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Crystal structure and Hirshfeld surface analysis of 4-(4-chloro-phen-yl)-5-methyl-3-{4-[(2-methyl-phen-yl)meth-oxy]phen-yl}-1,2-oxazole.

ABSTRACT: In the title compound, C₂₄H₂₀ClNO₂, the mean planes of 4-chloro-phenyl, 2-methyl-phenyl and phenyl-ene rings make dihedral angles of 62.8 (2), 65.1 (3) and 15.1 (2)°, respectively, with the 5-methyl-1,2-oxazole ring. In the crystal, mol-ecules are linked by inter-molecular C-H⋯N, C-H⋯Cl, C-H⋯π contacts and π-π stacking inter-actions between the phenyl-ene groups. Hirshfeld surface analysis indicates that the most important contributions to the crystal packing are from H⋯H (48.7%), H⋯C/C⋯H (22.2%), Cl⋯H/H⋯Cl (8.8%), H⋯O/O⋯H (8.2%) and H⋯N/N⋯H (5.1%) inter-actions.

SUBMITTER: Aydin A

PROVIDER: S-EPMC8025860 | biostudies-literature |

REPOSITORIES: biostudies-literature

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5-(3-Meth-oxy-phen-yl)-3-phenyl-1,2-oxazole.

Project description:In the title compound, C16H13NO2, the isoxazole ring makes dihedral angles of 17.1 (1)° with the 3-meth-oxy-phenyl ring and 15.2 (1)° with the phenyl group. Centrosymmetric dimers that are realised by pairs of C-H⋯π inter-actions are observed in the crystal structure.

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Crystal structure of 2-[chloro-(4-meth-oxy-phen-yl)meth-yl]-2-(4-meth-oxy-phen-yl)-5,5-di-methyl-cyclo-hexane-1,3-dione.

Project description:In the title compound, C23H25ClO4, the cyclo-hexane ring adopts a chair conformation with the 4-meth-oxy-phenyl substituent in an axial position and the chloro-(4-meth-oxy-phen-yl)methyl substituent in an equatorial position. The packing features inversion dimers formed by pairs of C-H⋯O contacts and strands along [100] and [010] established by further C-H⋯O and C-H⋯Cl contacts, respectively.

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Project description:The title compound, C(15)H(12)ClNO, is a functionalized 1,2-benzoxazole with a chloro-(phen-yl)methyl substituent. The mol-ecule is V-shaped, the dihedral angle between the mean plane of the 1,2-benzoxazole system [maximum deviation = 0.023?(3)?Å for the N atom] and the phenyl ring being 70.33?(14)°. There are no hydrogen-bonding inter-actions in the crystal structure, which is stabilized by van der Waals inter-actions only.

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Crystal structures of methyl (E)-3-(2-chloro-phen-yl)-2-({2-[(E)-2-nitro-vin-yl]phen-oxy}meth-yl)acrylate and methyl (E)-2-({4-chloro-2-[(E)-2-nitro-vin-yl]phen-oxy}meth-yl)-3-(2-chloro-phen-yl)acrylate.

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Crystal structure and Hirshfeld surface analysis of (<i>E</i>)-1-[2,2-di-chloro-1-(4-methyl-phen-yl)ethen-yl]-2-(4-meth-oxy-phen-yl)diazene.

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| S-EPMC8423004 | biostudies-literature

Crystal structure of 2-(4-chloro-phen-yl)-3-(4-meth-oxy-phen-yl)-3-(methyl-sulfanyl)-acrylo-nitrile.

Project description:In the title compound, C17H14ClNOS, the aromatic rings are inclined to one another by 64.22?(9)°. The acrylo-nitrile group (C=C-C N) is planar to within 0.003?(2)?Å, with the S atom and the methyl C atom displaced from this plane by 0.2317?(6) and -0.637?(2)?Å, respectively. In the crystal, mol-ecules are linked via pairs of C-H?? inter-actions, forming inversion dimers. There are no other significant inter-molecular inter-actions present.

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Crystal structure and Hirshfeld surface analysis of 2-chloro-<i>N</i>-(4-meth-oxy-phen-yl)acetamide.

Project description:In the title mol-ecule, C9H10ClNO2, the meth-oxy group lies very close to the plane of the phenyl ring while the acetamido group is twisted out of this plane by 28.87 (5)°. In the crystal, a three-dimensional structure is generated by N-H⋯O, C-H⋯O and C-H⋯Cl hydrogen bonds plus C-H⋯π(ring) inter-actions. A Hirshfeld surface analysis of the inter-molecular inter-actions was performed and indicated that C⋯H/H⋯C inter-actions make the largest contribution to the surface area (33.4%).

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Crystal structure of ethyl 3-(4-chloro-phen-yl)-5-[(E)-2-(di-methyl-amino)-ethen-yl]-1,2-oxazole-4-carboxyl-ate.

Project description:In the title compound, C16H17ClN2O3, two mol-ecules, A and B, with different conformations, comprise the asymmetric unit. In mol-ecule A, the C=O group of the ester points away from the benzene ring [C-C-C=O = -170.8?(3)°], whereas in mol-ecule B, it points back towards the benzene ring [C-C-C=O = 17.9?(4)°]. The dihedral angles betweeen the oxazole and benzene rings also differ somewhat [46.26?(13) for mol-ecule A and 41.59?(13) for mol-ecule B]. Each mol-ecule features an intra-molecular C-H?O inter-action, which closes an S(6) ring. In the crystal, the B mol-ecules are linked into [001] C(12) chains by weak C-H?Cl inter-actions.

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5-(3-Methyl-phen-yl)-3-phenyl-1,2-oxazole.

Project description:In the title compound, C(16)H(13)NO, the isoxazole ring makes dihedral angles of 16.64?(7)° with 3-methyl-phenzyl ring and 17.60?(7)° with the unsubstituted phenyl ring.

| S-EPMC3151775 | biostudies-literature

2-[(4-Chloro-phen-yl)sulfan-yl]-2-meth-oxy-1-phenyl-ethan-1-one: crystal structure and Hirshfeld surface analysis.

Project description:The title compound, C15H13ClO2S, comprises (4-chloro-phen-yl)sulfanyl, benzaldehyde and meth-oxy residues linked at a chiral methine-C atom (the crystal is racemic). A twist in the methine-C-C(carbon-yl) bond [O-C-C-O torsion angle = 19.3 (7)°] leads to a dihedral angle of 22.2 (5)° between the benzaldehyde and methine+meth-oxy residues. The chloro-benzene ring is folded to lie over the O atoms, with the dihedral angle between the benzene rings being 42.9 (2)°. In the crystal, the carbonyl-O atom accepts two C-H⋯O inter-actions with methyl- and methine-C-H atoms being the donors. The result is an helical supra-molecular chain aligned along the c axis; chains pack with no directional inter-actions between them. An analysis of the Hirshfeld surface points to the important contributions of weak H⋯H and C⋯C contacts to the mol-ecular packing.

| S-EPMC5947492 | biostudies-literature

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