scholarly journals (E)-3-Methyl-2,6-diphenylpiperidin-4-oneO-(3-methylbenzoyl)oxime

2014 ◽  
Vol 70 (8) ◽  
pp. o883-o883
Author(s):  
V. Kathiravan ◽  
K. Gokula Krishnan ◽  
T. Mohandas ◽  
V. Thanikachalam ◽  
P. Sakthivel
Keyword(s):  
Dihedral Angle ◽  
Title Compound ◽  
Chair Conformation ◽  
Piperidine Ring ◽  
Equatorial Position ◽  
Compound C ◽  
Phenyl Rings

In the title compound, C26H26N2O2, the piperidine ring exhibits a chair conformation. The phenyl rings are attached to the central heterocycle in an equatorial position. The dihedral angle between the planes of the phenyl rings is 57.58 (8)°. In the crystal, C—H...O interactions connect the molecules into zigzag chains along [001].

scholarly journals (4E)-1-Phenyl-4-[(piperidin-1-yl)methylidene]pyrazolidine-3,5-dione

IUCrData ◽  
2016 ◽  
Vol 1 (6) ◽  
Author(s):  
Shaaban K. Mohamed ◽  
Joel T. Mague ◽  
Mehmet Akkurt ◽  
Eman A. Ahmed ◽  
Alaa F. Mohamed ◽  
...  
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Chair Conformation ◽  
Piperidine Ring ◽  
Stacking Interactions ◽  
Π Interactions ◽  
Compound C ◽  
Centroid Distance ◽  
Phenyl Rings

In the title compound, C15H17N3O2, the dihedral angle between the planes of the pyrazolidine and phenyl rings is 29.91 (6)°. The piperidine ring adopts a chair conformation. In the crystal, molecules are linked into chains running parallel to thea-axis direction by a combination of N—H...O and C—H...O hydrogen bonds. Furthermore, there exist C—H...π interactions and π–π stacking interactions [centroid-to-centroid distance = 3.5274 (10) Å] between the pyrazolidine rings of adjacent molecules.

scholarly journals Methyl ({[(4E)-1,3-dimethyl-2,6-diphenylpiperidin-4-ylidene]amino}oxy)acetate

2014 ◽  
Vol 70 (5) ◽  
pp. o513-o513
Author(s):  
T. Mohandas ◽  
M. Velayutham Pillai ◽  
T. Vidhyasagar ◽  
A. Pasupathy ◽  
P. Sakthivel
Keyword(s):  
Dihedral Angle ◽  
Title Compound ◽  
Chair Conformation ◽  
Acetate Group ◽  
Piperidine Ring ◽  
Equatorial Orientation ◽  
Π Interactions ◽  
Compound C ◽  
Phenyl Rings

In the title compound, C22H26N2O3, the piperidine ring exhibits a chair conformation. The phenyl rings attached to the piperidine at the 2- and 6-positions have axial orientations. These rings make a dihedral angle of 49.75 (11)°. The aminooxy acetate group attached at the 4-position has an equatorial orientation. In the crystal, inversion dimers linked by pairs of C—H...π interactions occur.

scholarly journals t-3-Benzyl-r-2,c-6-diphenylpiperidin-4-one oxime

IUCrData ◽  
2016 ◽  
Vol 1 (12) ◽  
Author(s):  
R. Arulraj ◽  
S. Sivakumar ◽  
A. Thiruvalluvar ◽  
A. Manimekalai
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Chair Conformation ◽  
Piperidine Ring ◽  
Dihedral Angles ◽  
Oxime Group ◽  
Π Interactions ◽  
Compound C ◽  
Phenyl Rings

In the title compound, C24H24N2O [systematic name: (E)-3-benzyl-2,6-diphenylpiperidin-4-one oxime], the piperidine ring adopts a slightly distorted chair conformation and the phenyl rings and the benzyl group substituents are attached equatorially. The oxime group makes a dihedral angle of 42.88 (12)° with the piperidine ring. The dihedral angle between the phenyl rings is 71.96 (8)°. The benzyl ring makes dihedral angles of 63.01 (8) and 59.35 (8)° with the two phenyl rings. In the crystal, molecules are linked by O—H...N hydrogen bonds, formingC(7) chains along thecaxis. The chains are linked by C—H...π interactions, forming slabs lying parallel to thebcplane.

