OxycodoneN-oxide

2012 ◽  
Vol 68 (11) ◽  
pp. o436-o438 ◽  
Author(s):  
Vijayakumar N. Sonar ◽  
Sean Parkin ◽  
Peter A. Crooks
Keyword(s):  
Hydrogen Bonding ◽  
Title Compound ◽  
Crystal Packing ◽  
Van Der Waals ◽  
Van Der Waals Forces ◽  
Pure Form ◽  
Chiral Center

The title compound, (5R,9R,13S,14S,17R)-14-hydroxy-3-methoxy-17-methyl-4,5-epoxymorphinan-6-oneN-oxide, C18H21NO5, has been prepared in a diastereomerically pure form by the reaction of oxycodone with 3-chloroperbenzoic acid and subsequent crystallization of the product from chloroform. The crystal packing shows that the molecule exhibits intramolecular O—H...O [D...A= 2.482 (2) Å] hydrogen bonding. In addition, there are weak intermolecular C—H...O interactions which, along with van der Waals forces, stabilize the structure. The new chiral center at the 17-position is demonstrated to beR.

scholarly journals Crystal structure of di-μ-iodido-bis[bis(acetonitrile-κN)copper(I)]

2015 ◽  
Vol 71 (11) ◽  
pp. m189-m190
Author(s):  
Eva Rebecca Barth ◽  
Christopher Golz ◽  
Michael Knorr ◽  
Carsten Strohmann
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Title Compound ◽  
Crystal Packing ◽  
Van Der Waals ◽  
Van Der Waals Forces ◽  
Tetrahedral Coordination ◽  
Coordination Environment ◽  
Hydrogen Bonding Interactions ◽  
Distorted Tetrahedral Coordination

The title compound, [Cu2I2(CH3CN)4], exhibits a centrosymmetric Cu2I2core [Cu...Cu distance = 2.7482 (11) Å], the CuIatoms of which are further coordinated by four molecules of acetonitrile. The CuIatom has an overall distorted tetrahedral coordination environment evidenced byL—Cu—Langles (L= N or I) ranging from 100.47 (10) to 117.06 (2)°. The coordination geometries of the acetonitrile ligands deviate slightly from linearity as shown by Cu—N—C angles of 167.0 (2) and 172.7 (2)°. In the crystal, there are no significant hydrogen-bonding interactions present, so the crystal packing seems to be formed predominantly by van der Waals forces.

2-(2,4-Dichloro-6-methylphenoxy)-3-isopropyl-5,6,7,8-tetrahydrobenzothieno[2,3-d]pyrimidin-4(3H)-one

2007 ◽  
Vol 63 (3) ◽  
pp. o1142-o1144 ◽  
Author(s):  
Ai-Hua Zheng ◽  
Ji-Yin Long ◽  
Xiao-Hua Zeng ◽  
Hong-Mei Wang
Keyword(s):  
Hydrogen Bonding ◽  
Title Compound ◽  
Crystal Packing ◽  
Van Der Waals ◽  
Van Der Waals Forces ◽  
Ring System ◽  
Hydrogen Bonding Interaction ◽  
Compound C ◽  
Bonding Interaction

In the title compound C20H21Cl2N2O2S, the thienopyrimidine ring system is essentially planar. The crystal packing is stabilized by van der Waals forces and by an intermolecular C—H...O hydrogen-bonding interaction, which links the molecules into zigzag chains.

scholarly journals Crystal structure of 2-(2,4-diphenyl-3-azabicyclo[3.3.1]nonan-9-ylidene)acetonitrile

2015 ◽  
Vol 71 (10) ◽  
pp. o792-o793
Author(s):  
K. Priya ◽  
K. Saravanan ◽  
S. Kabilan ◽  
S. Selvanayagam
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Crystal Packing ◽  
Van Der Waals ◽  
Van Der Waals Forces ◽  
Chair Conformation ◽  
Equatorial Orientation ◽  
Amino Group ◽  
Phenyl Rings

In the title 3-azabicyclononane derivative, C22H22N2, both the fused piperidine and cyclohexane rings adopt a chair conformation. The phenyl rings attached to the central azabicylononane fragment in an equatorial orientation are inclined to each other at 23.7 (1)°. The amino group is not involved in any hydrogen bonding, so the crystal packing is stabilized only by van der Waals forces.

