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1-Ferrocenyl-3-(4-methyl-anilino)propan-1-one.

ABSTRACT: In the title ferrocene derivative, [Fe(C(5)H(5))(C(15)H(16)NO)], the dihedral angle between the best planes of the benzene and the substituted cyclo-penta-dienyl ring is 83.4 (1)°. The presence of a methyl substituent in the para position of the aniline group does not alter the crystal packing compared to that of 3-anilino-1-ferrocenylpropan-1-one [Leka et al. (2012 ▶). Acta Cryst. E68, m229]. The molecules are connected into centro-symmetric dimers via N-H⋯O hydrogen bonds. In addition, C-H⋯O and C-H⋯N contacts stabilize the crystal packing.

SUBMITTER: Leka Z

PROVIDER: S-EPMC3274942 | biostudies-literature |

REPOSITORIES: biostudies-literature

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1-Ferrocenyl-3-(2-methyl-anilino)propan-1-one.

Project description:In the ferrocene-containing Mannich base, [Fe(C(5)H(5))(C(15)H(16)NO)], the dihedral angle between the mean planes of the benzene ring and the substituted cyclo-penta-dienyl ring is 84.63?(7)°. The conformation of the title compound significantly differs from those found in corresponding m-tolyl-amino and p-tolyl-amino derivatives. In the crystal, C-H?O inter-actions connect the mol-ecules into chains, which further inter-act by means of C-H?? inter-actions. It is noteworthy that the amino H atom is shielded and is not involved in hydrogen bonding.

| S-EPMC3393239 | biostudies-other

1-Ferrocenyl-3-(3-fluoro-anilino)propan-1-one.

Project description:The title ferrocene derivative, [Fe(C(5)H(5))(C(14)H(13)FNO)], crystallizes in the same space group with similar unit-cell parameters as the derivatives 3-anilino-1-ferrocenylpropan-1-one [Leka et al. (2012 ▶). Acta Cryst. E68, m229] and 1-ferrocenyl-3-(4-methyl-anilino)propan-1-one [Leka et al. (2012 ▶). Acta Cryst. E68, m230]. The dihedral angle between the best planes of the benzene ring and the substituted cyclo-penta-dienyl ring is 83.4 (1)°. The presence of the electronegative fluoro substituent in the meta position of the aniline group does not alter the crystal packing compared to the other two derivatives. The molecules are connected into centrosymmetric dimers via N-H⋯O hydrogen bonds. In addition, C-H⋯O and C-H⋯N contacts stabilize the crystal packing.

| S-EPMC3274943 | biostudies-literature

(S)-1-Ferrocenyl-3-hy-droxy-3-phenyl-propan-1-one.

Project description:In the title compound, [Fe(C(5)H(5))(C(14)H(13)O(2))], the dihedral angle between the phenyl ring and the unsubstituted cyclo-petadienyl ring is 85.0?(2)°while that between the phenyl ring and the substituted cyclo-petadienyl ring is 83.6?(2)°. The dihedral angle between the two cyclo-penta-1,3-diene rings of the ferrocene unit is 2.2?(2)°. The mol-ecules are stabilized by inter-molecular O-H?O hydrogen-bonding inter-action within the crystal lattice.

| S-EPMC3051583 | biostudies-literature

2-(2-Methyl-anilino)-N'-(propan-2-yl-idene)acetohydrazide.

Project description:The conformation of the title compound, C(12)H(17)N(3)O, is consolidated by an intra-molecular N-H⋯O hydrogen bond, generating an S(5) ring. In the crystal, inversion dimers linked by pairs of N-H⋯O inter-actions occur, resulting in R(2) (2)(8) ring motifs.

| S-EPMC2970964 | biostudies-literature

1-(4-Chloro-phen-yl)-3-(2-meth-oxy-anilino)propan-1-one.

Project description:In the title compound, C(16)H(16)ClNO(2), the mol-ecule adopts a bowed conformation, with a dihedral angle of 39.9?(2)° between the aromatic rings. In the crystal, mol-ecules are linked by C-H?O hydrogen bonds, generating C(6) chains propagating in [010]. Very weak aromatic ?-? stacking is also observed [centroid-centroid distance = 4.040?(2)?Å].

| S-EPMC3051662 | biostudies-literature

3-(3-Chloro-anilino)-1-(3,5-dimethyl-1H-pyrazol-1-yl)propan-1-one.

Project description:In the mol-ecule of the title compound, C(14)H(16)ClN(3)O, the benzene and pyrazole rings are oriented at a dihedral angle of 3.50?(3)°. In the crystal structure, inter-molecular N-H?O hydrogen bonds link the mol-ecules into chains. A ?-? contact between the benzene and pyrazole rings [centroid-centroid distance = 3.820?(3)?Å] may further stabilize the structure.

| S-EPMC2969777 | biostudies-literature

4-(2-Methyl-anilino)pent-3-en-2-one.

Project description:The title enamino ketone, C(12)H(15)NO, a derivative of 4-(phenyl-amino)-pent-3-en-2-one, presents a roughly planar [greatest displacement of an atom from the pentenone plane is 0.033 (2) Å] pentenone backbone, enhanced by an intra-molecular N-H⋯O hydrogen bond; the asymmetry in C-C distances in the group suggests the presence of unsaturated bonds. The overall geometry in the free ligand differs significantly from that in other reported compounds, in which it is coordinated to rhodium; this is reflected in the bond distances [the N⋯O distance is significantly increased (0.2 Å) upon coordination to the metal] and the dihedral angle between the benzene ring and the pentenone backbone [49.53 (5)°]. All of the methyl goups are rotationally disordered over two orientations of equal occupancy.

| S-EPMC3006949 | biostudies-literature

Monoclinic form of (Z)-1-ferrocenyl-3-(3-hy-droxy-anilino)but-2-en-1-one.

Project description:The title compound, [Fe(C(5)H(5))(C(15)H(14)NO(2))], is a monoclinic polymorph of the previously reported triclinic form [Shi et al. (2006 ?). Acta Cryst. C62, m407-m410]. The polymorphs feature the same strong intra-molecular N-H?O=C hydrogen bonds, but show different packing modes. The mol-ecules in the monoclinic form associate into double chains via O-H?O=C and (Cp)C-H?O-H inter-actions.

| S-EPMC3238667 | biostudies-literature

rac-3-[(Anilino)(naphthalen-2-yl)-methyl]thian-4-one.

Project description:In the title compound, C(22)H(21)NOS, the thio-pyran-one ring adopts a chair-like conformation with the substituent in the axial position. The relative configuration of the racemic compound is 3R,7S according to the numbering scheme used in this publication. In the crystal packing, centrosymmetric dimers are built up via N-H?O hydrogen bonds, with graph set R(2) (2)(8).

| S-EPMC3295517 | biostudies-literature

2-Bromo-2-methyl-1-[4-(methyl-sulfan-yl)phen-yl]propan-1-one.

Project description:In the title compound, C(11)H(13)BrOS, the thio-ether unit and the phenyl ring adopt an essentially planar conformation, with a maximum deviation of 0.063?Å. In the crystal, mol-ecules are linked by C-H?O hydrogen bonds, extending in zigzag chains along the b axis. A weak intra-molecular C-H?Br hydrogen bond is also observed, which forms an S(6) ring motif.

| S-EPMC3379344 | biostudies-literature

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