(E)-1-{4-[Bis(4-bromo­phen­yl)meth­yl]piperazin-1-yl}-3-(4-eth­oxy­phen­yl)prop-2-en-1-one

نویسندگان

  • Yan Zhong
  • XiaoPing Zhang
  • Bin Wu
چکیده

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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منابع مشابه

(E)-1-{4-[Bis(4-bromo­phen­yl)meth­yl]piperazin-1-yl}-3-(4-bromo­phen­yl)prop-2-en-1-one

In the title mol-ecule, C(26)H(23)Br(3)N(2)O, the piperazine ring adopts a chair conformation and the C=C double bond has an E configuration. In the crystal, mol-ecules are linked through weak inter-molecular C-H⋯O hydrogen bonds.

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(E)-1-{4-[Bis(4-bromo­phen­yl)meth­yl]piperazin-1-yl}-3-(4-eth­oxy-3-meth­oxy­phen­yl)prop-2-en-1-one

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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(E)-1-{4-[Bis(4-bromo­phen­yl)meth­yl]piperazin-1-yl}-3-(4-methyl­phen­yl)prop-2-en-1-one

In the title compound, C(27)H(26)Br(2)N(2)O, the piperazine ring adopts a chair conformation with the N-C bonds in equatorial orientations. The C=C double bond has an E configuration. The dihedral angle between the bromo-benzene rings is 83.0 (4)°. In the crystal, inversion dimers linked through pairs of C-H⋯O hydrogen bonds generate R(2) (2)(10) loops.

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(E)-1-{4-[Bis(4-fluoro­phen­yl)meth­yl]piperazin-1-yl}-3-(4-eth­oxy­phen­yl)prop-2-en-1-one

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 dim...

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(E)-3-(2-Eth­oxy­phen­yl)-1-{4-[(2-fluoro­phen­yl)(4-fluoro­phen­yl)meth­yl]piperazin-1-yl}prop-2-en-1-one

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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عنوان ژورنال:

دوره 68  شماره 

صفحات  -

تاریخ انتشار 2012