536813031152