Methyl 4-amino-2-chloropyrimidine-5-carboxylate
نویسنده
چکیده
In the title compound, C6H6ClN3O2, all non-H atoms are approximately coplanar [maximum deviation = 0.012 (4) Å]; an intra-molecular N-H⋯O hydrogen bond occurs between the amino group and the carbonyl group. In the crystal, mol-ecules are linked by N-H⋯N hydrogen bonds into supra-molecular chains propagated along [101].
منابع مشابه
tert-Butyl 4-(1-methyl-1H-pyrazol-5-yl)piperidine-1-carboxylate
The reaction of (E)-tert-butyl 4-[3-(dimethyl-amino)acrylo-yl]piperidine-1-carboxyl-ate with methyl-hydrazine leads to the formation of the title compound, C(14)H(23)N(3)O(2), with a 1-methyl-1H-pyrazol-5-yl substituent. The plane of the pyrazole ring forms a dihedral angle of 33.4 (1)° with the approximate mirror plane of the piperidine ring.
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The title compound, C12H12BrNO4S2, was obtained by the Sandmeyer reaction from ethyl 3-amino-4-cyano-5-[(2-eth-oxy-2-oxoeth-yl)sulfan-yl]thio-phene-2-carboxyl-ate. The dihedral angle between the thiophene ring and linked CO2 ester group is 2.0 (5)°.
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The pyran ring of the title compound, C(13)H(18)N(2)O(3), is almost planar (r.m.s. deviation = 0.059 Å). The crystal packing is stabilized by N-H⋯O and N-H⋯N hydrogen bonds.
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In the title compound, C(26)H(23)ClFN(5)O(2)S(2), the mean plane of the guanidine fragment makes dihedral angles of 58.94 (13), 78.37 (17) and 50.76 (15)°, respectively, with the attached thia-zole, pyridine and phenyl rings. The crystal structure features N-H⋯S and C-H⋯O hydrogen bonds and weak π-π stacking inter-actions [centroid-centroid separation = 3.7702 (17) Å]. The terminal methyl group...
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In the title compound, C(31)H(29)NO(5), the methyl carboxyl-ate and dimethyl-amino groups on the naphtho-pyran group are almost coplanar with the naphtho-pyran ring system [r.m.s. deviations = 0.08 (2) and 0.161 (2) Å, respectively]. The dihedral angle between the methyl carboxyl-ate and dimethyl-amino groups is 4.9 (1)°. The pyran ring has an envelope conformation with the quaternary C atom ou...
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