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(E)-1-{4-[Bis(4-meth-oxy-phen-yl)meth-yl]piperazin-1-yl}-3-(4-fluoro-phen-yl)prop-2-en-1-one.

ABSTRACT: In the title compound, C(28)H(29)FN(2)O(3), the conformation about the ethene bond is E. The piperazine ring adopts a chair conformation. In the crystal, mol-ecules are linked by inter-molecular C-H⋯O hydrogen bonds.

SUBMITTER: Teng YB

PROVIDER: S-EPMC3051918 | biostudies-literature | 2011 Feb

REPOSITORIES: biostudies-literature

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(E)-1-{4-[Bis(4-meth-oxy-phen-yl)meth-yl]piperazin-1-yl}-3-(4-fluoro-phen-yl)prop-2-en-1-one.

Teng Yan-Bo YB Dai Zhao-Hui ZH Wu Bin B

Acta crystallographica. Section E, Structure reports online 20110223 Pt 3

In the title compound, C(28)H(29)FN(2)O(3), the conformation about the ethene bond is E. The piperazine ring adopts a chair conformation. In the crystal, mol-ecules are linked by inter-molecular C-H⋯O hydrogen bonds. ...[more]

PMID: 21522442

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(E)-1-{4-[Bis(4-fluoro-phen-yl)meth-yl]piperazin-1-yl}-3-(4-eth-oxy-phen-yl)prop-2-en-1-one.

Project description:In the title mol-ecule, C(28)H(28)F(2)N(2)O(2), the ethene bond exhibits an E conformation and the piperazine ring adopts a chair conformation. The amide-N atom of the piperazine ring is almost planar (bond-angle sum = 358.8°) whereas the other N atom is clearly pyramidal (bond-angle sum = 330.5°). The dihedral angle between the fluoro-benzene rings is 76.36 (17)°. In the crystal, inversion dimers linked by pairs of C-H⋯O hydrogen bonds generate R(2) (2)(22) loops.

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(E)-1-{4-[Bis(4-meth-oxy-phen-yl)meth-yl]piperazin-1-yl}-3-(4-eth-oxy-3-meth-oxy-phen-yl)prop-2-en-1-one.

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(E)-3-(2-Eth-oxy-phen-yl)-1-{4-[(2-fluoro-phen-yl)(4-fluoro-phen-yl)meth-yl]piperazin-1-yl}prop-2-en-1-one.

Project description:In the title compound, C(28)H(28)F(2)N(2)O(2), the piperazine ring has a chair conformation with the pendant N-C bonds in equatorial orientations. The C=C double bond has an E conformation and the dihedral angle between the fluoro-benzene rings is 70.8 (3)°. In the crystal, mol-ecules are linked by C-H⋯O and C-H⋯F hydrogen bonds.

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(E)-1-{4-[Bis(4-meth-oxy-phen-yl)meth-yl]piperazin-1-yl}-3-(4-methyl-phen-yl)prop-2-en-1-one.

Project description:In the title mol-ecule, C(29)H(32)N(2)O(3), the piperazine ring has a chair conformation. The amide N atom is almost planar (bond angle sum = 359.5°), whereas the other N atom is clearly pyramidal (bond angle sum = 330.4°). The dihedral angle between the meth-oxy-benzene rings is 81.29?(16)°. In the crystal, mol-ecules are linked by C-H?O hydrogen bonds.

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Project description:In the title mol-ecule, C(29)H(30)Br(2)N(2)O(3), the piperazine ring has a chair conformation and the C=C double bond has an E conformation. The dihedral angle between the bromo-benzene rings is 79.1 (3)°. In the crystal, mol-ecules are linked through C-H⋯O and C-H⋯Br hydrogen bonds.

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Project description:The asymmetric unit of the title compound, C(32)H(38)N(2)O(5)·2C(2)H(6)O, contains one main mol-ecule and two solvent mol-ecules, which inter-act via inter-molecular O-H⋯O hydrogen bonds. The piperazine ring adopts a chair conformation. The crystal packing exhibits weak inter-molecular C-H⋯O hydrogen bonds and voids of 31 Å(3).

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Project description:In the title compound, C(28)H(28)Br(2)N(2)O(2), the C=C double bond has an E configuration and the piperazine ring has a chair conformation, with the N-C bonds in equatorial orientations. The dihedral angle between the bromo-benzene rings is 83.1 (4)°. In the crystal, mol-ecules are linked by C-H⋯O and C-H⋯Br hydrogen bonds.

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(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.

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