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(Z)-4-Bromo-N-{(Z)-3-[(4-bromo-2,6-diisopropyl-phen-yl)imino]-butan-2-yl-idene}-2,6-diisopropyl-aniline.

ABSTRACT: The title compound, C(28)H(38)Br(2)N(2), is centrosymmetric with the mid-point of the central C-C bond of the butyl group located on an inversion center. The terminal benzene ring is approximately perpendicular to the central 1,4-diaza-butadiene mean plane [dihedral angle = 78.23?(3)°]. No hydrogen bonding or aromatic stacking is observed in the crystal structure.

SUBMITTER: Zhang C

PROVIDER: S-EPMC3569751 | BioStudies | 2013-01-01

REPOSITORIES: biostudies

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(Z)-N-[(Z)-3-(2,4-Dimethyl-phenyl-imino)-butan-2-yl-idene]-2,4-dimethyl-aniline.

Project description:The asymmetric unit of the title compound, C(20)H(24)N(2), contains one half -mol-ecule which exhibits a crystallographically imposed center of symmetry. The benzene rings are inclined to the 1,4-diaza-butadiene mean plane by 78.3?(2)°.

1000-01-01 | S-EPMC3254505 | BioStudies

(Z)-3-Chloro-N-[(Z)-3-(3-chloro-2-methyl-phenyl-imino)-butan-2-yl-idene]-2-methyl-aniline.

Project description:In the title compound, C(18)H(18)Cl(2)N(2), the complete molecule is generated by the application of C(2) symmetry. The C=N bond has an E configuration. The dihedral angle between the benzene ring and the 1,4-diaza-butadiene plane is 66.81?(9)°.

1000-01-01 | S-EPMC3254418 | BioStudies

4,6-Di-bromo-N-{3-[(4,6-di-bromo-2,3-di-methyl-phenyl)imino]butan-2-yl-idene}-2,3-di-methyl-aniline.

Project description:The title compound, C20H20Br4N2, is a product of the condensation reaction of 4,6-di-bromo-2,3-di-methyl-aniline and butane-2,3-dione. The mol-ecule has a center of symmetry at the mid-point of the central C-C bond. The dihedral angle between the benzene ring and the 1,4-di-aza-butadiene plane is 78.3?(2)°. Niether hydrogen bonding nor aromatic stacking is observed in the crystal structure.

2013-01-01 | S-EPMC3790371 | BioStudies

N-(2,6-Diisopropyl-phen-yl)-N-{3-[(2,6-diisopropyl-phen-yl)imino]-butan-2-yl}aza-nide trichloridostannate(II).

Project description:In the title compound, (C(28)H(43)N(2))[SnCl(3)], two pairs of molecular species are present in the asymmetric unit. The employed ?-diimine opens up, forming a highly asymmetric ammonium that has its protons at one of the N atoms [N-C= 1.264?(4) and 1.516?(4)?Å]. One of the C=N double bonds was oxidized to C-N, which is consistent with the bond length of 1.516?(4)?Å. Meanwhile Sn(IV) was reduced to Sn(II). The (SnCl)(3) (-) anion is trigonal-pyramidal. In the crystal, mol-ecules are linked by C-H?Cl, N-H?Cl, N-H?N and C-H?N bonds. The crystal studied was twinned by pseudo-merohedry.

2012-01-01 | S-EPMC3379065 | BioStudies

(Z)-N-[(Z)-3-(2,5-Di-methyl-phenyl-imino)-butan-2-yl-idene]-2,5-di-methyl-aniline.

Project description:The asymmetric unit of the title compound, C20H24N2, contains one half-mol-ecule, with the single C-C bond of the 1,4-di-aza-butadiene fragment situated on a centre of symmetry. The benzene rings are inclined to the 1,4-di-aza-butadiene mean plane by 59.5?(1)°.

1000-01-01 | S-EPMC3998329 | BioStudies

1,4-Bis(4-bromo-2,6-diisopropyl-phen-yl)-1,4-diaza-buta-1,3-diene.

Project description:The molecule of the title compound, C(26)H(34)Br(2)N(2), lies on a crystallographic inversion center and hence the two imine groups are s-trans. The dihedral angle between the central 1,4-diaza-buta-1,3-diene unit and the attached substituted phenyl ring is 88.4?(7)°. The structure features a C-H?N close contact. The crystal selected for this study proved to be a non-merohedral twin with a minor component of 21.8?(3)%.

2009-01-01 | S-EPMC2980129 | BioStudies

(E)-4-Bromo-2-[(2,6-diisopropyl-phen-yl)imino-meth-yl]phenol.

Project description:In the title compound, C(19)H(22)BrNO, the dihedral angle between the benzene rings is 76.17?(14)° and an intra-molecular O-H?N hydrogen bond with an S(6) graph-set motif is present. One methyl group is disordered over two sets of sites with site occupancies of 0.66?(3) and 0.34?(3). A weak inter-molecular C-H?? inter-action is observed in the crystal structure.

1000-01-01 | S-EPMC3379361 | BioStudies

2-Bromo-4-chloro-6-[(2,6-diisopropyl-phen-yl)imino-meth-yl]phenol.

Project description:There are two molecules in the asymmetric unit of the title compound, C(19)H(21)BrClNO, with dihedral angles between the aromatic rings of 70.0?(2) and 81.9?(3)°. The crystal structure is stabilized by inter-molecular C-H?? and C-Br?? inter-actions. In additional, the stacked mol-ecules exhibit intra-molecular O-H?N hydrogen bonds.

1000-01-01 | S-EPMC2959941 | BioStudies

(Z)-N-{(E)-10-[(2,6-Diisopropyl-phen-yl)-imino]-9,10-dihydro-phenanthren-9-yl-idene}-2,6-dimethyl-aniline.

Project description:The title compound, C(34)H(34)N(2), adopts a Z,E configuration with respect to the N=C-C=N backbone, with an N-C-C-N torsion angle of 41.1?(4)° The dihedral angle between the benzene rings in the 9,10-dihydro-phenanthrene moiety is 18.0?(1)°.

2012-01-01 | S-EPMC3295409 | BioStudies

(E)-4-Bromo-N-{(E)-3-[(4-bromo-2-methyl-phen-yl)imino]-butan-2-yl-idene}-2-methyl-aniline.

Project description:The title compound, C(18)H(18)Br(2)N(2), is centrosymmetric with the mid-point of the central C-C bond of the butyl group located on an inversion center. The terminal benzene ring is approximately perpendicular to the central butyl plane [dihedral angle = 71.9?(8)°]. No hydrogen bonding or aromatic stacking is observed in the crystal.

2013-01-01 | S-EPMC3569260 | BioStudies

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