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3-(2,4-Dichloro-phen-yl)-5-methyl-1,2,4-oxadiazole.

ABSTRACT: In the title compound, C(9)H(6)Cl(2)N(2)O, the dihedral angle between the oxadiazole and benzene rings is 1.7 (2)°. In the crystal, the mol-ecules are linked into chains along the b axis by short inter-molecular Cl⋯O contacts [3.019 (3) Å].

SUBMITTER: Fun HK

PROVIDER: S-EPMC2983957 | biostudies-literature | 2010 Mar

REPOSITORIES: biostudies-literature

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3-(2,4-Dichloro-phen-yl)-5-methyl-1,2,4-oxadiazole.

Fun Hoong-Kun HK Rosli Mohd Mustaqim MM Rai Sankappa S Isloor Arun M AM Shetty Prakash P

Acta crystallographica. Section E, Structure reports online 20100306 Pt 4

In the title compound, C(9)H(6)Cl(2)N(2)O, the dihedral angle between the oxadiazole and benzene rings is 1.7 (2)°. In the crystal, the mol-ecules are linked into chains along the b axis by short inter-molecular Cl⋯O contacts [3.019 (3) Å]. ...[more]

PMID: 21580616

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3-(2,4-Dichloro-phen-yl)-5-phenyl-1,2,4-oxadiazole.

Project description:In the title compound, C(14)H(8)Cl(2)N(2)O, the dihedral angles between the plane of the oxadiazole ring and those of the benzene rings are 2.3 (1) and 9.5 (1)°. In the crystal, mol-ecules are linked into chains along the c axis by C-H⋯Cl inter-actions. These chains are stacked along the a axis.

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5-(2,4-Dichloro-phen-yl)-3-(4-nitro-phen-yl)-1,2,4-oxadiazole.

Project description:In the title compound, C(14)H(7)Cl(2)N(3)O(3), the dichloro-phenyl and nitro-phenyl rings form dihedral angles of 5.4 (2) and 4.0 (2)°, respectively, with the oxadiazole ring. The nitro group is twisted out of the attached benzene ring by a dihedral angle of 10.4 (3)°. In the crystal, mol-ecules are linked into a chain along the a axis by C-H⋯N hydrogen bonds.

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(1H-1,2,4-Triazol-1-yl)methyl 2-(2,4-dichloro-phen-oxy)acetate.

Project description:In the title compound, C(11)H(9)Cl(2)N(3)O(3), the triazole and benzene rings are roughly parallel to one another [dihedral angle = 4.99 (2)°] because the C-O-C-C-O chain that links the two rings is folded [O-C-C-O = 8.60 (2)°] rather than fully extended. In the crystal, weak inter-molecular C-H⋯N and C-H⋯O inter-actions are present, and π-π inter-actions are indicated by the short distances [3.749 (3) Å] between the centroids of the triazole and benzene rings.

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2,4-Dichloro-N-(3-methyl-phen-yl)benzene-sulfonamide.

Project description:In the title compound, C(13)H(11)Cl(2)NO(2)S, the conformations of the N-C bonds in the C-SO(2)-NH-C segments have gauche torsions with respect to the S=O bonds. The dihedral angle between the two benzene rings is 68.6 (1)°. The crystal structure features inversion dimers linked by pairs of N-H⋯O hydrogen bonds.

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Project description:The mol-ecule of the title compound, C(13)H(11)Cl(2)NO(2)S, is bent at the S atom with a C-SO(2)-NH-C torsion angle of -69.07 (16)°. The sulfonyl and aniline rings are rotated relative to each other by 53.0 (1)°. In the crystal, pairs of N-H⋯O(S) hydrogen bonds link the mol-ecules into centrosymmetric dimers.

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Project description:In the title compound, C(13)H(11)Cl(2)NO(2)S, the methyl-substituted aromatic ring is disordered over two positions [occupancy ratio 0.705 (5):0.295 (5)]. The dihedral angles between the two aromatic rings are 74.9 (1) and 71.0 (3)° in the two disorder components. The crystal structure features centrosymmetric dimers linked by pairs of N-H⋯O hydrogen bonds.

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Project description:The title compound, C(13)H(11)Cl(2)NO(2)S, crystallizes with four independent mol-ecules in the asymmetric unit. In each of the four mol-ecules, the conformation of the N-C bond in the C-SO(2)-NH-C segment is gauche with respect to both S=O bonds. The mol-ecules are twisted at the S-N bonds with C-SO(2)-NH-C torsion angles of 60.6 (4), -59.7 (3), 63.9 (4) and 53.0 (4)°. The benzene rings in two of the mol-ecules are disordered with multiple positions resolved in each case. The crystal structure features inversion dimers linked by pairs of N-H⋯O hydrogen bonds for each of the four molecules.

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(E)-2-[(2,4-Dichloro-phen-yl)imino-methyl]-6-methyl-phenol.

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(Z)-Methyl 3-(2,4-dichloro-phen-yl)-2-[(2-formyl-phen-oxy)meth-yl]acrylate.

Project description:In the title compound, C(18)H(14)Cl(2)O(4), the mean planes of the methyl acrylate unit and the phenyl ring of the benzaldehyde are approximately orthogonal to each other, making a dihedral angle of 83.31?(6)°. The O atom of the aldehyde group is displaced significantly from the phenyl ring plane by 0.226?(2)?Å. The methyl acrylate group adopts an E conformation. In the crystal, inversion dimers linked by pairs of C-H?O hydrogen bonds generate R(2) (2)(24) loops.

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1-(2,4-Dichloro-phen-yl)-3-(4-methyl-phen-yl)prop-2-en-1-one.

Project description:The mol-ecule of the title compound, C(16)H(12)Cl(2)O, adopts an E configuration. The dihedral angle between the two benzene rings is 42.09 (5)°. In the crystal structure, mol-ecules are linked into a three-dimensional framework by weak C-H⋯O inter-actions and by C-H⋯π inter-actions involving the methyl-phenyl ring.

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