scholarly journals 3-(4-Fluorobenzoyl)-4-(4-fluorophenyl)-4-hydroxy-2,6-diphenylcyclohexane-1,1-dicarbonitrile

2014 ◽  
Vol 70 (6) ◽  
pp. o736-o737
Author(s):  
B. Narayana ◽  
M Sapnakumari ◽  
Balladka K. Sarojini ◽  
Jerry P. Jasinski
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Phenyl Ring ◽  
Chair Conformation ◽  
Dihedral Angles ◽  
Compound C ◽  
Phenyl Rings ◽  
Ring Motif

In the title compound, C33H24F2N2O2, the cyclohexane ring adopts a slightly distorted chair conformation. The dihedral angle between the planes of the phenyl rings is 71.80 (9)°, while the planes of the fluorophenyl and fluorobenzoyl rings are inclined to one another by 31.04 (10)°. The dihedral angles between the planes of the phenyl ring adjacent to the 4-hydroxy group and those of the the fluorophenyl and fluorobenzoyl rings are 51.64 (10) and 34.31 (10)°, respectively, while the corresponding angles for the phenyl ring adjacent to the 3-(4-fluorobenzoyl) group are 57.51 (9) and 85.02 (10)°, respectively. An intramolecular O—H...O hydrogen bond generates anS(6) ring motif. In the crystal, molecules are linkedviapairs of O—H...N hydrogen bonds, forming inversion dimers. The dimers are linkedviaC—H...N and C—H...O hydrogen bonds, forming chains along thec-axis direction. C—H...F hydrogen bonds link the chains into sheets lying parallel to thebcplane.

scholarly journals Crystal structure of 4-chloro-N-[2-(piperidin-1-yl)ethyl]benzamide monohydrate

2015 ◽  
Vol 71 (1) ◽  
pp. o39-o40 ◽  
Author(s):  
K. Prathebha ◽  
D. Reuben Jonathan ◽  
B. K Revathi ◽  
S. Sathya ◽  
G. Usha
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Water Molecule ◽  
Dihedral Angle ◽  
Title Compound ◽  
Phenyl Ring ◽  
Chair Conformation ◽  
Piperidine Ring ◽  
Compound C ◽  
The Mean

In the title compound, C14H19ClN2O2·H2O, the piperdine ring adopts a chair conformation. The dihedral angle between the mean plane of the piperidine ring and that of the phenyl ring is 41.64 (1)°. In the crystal, molecules are linked by O—H...N, N—H...O and C—H...O hydrogen bonds involving the water molecule, forming double-stranded chains propagating along [010].

scholarly journals Crystal structure of (4-chlorophenyl)(4-methylpiperidin-1-yl)methanone

2020 ◽  
Vol 76 (4) ◽  
pp. 534-538
Author(s):  
J. Srividya ◽  
D. Reuben Jonathan ◽  
B. K. Revathi ◽  
M. Divya Bharathi ◽  
G. Anbalagan
Keyword(s):  
Crystal Structure ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Chair Conformation ◽  
Hirshfeld Surface ◽  
Piperidine Ring ◽  
Supramolecular Network ◽  
Compound C ◽  
The Mean

The title compound, C13H16ClNO, contains a methylpiperidine ring in the stable chair conformation. The mean plane of the twisted piperidine ring subtends a dihedral angle of 39.89 (7)° with that of the benzene ring. In the crystal, weak C—H...O interactions link the molecules along the a-axis direction to form infinite molecular chains. H...H interatomic interactions, C—H...O intermolecular interactions and weak dispersive forces stabilize molecular packing and form a supramolecular network, as established by Hirshfeld surface analysis.

scholarly journals Crystal structure of 1-[2,4-bis(4-methoxyphenyl)-3-azabicyclo[3.3.1]nonan-3-yl]ethanone

2014 ◽  
Vol 70 (11) ◽  
pp. o1171-o1172 ◽  
Author(s):  
V. Shreevidhyaa Suressh ◽  
S. Sathya ◽  
A. Akila ◽  
S. Ponnuswamy ◽  
G. Usha
Keyword(s):  
Crystal Structure ◽  
Dihedral Angle ◽  
Title Compound ◽  
Chair Conformation ◽  
Cyclohexane Ring ◽  
Piperidine Ring ◽  
Dihedral Angles ◽  
Π Interactions ◽  
Compound C

