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

ABSTRACT: 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.

SUBMITTER: Razak IA

PROVIDER: S-EPMC2969694 | biostudies-literature | 2009 May

REPOSITORIES: biostudies-literature

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

Razak Ibrahim Abdul IA Fun Hoong-Kun HK Ngaini Zainab Z Rahman Norashikin Irdawaty Abd NI Hussain Hasnain H

Acta crystallographica. Section E, Structure reports online 20090529 Pt 6

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. ...[more]

PMID: 21583279

Similar Datasets

(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.

| S-EPMC2969631 | biostudies-literature

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

Project description:In the title compound, C(21)H(24)O(3), the enone moiety adopts an s-cis conformation and the dihedral angle between the benzene rings is 12.89?(6)°. The hex-yloxy tail adopts an extended conformation. In the crystal, inversion dimers are linked by pairs of O-H?O hydrogen bonds and pairs of C-H?O inter-actions, forming two R(2) (2)(7) and one R(2) (2)(10) loops. The dimers are then arranged into sheets lying parallel to (201) and weak C-H?? inter-actions consolidate the packing.

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

Project description:There are two mol-ecules in the asymmetric unit of the title compound, C(21)H(24)O(3), in which the dihedral angles between the aromatic rings are 6.4?(1) and 7.0?(1)°. The enone moiety of both mol-ecules adopts an s-cis configuration. In the crystal, inter-molecular O-H?O and C-H?O inter-actions to the same acceptor O atom generate R(2) (1)(6) ring motifs and further C-H?O inter-actions generate R(2) (2)(8) ring motifs. Topologically, the R(2) (1)(6) and R(2) (2)(8) ring motifs are arranged alternately, forming [001] chains of mol-ecules. The crystal structure is further stabilized by C-H?? inter-actions.

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

Project description:In the title compound, C(27)H(36)O(3), the asymmetric unit consists of two crystallographically independent mol-ecules. The aromatic rings form dihedral angles of 17.1 (2) and 17.6 (2)° in the two molecules. In both mol-ecules, the enone groups adopt an s-cis conformation and the alkoxyl chains are in trans conformations curving out of the zigzag plane. Intra-molecular O-H⋯O hydrogen bonds involving the keto and hydr-oxy groups generate S(6) ring motifs. The mol-ecules are stacked alternately in a head-to-tail fashion along the a axis and the crystal structure is stabilized by weak C-H⋯π inter-actions. The crystal studied was a non-merohedral twin, the ratio of components being 0.788 (2):0.212 (2).

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

Project description:In the crystal structure of the title compound, C(20)H(16)O(4), which is in the enol form, the central benzene ring makes dihedral angles of 63.42 (9) and 5.19 (10)° with the phenyl and furan rings, respectively. There is a short strong intra-molecular O-H⋯O hydrogen bond.

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

Project description:In the title compound, C(21)H(24)O(3), inter-molecular O-H?O and C-H?O inter-actions form bifurcated acceptor bonds, generating R(2) (1)(6) ring motifs. These ring motifs link the mol-ecules into extended chains along [010]. The crystal structure is further stabilized by C-H?? inter-actions.

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(2E)-3-[3-(Benz-yloxy)phen-yl]-1-(2-hy-droxy-phen-yl)prop-2-en-1-one.

Project description:In the title compound, C(22)H(18)O(3), an intra-molecular O-H?O hydrogen bond stabilizes the mol-ecular structure, forming an S(6) ring motif. The central benzene ring forms a dihedral angle of 64.74?(5)° with the phenyl ring and a dihedral angle of 5.58?(5)° with the terminal benzene ring. In the crystal, mol-ecules are linked into columns along the a axis via inter-molecular C-H?O hydrogen bonds. C-H?? inter-actions involving the centroid of the hy-droxy-substituted benzene ring further stabilize the crystal structure.

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

Project description:The title compound, C(20)H(22)O(2), crystallizes with two independent mol-ecules in the asymmetric unit. In each mol-ecule, all the non-H atoms lie in a common plane (r.m.s. deviations of 0.098 and 0.079?Å). There is a ?-? stacking inter-action in the crystal structure. The central aromatic rings of the two mol-ecules, which are stacked head-to-tail one above the other, are separated by centroid-to-centroid distances of 3.872?(13) and 3.999?(10)?Å.

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

Project description:The title compound, C(21)H(17)NO(2), exists in an E conformation with respect to the C=C bond. The pyridine ring forms dihedral angles of 5.57 (7) and 82.30 (9)°, respectively, with the central benzene ring and the terminal phenyl ring. The dihedral angle between the benzene and phenyl rings is 87.69 (8)°. No significant inter-molecular inter-actions are observed.

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