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1-(Adamantan-1-yl)-3-(4-meth-oxy-phenyl)prop-2-en-1-one.

ABSTRACT: The title mol-ecule, C(20)H(24)O(2), is a chalconoid derivative in which the keto-enone group is slightly distorted from planarity; the O=C-C=C torsion angle is 12.24 (13)°.

SUBMITTER: Nguyen TM

PROVIDER: S-EPMC3414983 | biostudies-literature |

REPOSITORIES: biostudies-literature

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

Project description:In the title compound, C17H16O3, the dihedral angle between the mean planes of the benzene rings is 57.1 (1)°. The mean plane of the ketone group is twisted by 10.0 (5)° from that of the di-meth-oxy-phenyl ring. The two di-meth-oxy-phenyl groups are twisted slighly from the mean plane of the phenyl ring, with C-O-C-C torsion angles of 6.4 (2) and -7.9 (2)° [r.m.s. deviations = 0.15 (3) and 0.18 (3) Å for the two methoxy C atoms]. In the crystal, weak centroid-centroid π-π stacking inter-actions, with inter-centroid distances of 3.8939 (11) and 3.9430 (10) Å are observed.

| S-EPMC3998479 | biostudies-literature

(E)-1-[2-Hy-droxy-4,6-bis-(meth-oxy-meth-oxy)phen-yl]-3-phenyl-prop-2-en-1-one.

Project description:The title compound, C19H20O6, consists of a tetra-substituted benzene ring with one substituent being an ?,?-unsaturated cinnamoyl group, which forms an extended conjugated system in the mol-ecule. In addition, two meth-oxy-meth-oxy and one hy-droxy group are bonded to the central benzene ring. The dihedral angle between eh rings is 10.22?(10)°. An intra-molecular hydrogen bond is observed between the hy-droxy group and the carbonyl O atom. One of the meth-oxy-meth-oxy substituents is conformationally disordered over two sets of sites with site-occupation factors of 0.831?(3) and 0.169?(3).

| S-EPMC3648248 | biostudies-literature

2-Meth-oxy-4-(prop-2-en-1-yl)phenyl benzoate.

Project description:In the title compound, C17H16O3, the benzene rings are twisted by 63.54?(5)°. The twist is similar to that found in the unsubstituted compound, phenyl benzoate. The crystal packing features C-H?O hydrogen bonds.

| S-EPMC3770366 | biostudies-literature

(E)-1-[2-Hy-droxy-4,6-bis-(meth-oxy-meth-oxy)phen-yl]-3-[3-meth-oxy-4-(meth-oxy-meth-oxy)phen-yl]prop-2-en-1-one.

Project description:The title compound, C(22)H(26)O(9), crystallizes with two independent mol-ecules in the asymmetric unit in which the dihedral angles between the two benzene rings are 21.4?(2) and 5.1?(2)°. An intra-molecular O-H?O hydrogen bond occurs in each mol-ecule. Inter-molecular C-H?O hydrogen bonds stabilize the crystal structure.

| S-EPMC3247344 | biostudies-literature

2-Meth-oxy-4-(prop-2-en-1-yl)phenyl 2,4-di-chloro-benzoate.

Project description:In the title compound, C17H14Cl2O3, the two benzene rings are twisted by 73.6?(2)°. The twist is similar to that found in the unsubstituted compound, viz. phenyl benzoate. In the crystal, inversion dimers are linked by pairs of C-H?O inter-actions.

| S-EPMC3770367 | biostudies-literature

(E)-3-[4-(Di-fluoro-meth-oxy)-3-hy-droxy-phen-yl]-1-phenyl-prop-2-en-1-one.

Project description:In the title compound, C16H12F2O3, the plane of the phenyl ring makes a dihedral angle of 3.22?(8)° with that of the benzene ring. The mol-ecule has an E conformation about the C=C bond. In the crystal, mol-ecules are linked via pairs of O-H?O hydrogen bonds, forming inversion dimers which are further consolidated by a pair of C-H?O hydrogen bonds. The dimers are linked via C-H?O hydrogen bonds, forming columns along the b-axis direction.

| S-EPMC3648329 | biostudies-literature

(E)-1-Phenyl-3-[4-(trifluoro-meth-yl)phen-yl]prop-2-en-1-one.

Project description:In the title compound, C(16)H(11)F(3)O, the dihedral angle between the two rings is 48.8 (2)°. The crystal packing exhibits no classical inter-molecular inter-actions between the mol-ecules.

| S-EPMC3435762 | biostudies-literature

(E)-1-(4-Meth-oxy-phen-yl)-3-(2,4,6-trimeth-oxy-phen-yl)prop-2-en-1-one.

Project description:In the title compound, C(19)H(20)O(5), the dihedral angle between the two aromatic rings is 18.23?(4)°. The crystal structure exhibits only weak C-H?? and C-H?O contacts between the mol-ecules.

| S-EPMC3120626 | biostudies-literature

(E)-1-(4-Meth-oxy-phen-yl)-3-(3,4,5-trimeth-oxy-phen-yl)prop-2-en-1-one.

Project description:The title compound, C(19)H(20)O(5), was synthesized by reaction of 4-meth-oxy-acetophenone and 3,4,5-trimeth-oxy-benzaldehyde. The aromatic rings form a dihedral angle of 36.39?(7)°. Two intramolecular C-H?O hydrogen bonds occur. The crystal packing features weak C-H?O inter-actions.

| S-EPMC3213567 | biostudies-literature

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

Project description:In the title mol-ecule, C18H18O4, the dihedral angle between the benzene rings is 52.52?(7)°. The C=C bond of the central enone group adopts a trans conformation. The relative conformation of the two double bonds in the enone group is s-transoid. In the crystal, mol-ecules are linked by pairs of weak C-H?O hydrogen bonds, forming inversion dimers.

| S-EPMC3629573 | biostudies-literature

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