2-Chloro-7,8-dimethylquinoline-3-carbaldehyde
نویسندگان
چکیده
All the non-H atoms of the title compound, C(12)H(10)ClNO, lie on a crystallographic mirror plane orientated perpendicular to the crystallographic b axis.
منابع مشابه
2-Chloro-3-hydroxymethyl-7,8-dimethylquinoline
All non-H atoms of the title compound, C(12)H(12)ClNO, are co-planar (r.m.s. deviation = 0.055 Å). The hydr-oxy H atom is disordered over two positions of equal occupancy. In the crystal, mol-ecules are linked by O-H⋯O hydrogen bonds, generating zigzag chains running along the b axis.
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There are two independent mol-ecules in the asymmetric unit of the title compound, C(11)H(9)Cl(2)N, both of which are essentially planar [maximum deviations of 0.072 (5) and 0.072 (7) Å]. In the crystal structure, weak π-π stacking inter-actions [centroid-centroid distances = 3.791 (3) Å and 3.855 (3) Å] link pairs of mol-ecules.
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In the title compound, C(19)H(12)Cl(2)F(3)N(3)O(2)S, the 3-chloro-phenyl and 4-chloro-phenyl rings form dihedral angles 89.5 (2) and 11.4 (2)°, respectively, with the pyrazole ring. In the crystal, mol-ecules related by translation along the a axis are linked into chains via C-H⋯N hydrogen bonds.
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Benzotiazole and pyrimidine have been reported to act as effective pharmacophores. However, much less work as been carried out on these heterocycles fused with each other. In the present study, we report the synthesis of a series of 8-chloro-3(phenylcarbonoimidoyl)-10a-H-pyrimido [2,1-b][1,3]benzothiazole-2-thiol. This series was synthesized by the reaction of 8-chloro-2-sulfanyl-10a-H-pyrimido...
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The quinoline fused-ring system of the title compound, C(11)H(8)ClNO(2), is planar (r.m.s. deviation = 0.0095 Å); the formyl group is slightly bent out of this plane [C-C-C-O torsion angles = -2.4 (3) and 175.9 (2)°].
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عنوان ژورنال:
دوره 65 شماره
صفحات -
تاریخ انتشار 2009