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 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 Crystal structure of racemic [(1R,2S,3R,4S,6S)-2,6-bis(furan-2-yl)-4-hydroxy-4-(thiophen-2-yl)cyclohexane-1,3-diyl]bis(thiophen-2-ylmethanone)

2016 ◽  
Vol 72 (7) ◽  
pp. 976-979 ◽  
Author(s):  
Ísmail Çelik ◽  
Cem Cüneyt Ersanlı ◽  
Mehmet Akkurt ◽  
Hayrettin Gezegen ◽  
Rahmi Köseoğlu
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Hydroxy Group ◽  
Title Compound ◽  
Furan Ring ◽  
Chair Conformation ◽  
Cyclohexane Ring ◽  
Π Interactions ◽  
Compound C

In the title compound, C28H22O5S3, the central cyclohexane ring adopts a chair conformation. The atoms of the furan ring attached to the 6-position of the central cyclohexane ring are disordered over two sets of sites with occupancies of 0.832 (5) and 0.168 (5). The hydroxy group is disordered over two positions (at the 4- and 6-positions of the cyclohexane ring) in the ratio 0.832 (5):0.168 (5). In the crystal, molecules are linked by C—H...O hydrogen bonds and C—H...π interactions, forming layers parallel to (100).

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 4-methoxy-N-(piperidine-1-carbonothioyl)benzamide

2017 ◽  
Vol 73 (10) ◽  
pp. 1530-1533
Author(s):  
Khairi Suhud ◽  
Siti Aishah Hasbullah ◽  
Musa Ahmad ◽  
Lee Yook Heng ◽  
Mohammad B. Kassim
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Torsion Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Chair Conformation ◽  
Dimensional Structure ◽  
Piperidine Ring ◽  
Π Interactions ◽  
Compound C

In the title compound, C14H18N2O2S, the piperidine ring has a chair conformation. Its mean plane is twisted with respect to the 4-methoxybenzoyl ring, with a dihedral angle of 63.0 (3)°. The central N—C(=S)—N(H)—C(=O) bridge is twisted with an N—C—N—C torsion angle of 74.8 (6)°. In the crystal, molecules are linked by N—H...O and C—H...O hydrogen bonds, forming chains along thec-axis direction. Adjacent chains are linked by C—H...π interactions, forming layers parallel to theacplane. The layers are linked by offset π–π interactions [intercentroid distance = 3.927 (3) Å], forming a supramolecular three-dimensional structure.

scholarly journals Methyltrans-(±)-1-oxo-2-phenethyl-3-(thiophen-2-yl)-1,2,3,4-tetrahydroisoquinoline-4-carboxylate

2009 ◽  
Vol 65 (6) ◽  
pp. o1287-o1288
Author(s):  
Mehmet Akkurt ◽  
Selvi Karaca ◽  
Milen G. Bogdanov ◽  
Meglena I. Kandinska ◽  
Orhan Büyükgüngör
Keyword(s):  
Crystal Structure ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Phenyl Ring ◽  
Thiophene Ring ◽  
Piperidine Ring ◽  
Dihedral Angles ◽  
Boat Conformation ◽  
Compound C

In the title compound, C23H21NO3S, the piperidine ring of the tetrahydroisoquinolinone unit adopts a screw-boat conformation. The thiophene ring is disordered in a 0.700 (3):0.300 (3) ratio by an approximate 180° rotation of the ring around the C—C bond linking the ring to the tetrahydroisoquinolinone unit. The benzene ring of the tetrahydroisoquinolinone unit makes dihedral angles of 83.1 (2) and 62.38 (11)° with the major occupancy thiophene ring and the phenyl ring, respectively. The dihedral angle between the phenyl ring and the thiophene ring is 71.0 (2)°. In the crystal structure, molecules are linked together by intermolecular C—H...O and C—H...π interactions.

scholarly journals 1-[3-(4-Chlorophenyl)-5-(4-methoxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl]ethanone

2012 ◽  
Vol 68 (4) ◽  
pp. o1023-o1023
Author(s):  
Hoong-Kun Fun ◽  
Ching Kheng Quah ◽  
S. Samshuddin ◽  
B. Narayana ◽  
B. K. Sarojini
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Pyrazole Ring ◽  
Dihedral Angles ◽  
Π Interactions ◽  
Compound C ◽  
Benzene Rings

In the title compound, C18H17ClN2O2, the benzene rings form dihedral angles of 6.69 (6) and 74.88 (5)° with the 4,5-dihydro-1H-pyrazole ring. The benzene rings form a dihedral angle of 76.67 (5)° with each other. In the crystal, molecules are linkedviabifurcated (C,C)–H...O hydrogen bonds into chains along [010]. The crystal structure is further consolidated by C—H...π interactions.

scholarly journals (3E,5E)-3,5-Bis(4-methylbenzylidene)-1-[3-(piperidin-1-yl)propanoyl]piperidin-4-one

2012 ◽  
Vol 68 (8) ◽  
pp. o2493-o2494 ◽  
Author(s):  
Yalda Kia ◽  
Hasnah Osman ◽  
Vikneswaran Murugaiyah ◽  
Suhana Arshad ◽  
Ibrahim Abdul Razak
Keyword(s):  
Title Compound ◽  
Chair Conformation ◽  
Piperidine Ring ◽  
Dihedral Angles ◽  
Maximum Deviation ◽  
Π Interactions ◽  
Compound C ◽  
Benzene Rings ◽  
The Mean ◽  
Graph Set

In the title compound, C29H34N2O2, the central piperidine ring adopts a half-chair conformation, whereas the terminal one adopts a chair conformation. The mean plane of the central piperidine ring [maximum deviation = 0.384 (2) Å] makes dihedral angles of 64.82 (13) and 17.55 (13)° with the benzene rings. In the crystal, molecules are linked into a tape along thebaxisviaC—H...O interactions, generatingR22(20) andR21(6) graph-set motifs. C—H...π interactions are observed between the tapes.

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 1-Tosyl-4-[2-(trifluoromethyl)benzyl]piperazine

2013 ◽  
Vol 69 (2) ◽  
pp. o239-o239 ◽  
Author(s):  
S. Sreenivasa ◽  
H. C. Anitha ◽  
K. E. ManojKumar ◽  
J. Tonannavar ◽  
Yenagi Jayashree ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Title Compound ◽  
Chair Conformation ◽  
Dihedral Angles ◽  
Piperazine Ring ◽  
Π Interactions ◽  
Compound C ◽  
The Mean

In the crystal structure of the title compound, C19H21F3N2O2S, the piperazine ring adopts a chair conformation. The dihedral angles between the mean plane of the piperazine ring and the tosyl and trifluoromethylphenyl rings are 74.52 (3) and 68.30 (2)°, respectively. The sulfonamide N atom deviates from the plane defined by the three attached atoms by 0.327 (1) Å. The crystal structure is stabilized by weak C—H...π interactions.

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