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2,3-Dibromo-3-(4-bromo-phen-yl)-1-[3-(4-meth-oxy-phen-yl)sydnon-4-yl]propan-1-one.

ABSTRACT: In the title compound {systematic name: 4-[2,3-dibromo-3-(4-bromo-phen-yl)propano-yl]-3-(4-meth-oxy-phen-yl)-1,2,3-oxa-dia-zol-3-ylium-5-olate}, C(18)H(13)Br(3)N(2)O(4), the central oxadiazole ring, which is essentially planar with a maximum deviation of 0.016 (3) Å, makes dihedral angles of 29.98 (16) and 52.04 (16)°, respectively, with the terminal bromo-substituted and meth-oxy-substituted benzene rings. An intra-molecular C-H⋯O hydrogen bond generates an S(6) ring motif.

SUBMITTER: Fun HK

PROVIDER: S-EPMC3099938 | biostudies-literature |

REPOSITORIES: biostudies-literature

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2,3-Dibromo-3-(2-bromo-phen-yl)-1-(3-phenyl-sydnon-4-yl)propan-1-one.

Project description:IN THE TITLE COMPOUND [SYSTEMATIC NAME: 2,3-dibromo-3-(2-bromo-phen-yl)-1-(5-oxido-3-phenyl-1,2,3-oxadiazol-3-ium-4-yl)propan-1-one], C(17)H(11)Br(3)N(2)O(3), the oxadiazole ring is essentially planar, with a maximum deviation of 0.003?(1)?Å. The -CHBr-CHBr- chain and bromo-phenyl ring are disordered over two sets of sites with a refined occupany ratio of 0.756?(5):0.244?(5). The central oxadiazole ring makes dihedral angles of 54.07?(11) and 13.76?(18)° with the attached phenyl and the major component of the bromo-substituted benzene rings, respectively. The dihedral angle between the major and minor components of the bromo-phenyl rings is 13.4?(5)°. In the crystal structure, mol-ecules are connected by C-H?O hydrogen bonds, forming [010] ribbons.

| S-EPMC3011624 | biostudies-literature

2,3-Dibromo-1,3-bis-(4-chloro-phen-yl)propan-1-one.

Project description:In the title compound, C(15)H(10)Br(2)Cl(2)O, the terminal benzene rings make a dihedral angle of 31.1?(2)° with each other. In the crystal, mol-ecules are stacked along the a axis and consolidated by C-H?? inter-actions. Short Cl?Cl [3.1140?(17)?Å] and Br?Cl [3.4565?(13)?Å] contacts are observed.

| S-EPMC3011542 | biostudies-literature

2,3-Dibromo-1,3-bis-(4-fluoro-phen-yl)propan-1-one.

Project description:In the title compound, C(15)H(10)Br(2)F(2)O, the dihedral angle between the two 3-fluoro-substituted benzene rings is 5.7 (5)°. The two bromine substituents on the chalcone moiety are close to anti as the Br-C-C-Br torsion angle is 176.9 (7)°. Weak C-Br⋯π inter-actions may contribute to the crystal stability.

| S-EPMC3007578 | biostudies-literature

2,3-Dibromo-3-(4-chloro-phen-yl)-1-(2-hy-droxy-phen-yl)propan-1-one.

Project description:In the title mol-ecule, C(15)H(11)Br(2)ClO(2), an S(6) ring motif is formed via an intra-molecular O-H?O hydrogen bond. The dihedral angle formed between the chloro- and hy-droxy-substituted benzene rings is 34.10?(15)°. In the crystal, weak inter-molecular C-H?O hydrogen bonds link the mol-ecules into chains along the c axis.

| S-EPMC3201456 | biostudies-literature

2,3-Dibromo-3-(4-chloro-phen-yl)-1-(4-nitro-thio-phen-2-yl)propan-1-one.

Project description:The title compound, C(13)H(8)Br(2)ClNO(3)S, exhibits whole-mol-ecule disorder over two orientations in a 0.805?(6):0.195?(6) ratio. The dihedral angles between the thio-phene ring [maximum deviations = 0.017?(4) and 0.033?(9)?Å for the major and minor components, respectively] and the chloro-substituted phenyl ring are 32.1?(5) (major component) and 26.3?(18)° (minor component). In the crystal, C-H?Cl and C-H?O hydrogen bonds link the mol-ecules into sheets lying parallel to the bc plane. Aromatic ?-? stacking inter-actions [centroid-centroid distance = 3.550?(7)?Å] are also observed.

| S-EPMC3435703 | biostudies-literature

2,3-Dibromo-3-(5-nitro-2-fur-yl)-1-(4-nitro-phen-yl)propan-1-one.

Project description:In the title compound, C(13)H(8)Br(2)N(2)O(6), the 2-furyl ring is essentially planar, with a maximum deviation of 0.002?(2)?Å. It is inclined at an angle of 33.94?(9)° to the benzene ring. Both nitro groups are slightly twisted away from their attached rings; the dihedral angles are 4.6?(2)° between the nitro group and the 2-furyl ring, and 13.72?(19)° between the nitro group and the benzene ring. In the crystal, mol-ecules are linked into chains along [110] and [10] via two pairs of inter-molecular C-H?O hydrogen bonds, displaying R(2) (2)(10) ring motifs.

| S-EPMC3011702 | biostudies-literature

2,3-Dibromo-1-[4-(2,3-dibromo-4,5-di-meth-oxy-benz-yl)-2,5-dimeth-oxy-benz-yl]-4,5-dimeth-oxy-benzene.

Project description:The mol-ecule of the title compound, C(26)H(26)Br(4)O(6), is located around a crystallographic inversion center. The dihedral angle between the central benzene ring and the outer benzene ring is 89.26?(1)°.

| S-EPMC3009213 | biostudies-literature

1-Chloro-1-[(4-meth-oxy-phen-yl)hydrazinyl-idene]propan-2-one.

Project description:The non-H atoms of the title compound, C(10)H(11)ClN(2)O(2), lie nearly on a plane (r.m.s. deviation = 0.150?Å), and the C=N double bond has a Z configuration. In the crystal, adjacent mol-ecules are linked by an N-H?O(carbon-yl) hydrogen bond, forming a chain running along [201].

| S-EPMC3212343 | biostudies-literature

1-(4-Chloro-phen-yl)-3-(2-meth-oxy-anilino)propan-1-one.

Project description:In the title compound, C(16)H(16)ClNO(2), the mol-ecule adopts a bowed conformation, with a dihedral angle of 39.9 (2)° between the aromatic rings. In the crystal, mol-ecules are linked by C-H⋯O hydrogen bonds, generating C(6) chains propagating in [010]. Very weak aromatic π-π stacking is also observed [centroid-centroid distance = 4.040 (2) Å].

| S-EPMC3051662 | biostudies-literature

rac-2-Bromo-3-eth-oxy-1,3-bis-(4-methoxy-phen-yl)propan-1-one.

Project description:In the racemic (S,S/R,R) title compound, C(19)H(21)BrO(4), the two benzene rings are almost coplanar to each other, forming a dihedral angle of 3.58 (10)°. The crystal packing is strengthened by inter-molecular Br-O [2.9800 (16) Å] short contacts, which link the molecules into infinite one-dimensional chains along [001].

| S-EPMC2967939 | biostudies-literature

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