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N-(2-Hy-droxy-eth-yl)-5-(4-meth-oxy-phen-yl)-4H-pyrazole-3-carboxamide.

ABSTRACT: In the title compound, C(13)H(15)N(3)O(3), the dihedral angle between the benzene and pyrazole rings is 7.7 (1)° and the O-C-C-N torsion angle of the side chain is 74.1 (2)°. In the crystal, mol-ecules are linked by O-H⋯O, N-H⋯O and N-H⋯N hydrogen bonds.

SUBMITTER: Han G

PROVIDER: S-EPMC3297946 | biostudies-literature |

REPOSITORIES: biostudies-literature

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1-(2-Hy-droxy-eth-yl)-3-(3-meth-oxy-phen-yl)thio-urea.

Project description:In the title compound, C(10)H(14)N(2)O(3)S, the 3-meth-oxy-phenyl unit is almost planar, with an r.m.s. deviation of 0.013?Å. The dihedral angle between the benzene ring and the plane of the thio-urea unit is 62.57?(4)°. In the crystal, N-H?O and O-H?S hydrogen bonds link the mol-ecules into a three-dimensional network.

| S-EPMC2983277 | biostudies-literature

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

Project description:In the title compound, C16H12O4, the substituent benzene ring and meth-oxy group are twisted relative to the 4H-chromene skeleton by 24.1?(1) and 61.3?(1)°, respectively. In the crystal, mol-ecules are connected by classical O-H?O and weak C-H?O hydrogen bonds, forming chains parallel to [201]. The 4H-chromene ring systems of adjacent mol-ecules are either parallel or inclined at an angle of 28.9?(1)°.

| S-EPMC3685052 | biostudies-literature

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

Project description:In the title compound, C(16)H(12)O(4), the benzene ring is twisted at an angle of 12.3 (1)° relative to the 4H-chromene skeleton, and an intramolecular O-H⋯O hydrogen bond occurs. The meth-oxy group is almost coplanar with the benzene ring [1.5 (1)°]. In the crystal, inversely oriented mol-ecules are arranged in double (A, A') columns, along the b axis, and are linked by a network of inter-molecular O-H⋯O hydrogen bonds (between A and A') and C-H⋯π contacts (within A or A'). The 4H-chromene cores are parallel within A or A', but make a dihedral angle of 88.6 (1)° between A and A'.

| S-EPMC3051573 | biostudies-literature

1-(2-Hy-droxy-2-phenyl-eth-yl)-3-(4-meth-oxy-phen-yl)urea.

Project description:In the title compound, C(16)H(18)N(2)O(3), the dihedral angle between the 4-meth-oxy-phenyl ring and the urea group is 35.6?(2) °. The H atoms of the urea NH groups are positioned syn to each other. In the crystal, inter-molecular N-H?O and O-H?O hydrogen bonds link the mol-ecules into a two-dimensional array in the ac plane; the carbonyl-O atom is trifurcated.

| S-EPMC3201395 | biostudies-literature

5,7-Dihy-droxy-2-(3-hy-droxy-4,5-dimeth-oxy-phen-yl)-6-meth-oxy-4H-chromen-4-one.

Project description:The title compound, C18H16O8, was isolated from the plant Artemisia baldshuanica Krasch et Zarp. The mol-ecule is approximately planar, with the exception of the terminal methyl groups, the C atoms of which devitate from their attached ring planes by 1.243?(5) and 1.168?(5)?Å. The dihedral angle between the substituted benzopyran and benzene rings is 5.8?(1)°; this near planarity could be due to conjugation or a packing effect. Intra-molecular O-H?O and C-H?O hydrogen bonds occur. In the crystal, mol-ecules are connected by O-H?O hydrogen bonds involving the hy-droxy and carbonyl groups, forming hydrogen-bonded chains along [001] and [1-10]. The chains are linked by C-H?O inter-actions.

| S-EPMC3629625 | biostudies-literature

Structure of 7-hy-droxy-3-(2-meth-oxy-phen-yl)-2-tri-fluoro-meth-yl-4H-chromen-4-one.

Project description:Herein, the synthesis and crystal structure of 7-hy-droxy-3-(2-meth-oxy-phen-yl)-2-tri-fluoro-meth-yl-4H-chromen-4-one, C17H11F3O4, are reported. This isoflavone is used as a starting material in the preparation an array of potent and competitive FPR antagonists. The pyran ring significantly deviates from planarity and the dihedral angle between the benzo-pyran mean plane and that of the exocyclic benzene ring is 88.18?(4)°. In the crystal, O-H?O hydrogen bonds connect the mol-ecules into C(8) chains propagating in the [010] direction.

| S-EPMC5598833 | biostudies-literature

4-(5-Hy-droxy-meth-yl-2-meth-oxy-phen-oxy)benzoic acid.

Project description:The title compound, C(15)H(14)O(5), crystallizes with two independent mol-ecules in the asymmetric unit in which the benzene rings are inclined at dihedral angles of 79.4?(1) and 84.2?(1)°. In the crystal, inter-molecular O-H?O hydrogen bonds link the mol-ecules into double chains propagating in [001].

| S-EPMC3089302 | biostudies-literature

Crystal structure of 2-(3,4-di-meth-oxy-phen-yl)-3-hy-droxy-4H-chromen-4-one.

Project description:In the title compound, C17H14O5, the dimeth-oxy-substituted benzene ring is twisted relative to the 4H-chromenon skeleton (r.m.s. deviation = 0.015 Å) by 5.2 (4)°. The C atoms of the meth-oxy groups lie close to the plane of their attached benzene ring [deviations = 0.036 (3) and 0.290 (3)Å for the meta and para substituents, respectively]. An intra-molecular O-H⋯O hydrogen bond closes an S(5) ring. In the cystal, inversion dimers linked by pairs of O-H⋯O hydrogen bonds generate R 2 (2)(10) loops and C-H⋯O inter-actions connect the dimers into [010] chains.

| S-EPMC4186158 | biostudies-literature

2-(2,5-Dimeth-oxy-phen-yl)-N-[2-(4-hy-droxy-phen-yl)eth-yl]acetamide.

Project description:In the title compound, C(18)H(21)NO(4), the dihedral angles between the acetamide group and the meth-oxy- and hy-droxy-substitured benzene rings are 80.81 (5) and 8.19 (12)°, respectively. The benzene rings are twisted with respect to each other, making a dihedral angle of 72.89 (5)°. In the crystal, N-H⋯O and O-H⋯O hydrogen bonds link the mol-ecules into a three-dimensional network.

| S-EPMC3343941 | biostudies-literature

N-(2,5-Dimeth-oxy-phen-yl)-N'-[4-(2-hy-droxy-eth-yl)phen-yl]urea.

Project description:In the title compound, C(17)H(20)N(2)O(4), the 2,5-dimeth-oxy-phenyl unit is essentially planar, with an r.m.s. deviation of 0.015 Å. The dihedral angle between the benzene rings is 43.66 (4)°. The mol-ecular structure is stabilized by a short intra-molecular N-H⋯O hydrogen bond. In the crystal, inter-molecular N-H⋯O and O-H⋯O hydrogen bonds link the mol-ecules into a three-dimensional network.

| S-EPMC3007839 | biostudies-literature

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