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2-[(E)-4-(2-Bromo-phen-yl)but-3-en-2-yl-idene]malononitrile.

ABSTRACT: The title compound, C(13)H(19)BrN(2), is planar structure except for the methyl H atoms, the maximum atomic deviation for the non-H atoms being 0.100?(1)?Å. The bromo-phenyl and isopropanylidenemalononitrile units are located on opposite sides of the C=C bond, showing an E configuration.

SUBMITTER: Kang TR

PROVIDER: S-EPMC3011442 | biostudies-literature | 2010 Nov

REPOSITORIES: biostudies-literature

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2-[(E)-4-(2-Bromo-phen-yl)but-3-en-2-yl-idene]malononitrile.

Kang Tai-Ran TR

Acta crystallographica. Section E, Structure reports online 20101130 Pt 12

The title compound, C(13)H(19)BrN(2), is planar structure except for the methyl H atoms, the maximum atomic deviation for the non-H atoms being 0.100 (1) Å. The bromo-phenyl and isopropanylidenemalononitrile units are located on opposite sides of the C=C bond, showing an E configuration. ...[more]

PMID: 21589633

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(E)-2-[4-(2-Chloro-phen-yl)but-3-en-2-yl-idene]malononitrile.

Project description:There are two independent but virtually identical mol-ecules in the asymmetric unit of the title compound, C(13)H(19)ClN(2). Each mol-ecular skeleton displays an approximately planar structure except for the methyl group [the r.m.s. deviations for all 16 non-H atoms are 0.039 (mol-ecule 1) and 0.056?Å (mol-ecule 2)]. An E configuration is found about each of the C=C bonds. The crystal packing is stabilized by C-H?N inter-actions that connect the independent mol-ecules into supra-molecular chains along the c-axis direction.

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2-[(E)-1-(4-Meth-oxy-phen-yl)pent-1-en-3-yl-idene]malononitrile.

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Project description:The title mol-ecule, C(14)H(11)FN(2), is approximately planar except the ethyl group, the maximum atomic deviation being 0.105?(5)?Å. The fluoro-phenyl ring and 2-propyl-idene-malononitrile unit are located on the opposite sides of the C=C double bond, showing an E configuration.

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(1Z)-1-[(2E)-3-(4-Bromo-phen-yl)-1-(4-fluoro-phen-yl)prop-2-en-1-yl-idene]-2-(2,4-dinitro-phen-yl)hydrazine.

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(2E)-1-(2-Bromo-phen-yl)-3-(4-bromo-phen-yl)prop-2-en-1-one.

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(2E)-3-(2-Bromo-phen-yl)-1-(5-bromo-thio-phen-2-yl)prop-2-en-1-one.

Project description:The asymmetric unit of the title compound, C13H8Br2OS, contains two mol-ecules, in which the dihedral angles between the thio-phene and benzene rings are 10.5?(3) and 33.2?(4)°. There are no significant directional inter-actions in the crystal.

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2-[3-(2-Chloro-phen-yl)-5-oxo-1,5-diphenyl-pentyl-idene]malononitrile.

Project description:In the title compound, C(26)H(19)ClN(2)O, the 2-chloro-phenyl group forms dihedral angles of 59.6?(1) and 31.9?(1)° with the phenyl rings. The two phenyl rings are inclined at a dihedral angle of 32.9?(1)° with respect to each other. In the crystal, an inter-molecular C-H?N hydrogen bond links the mol-ecules into a polymeric chain running along the c axis.

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1-(4-Bromo-phen-yl)-3-(3,4-dimethyl-phen-yl)prop-2-en-1-one.

Project description:In the title chalcone derivative, C(17)H(15)BrO, the dihedral angle between the two benzene rings is 48.13?(4)°. In the crystal, a short Br?Br contact of 3.5052?(10)?Å occurs.

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