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(E)-1-(4-Decyl-oxyphen-yl)-3-(4-hydroxy-phen-yl)prop-2-en-1-one.

ABSTRACT: In the title compound, C(25)H(32)O(3), the asymmetric unit contains two crystallographically independent mol-ecules: both enone groups adopt an s-cis configuration. In the crystal, O-H?O and C-H?O inter-molecular inter-actions form bifurcated hydrogen bonds, which generate R(1) (2)(6) ring motifs. These inter-molecular inter-actions link the mol-ecules into one-dimensional chains along the [10] direction. The crystal structure is further stabilized by C-H?? inter-actions.

SUBMITTER: Razak IA

PROVIDER: S-EPMC2969075 | biostudies-literature | 2009 Mar

REPOSITORIES: biostudies-literature

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(E)-1-(4-Decyl-oxyphen-yl)-3-(4-hydroxy-phen-yl)prop-2-en-1-one.

Razak Ibrahim Abdul IA Fun Hoong-Kun HK Ngaini Zainab Z Fadzillah Siti Muhaini Haris SM Hussain Hasnain H

Acta crystallographica. Section E, Structure reports online 20090328 Pt 4

In the title compound, C(25)H(32)O(3), the asymmetric unit contains two crystallographically independent mol-ecules: both enone groups adopt an s-cis configuration. In the crystal, O-H⋯O and C-H⋯O inter-molecular inter-actions form bifurcated hydrogen bonds, which generate R(1) (2)(6) ring motifs. These inter-molecular inter-actions link the mol-ecules into one-dimensional chains along the [10] direction. The crystal structure is further stabilized by C-H⋯π inter-actions. ...[more]

PMID: 21582591

Similar Datasets

(E)-3-(4-Decyl-oxyphen-yl)-1-(2-hydroxy-phen-yl)prop-2-en-1-one.

Project description:In the title compound, C(25)H(32)O(3), the enone group is in an s-cis configuration. The dihedral angle between the benzene rings is 8.84?(7)°. An intra-molecular O-H?O inter-action between the keto and hydr-oxy groups forms an S(6) ring motif. Inter-molecular C-H?O inter-actions link the mol-ecules into supra-molecular chains along the c axis which are subsequently stacked down the b axis; the crystal structure is further consolidated by C-H?? inter-actions.

| S-EPMC2968804 | biostudies-other

(E)-1-(4-Decyl-oxyphen-yl)-3-(2-hy-droxy-phen-yl)prop-2-en-1-one.

Project description:In the title compound, C(25)H(32)O(3), the enone group adopts an s-cis conformation. The alk-oxy chain is in an all-trans conformation. The dihedral angle between the benzene rings is 7.86?(5)°. In the crystal, mol-ecules are connected by pairs of O-H?O hydrogen bonds, forming inversion dimers and giving R(2) (2)(10) rings. Within these dimers, weak C-H?O hydrogen bonds form two R(2) (2)(7) rings. In the crystal, the approximately planar mol-ecules [largest deviation for an atom being 0.4737?(12)?Å for the terminal C atom of the alk-oxy chain] are arranged in sheets parallel to (20-1). Weak C-H?? inter-actions are also observed.

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(E)-3-(4-Hexyl-oxyphen-yl)-1-(3-hydroxy-phen-yl)prop-2-en-one.

Project description:In the title compound, C(21)H(24)O(3), the enone unit is in the s-cis configuration. The dihedral angle between the benzene rings is 2.18?(4)°. In the crystal, mol-ecules are linked by pairs of O-H?O inter-molecular hydrogen bonds, forming inversion dimers. The crystal structure is also consolidated by C-H?? inter-actions.

| S-EPMC2968884 | biostudies-other

(2E)-3-(3-Benzyl-oxyphen-yl)-1-(2-hydroxy-5-methyl-phen-yl)prop-2-en-1-one.

Project description:In the mol-ecule of the title compound, C(23)H(20)O(3), an intra-molecular O-H?O hydrogen bond generates an S(6) ring. The central benzene ring makes dihedral angles of 80.17?(8) and 16.99?(7)°, respectively, with the benz-yloxy and hy-droxy-methyl phenyl rings. In the crystal, mol-ecules are linked via inter-molecular C-H?O hydrogen bonds to form dimers. The dimers are connected by C-H?O hydrogen bonds and C-H?? inter-actions to form columns down the b axis.

