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3-(4-Bromo-phen-yl)-4-(4-hy-droxy-anilino)furan-2(5H)-one.

ABSTRACT: In the title compound, C(16)H(12)BrNO(3), the butyrolactone core adopts the furan-2(5H)-one structure and forms dihedral angles of 44.80 (17) and 65.73 (18)° with the bromo-benzene and phenol rings, respectively. In the crystal, N-H⋯O and O-H⋯O hydrogen bonds link the mol-ecules, generating R(4) (3)(26) loops The edge-fused rings extend to form a chain running along the b-axis direction and C-H⋯π contacts help to consolidate the packing.

SUBMITTER: Peng W

PROVIDER: S-EPMC3200956 | biostudies-literature |

REPOSITORIES: biostudies-literature

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3-(2-Chloro-phen-yl)-4-hy-droxy-furan-2(5H)-one.

Project description:In the title mol-ecule, C(10)H(7)ClO(3), the butyrolactone core, a furan-2(5H)-one, forms a dihedral angle of 59.21 (5)° with the benzene ring. In the crystal, two types of hydrogen bonds (O-H⋯O and C-H⋯Cl) link mol-ecules into infinite chains along the b axis. π-π contacts [centroid-centroid distances = 3.6359 (10) and 3.8776 (11) Å] link the chains into a three-dimensional network.

| S-EPMC3239062 | biostudies-literature

3-(4-Bromo-phen-yl)-4-[2-(4-nitro-phen-yl)hydrazin-yl]furan-2(5H)-one.

Project description:In the title compound, C(16)H(12)BrN(3)O(4), the furan-2(5H)-one ring forms a dihedral angle of 33.19?(9)° with the 4-bromo-benzene unit and is nearly perpendicular to the 4-nitro-benzene segment, making a dihedral angle of 89.93?(10)°. In the crystal, N-H?O hydrogen bonds link the mol-ecules, generating an infinite chain along [010]. The chains are linked into a three-dimensional network by C-H?O, C-H?? and ?-? contacts [centroid-centroid separation = 3.805?(2)?Å].

| S-EPMC3247473 | biostudies-literature

3-(3,4-Dimeth-oxy-phen-yl)-4-(2-meth-oxy-anilino)furan-2(5H)-one.

Project description:In the title compound, C(19)H(19)NO(5), the furan-one unit makes a dihedral angle of 30.93 (6)° with the benzene ring and a dihedral angle of 9.51 (6)° with the aniline ring. In the crystal, inter-molecular C-H⋯O hydrogen bonds and C-H⋯π contacts link the mol-ecules into sheets. A weak intramolecular hydrogen bond is also observed.

| S-EPMC3200623 | biostudies-literature

2-(4-Bromo-phen-yl)-3-(4-hy-droxy-phen-yl)-1,3-thia-zolidin-4-one.

Project description:In the title compound, C(15)H(12)BrNO(2)S, the dihedral angle between the two aromatic rings is 87.81?(8)°. The five-membered thia-zolidine ring has an envelope conformation, with the S atom displaced by 0.4545?(7)?Å from the mean plane of the other four ring atoms. The crystal structure exhibits O-H?O, C-H?O, C-H?Br and C-H? ? inter-actions.

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2-Anilino-3-(2-hy-droxy-phen-yl)quinazolin-4(3H)-one methanol monosolvate.

Project description:In the title compound, C(20)H(15)N(3)O(2)·CH(3)OH, the quinazolin-one ring system is approximately planar, the dihedral angle between the pyrimidinone ring and the adjacent benzene ring being 1.73 (6)°. The pyrimidinone ring makes dihedral angles of 77.58 (6) and 29.62 (6)°, respectively, with the hy-droxy-phenyl and phenyl rings. In the crystal, the components are connected by O-H⋯O and C-H⋯O hydrogen bonds, forming a zigzag chain along the b axis.

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9-(3-Bromo-5-chloro-2-hy-droxy-phen-yl)-10-(2-hy-droxy-eth-yl)-3,6-diphenyl-3,4,9,10-tetra-hydro-acridine-1,8(2H,5H)-dione.

Project description:In the title compound, C33H27BrClNO4, the di-hydro-pyridine ring adopts a flattened boat conformation. The mol-ecular conformation is stabilized by an intra-molecular O-H?O hydrogen bond, with an S(8) ring motif. In the crystal, O-H?O, C-H?O and C-H?Cl hydrogen bonds, and C-H?? inter-actions link the mol-ecules, forming a three-dimensional network. In the acridinedione ring system, the two ring C atoms at the 2- and 3-positions, and the C atom at the 6-position and the atoms of the phenyl ring attached to the C atom at the 6-position are disordered over two sets of sites with occupancy ratios of 0.783?(5):0.217?(5) and 0.526?(18):0.474?(18), respectively.

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3-Hy-droxy-2-(4-hy-droxy-phen-yl)-4H-chromen-4-one.

Project description:In the title compound, C(15)H(10)O(4), the benzene ring is twisted at an angle of 20.7 (1)° relative to the 4H-chromene skeleton. In the crystal, adjacent mol-ecules are linked via a network of O-H⋯O and C-H⋯O hydrogen bonds. The mean planes of adjacent 4H-chromene moieties are parallel or oriented at an angle of 20.9 (1)° in the crystal structure.

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2-Anilino-3-(2-hy-droxy-phen-yl)quinazolin-4(3H)-one-triphenyl-phosphine oxide (1/1).

Project description:In the title compound, C(20)H(15)N(3)O(2)·C(18)H(15)OP, the pyrimidinone heterocycle and the fused phenyl ring are inclined at 1.92 (7)°. Only the hy-droxy group is involved in hydrogen bonding, whereas the amino group is shielded from potential acceptors.

| S-EPMC2983302 | biostudies-literature

(E)-1-(5-Bromo-2-hy-droxy-phen-yl)-3-[4-(dimethyl-amino)-phen-yl]prop-2-en-1-one.

Project description:In the title compound, C(17)H(16)BrNO(2), the two benzene rings make a dihedral angle of 7.4 (3)°; the hy-droxy group links to the carbonyl group via an intra-molecular O-H⋯O hydrogen bond. In the crystal, weak C-H⋯O inter-actions link the mol-ecules into a supra-molecular chain running along the c axis.

| S-EPMC3344563 | biostudies-literature

(2S,3R)-3-(2-Bromo-phen-yl)-2-nitro-2,3,6,7-tetra-hydro-1-benzo-furan-4(5H)-one.

Project description:The title compound, C14H12BrNO4, has two chiral C atoms. The C atom next to the O atom in the di-hydro-furan ring has an S configuration, while the adjacent chiral C atom has an R configuration. The cyclo-hex-2-enone and di-hydro-furan rings both adopt envelope conformations, with the flap atoms (middle CH2 in cyclo-hex-2-enone and NO2-substituted C in di-hydro-furan) lying 0.612?(3) and 0.295?(2)?Å, respectively, from the mean plane of the remaining atoms. The dihedral angle between the mean planes of the furan and benzene rings is 80.0?(3)°. In the crystal, the mol-ecules are linked by C-H?O inter-actions, generating a three-dimensional network.

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