In the title compound, C24H29NO3, the azabicycle contains two six-membered rings,viz.a cyclohexane ring and a piperidine ring. The first adopts a chair conformation and the second a half-chair conformation. The dihedral angle between their mean planes is 86.21 (13)°, indicating that they are almost perpendicular to one another. The dihedral angle between the planes of the 4-methoxyphenyl rings is 17.51 (13)°, and they make dihedral angles of 81.9 (3) and 81.3 (3)° with the ethan-1-one group. In the crystal, molecules are linked by C—H...π interactions forming chains along [10-1].

scholarly journals Crystal structure of 2-(3-nitrophenyl)-1,3-dithiane

2015 ◽  
Vol 71 (3) ◽  
pp. o181-o182 ◽  
Author(s):  
Ignez Caracelli ◽  
Julio Zukerman-Schpector ◽  
Hélio A. Stefani ◽  
Olga Gozhina ◽  
Edward R. T. Tiekink
Keyword(s):  
Crystal Structure ◽  
Least Squares ◽  
Nitro Group ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Intermolecular Interactions ◽  
Title Compound ◽  
Chair Conformation ◽  
Equatorial Position ◽  
Compound C

In the title compound, C10H11NO2S2, the 1,3-dithiane ring has a chair conformation with the 1,4-disposed C atoms being above and below the remaining four atoms. The nitrobenzene substituent occupies an equatorial position and forms a dihedral angle of 88.28 (5)° with the least-squares plane through the 1,3-dithiane ring. The nitro group is twisted out of the plane of the benzene ring to which it is connected, forming a dihedral angle of 10.12 (3)°. In the crystal, molecules aggregate into supramolecular zigzag chains (glide symmetry along thecaxis)vianitro–benzene N—O...π [N—O...Cg(benzene) = 3.4279 (18) Å and angle at O = 93.95 (11)°] interactions. The chains pack with no specific intermolecular interactions between them.

scholarly journals 2-(Piperidin-1-yl)-6-(1H-pyrrol-1-yl)pyridine-3,5-dicarbonitrile

2012 ◽  
Vol 68 (4) ◽  
pp. o938-o938 ◽  
Author(s):  
Peter N. Horton ◽  
Shaaban K. Mohamed ◽  
Ahmed M. Soliman ◽  
Eman M. M. Abdel-Raheem ◽  
Mehmet Akkurt
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Pyridine Ring ◽  
Chair Conformation ◽  
Piperidine Ring ◽  
Maximum Deviation ◽  
Compound C ◽  
Π Stacking

The piperidine ring of the title compound, C16H15N5, adopts a chair conformation. The pyridine ring is essentially planar, with a maximum deviation of 0.035 (3) Å. The pyrrole and pyridine rings are almost coplanar, forming a dihedral angle of 3.48 (14)°. In the crystal, no classical hydrogen bonds were found. In the crystal, the molecules are linked by aromatic π–π stacking [centroid–centroid separations = 3.4984 (16) and 3.9641 (15) Å between pyrrole and pyridine rings and between pyridine rings, respectively].

scholarly journals N-(2-Fluorobenzyloxy)-1,3,5-trimethyl-2,6-diphenylpiperidin-4-imine

2012 ◽  
Vol 68 (8) ◽  
pp. o2312-o2313
Author(s):  
Chennan Ramalingan ◽  
Seik Weng Ng ◽  
Edward R. T. Tiekink
Keyword(s):  
Dihedral Angle ◽  
Torsion Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Piperidine Ring ◽  
Dihedral Angles ◽  
Boat Conformation ◽  
Compound C ◽  
Phenyl Rings ◽  
Twisted Boat

In the title compound, C27H29FN2O, the piperidine ring has a twisted boat conformation and all ring substituents occupy equatorial positions. The dihedral angle formed between the phenyl rings is 66.71 (12)°, and the phenyl rings form dihedral angles of 46.60 (13) and 43.75 (13)° with the fluorobenzene ring, which occupies a position coplanar to the methoxy(methylidene)amine residue [N—O—C—C torsion angle = −179.5 (2)°]. In the crystal, a complex network of C—H...π interactions connects the molecules into a three-dimensional architecture.

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