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(E)-3-[4-(Hex-yloxy)phen-yl]-1-(2-hydroxy-phen-yl)prop-2-en-1-one.

Project description:In the title compound, C(21)H(24)O(3), the conformation of the enone group is s-cis. The benzene rings are inclined at an angle of 7.9?(1)°. The alk-oxy tail is planar, with a maximum deviation from the least-squares plane of 0.009?(2)?Å, and adopts a trans conformation throughout. An intra-molecular O-H?O inter-action between the keto and hydr-oxy groups forms S(6) ring motifs. In the crystal, mol-ecules are arranged in a head-to-tail manner down the a axis and are subsequently stacked along the b axis, forming mol-ecular sheets parallel to the ab plane. The crystal structure is further stabilized by weak C-H?? inter-actions and short C?O [3.376?(2)?Å] contacts.

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(E)-3-[4-(Hex-yloxy)phen-yl]-1-(4-hydroxy-phen-yl)prop-2-en-1-one.

Project description:In the title compound, C(21)H(24)O(3), the enone group adopts an s-cis conformation. The planes of the aromatic rings are inclined at an angle of 6.1?(1)°. The alk-oxy tail is not linear, with the maximum deviation from the least-squares plane being 0.375?(2)?Å. Mol-ecules are connected into extended chains along the a axis through O-H?O(carbon-yl) hydrogen bonds and are inter-linked via C-H?O inter-actions to form a two-dimensional array parallel to the ab plane.

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(E)-3-[4-(Dec-yloxy)phen-yl]-1-(4-hydroxy-phen-yl)prop-2-en-1-one.

Project description:In the title compound, C(25)H(32)O(3), the enone group adopts an s-cis conformation. The alk-oxy unit is nearly planar and is in a trans conformation. The two benzene rings make a dihedral angle of 18.87?(9)°. In the crystal structure, mol-ecules are linked into chains running along the a axis by inter-molecular O-H?O hydrogen bonds involving the hydr-oxy and keto groups. The chains are crosslinked along the b axis via C-H?O hydrogen bonds, forming a two-dimensional network parallel to the ab plane.

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(E)-3-(2-Fur-yl)-1-(2-hydroxy-phen-yl)prop-2-en-1-one.

Project description:In the title mol-ecule, C(13)H(10)O(3), an intra-molecular O-H?O hydrogen bond influences the mol-ecular conformation, and the benzene and furan rings form a dihedral angle of 8.35?(7)°. Weak inter-molecular C-H?O hydrogen bonds link mol-ecules into sheets parallel to the bc plane.

| S-EPMC2959741 | biostudies-literature

(2E)-1-(3,5-Di-hydroxy-phen-yl)-3-(4-meth-oxy-phen-yl)prop-2-en-1-one.

Project description:In the title compound, C16H14O4, the benzene rings are inclined to one another by 4.91?(7)°. The conformation about the C=O and C=C bonds is trans and cis, respectively. In the crystal, mol-ecules are linked by O-H?O hydrogen bonds, forming inversion dimers with an R 2 (2)(14) ring motif. The dimers are linked via O-H?O and C-H?O hydrogen bonds, forming undulating two-dimensional networks lying parallel to (10-1). These networks are linked by further C-H?O hydrogen bonds, forming a three-dimensional structure.

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(E)-1-(2,4-Dihy-droxy-phen-yl)-3-(4-hydroxy-phen-yl)prop-2-en-1-one monohydrate.

Project description:In the title compound, C(15)H(12)O(4)·H(2)O, the two benzene rings are not coplanar, making a dihedral angle of 7.24 (16)°. An intra-molecular hy-droxy-carbonyl O-H⋯O hydrogen bond occurs. In the crystal, four inter-molecular O-H⋯O hydrogen bonds involving the hy-droxy residues, the carbonyl group and the water mol-ecule lead to the formation of a three-dimensional network. The supra-molecular structure is further stabilized by weak C-H⋯O inter-actions.

| S-EPMC3052009 | biostudies-literature

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