Benzyl 6,6-dibromo-2β-chloromethyl-2α-methylpenicillanate

2007 ◽  
Vol 63 (3) ◽  
pp. o1184-o1185
Author(s):  
Xi-Zhao Wang ◽  
Li-Na Pang ◽  
Jun-Zhi Liu ◽  
Fang-Gang Sun ◽  
Jian-Wu Wang
Keyword(s):  
Title Compound ◽  
Normal Values ◽  
Crystal Packing ◽  
Van Der Waals ◽  
Van Der Waals Forces ◽  
Membered Ring ◽  
Bond Lengths ◽  
Compound C ◽  
Twist Conformation

In the title compound, C15H14Br2ClNO3S, all bond lengths and angles show normal values. The five-membered ring exhibits a twist conformation. The crystal packing is stabilized mainly by van der Waals forces.

Bis(imidazol-1-yl)methane

2006 ◽  
Vol 62 (5) ◽  
pp. o1798-o1799
Author(s):  
Jian Li
Keyword(s):  
Dihedral Angle ◽  
Title Compound ◽  
Crystal Packing ◽  
Rotation Axis ◽  
Van Der Waals ◽  
Van Der Waals Forces ◽  
Compound C ◽  
Methylene Group

In the title compound, C7H8N4, the C atom of the bridging methylene group lies on a twofold rotation axis. The dihedral angle between the symmetry-related imidazole rings is 75.0 (2)°. The crystal packing is stabilized by van der Waals forces.

Ethyl 2-acetamidomethyl-5-methoxy-1-(phenylsulfonyl)indole-3-carboxylate

2007 ◽  
Vol 63 (11) ◽  
pp. o4223-o4223
Author(s):  
Pon. Sathya Moorthy ◽  
M. Balasubramanian ◽  
V. Dhayalan ◽  
A. K. Mohanakrishnan ◽  
M. N. Ponnuswamy
Keyword(s):  
Dihedral Angle ◽  
Title Compound ◽  
Phenyl Ring ◽  
Crystal Packing ◽  
Van Der Waals ◽  
Van Der Waals Forces ◽  
Ring System ◽  
Indole Ring ◽  
Π Interactions ◽  
Compound C

In the title compound, C21H22N2O6S, the dihedral angle between the sulfonyl-bound phenyl ring and the indole ring system is 79.4 (1)°. The crystal packing is controlled by intra- and intermolecular N—H...O, C—H...O and C—H...π interactions, in addition to van der Waals forces.

scholarly journals (3E)-3-{(2E)-3-[4-(Dimethylamino)phenyl]prop-2-enylidene}-3,4-dihydro-2H-chromen-4-one

IUCrData ◽  
2018 ◽  
Vol 3 (9) ◽  
Author(s):  
K. Biruntha ◽  
D. Reuben Jonathan ◽  
U. Mohamooda Sumaya ◽  
E. R. A. Dravida Thendral ◽  
G. Usha
Keyword(s):  
Dihedral Angle ◽  
Title Compound ◽  
Phenyl Ring ◽  
Crystal Packing ◽  
Van Der Waals ◽  
Van Der Waals Forces ◽  
Ring System ◽  
Compound C ◽  
Phenyl Rings

In the title compound, C20H19NO2, the (dimethylamino)phenyl ring and the chromanone ring system are linked via an α-β unsaturated carbon bridge. The dihedral angle between the two terminal phenyl rings is 29.66 (6)°. The tetrahydro-4H-pyran-4 one ring in the chromanone moiety adopts a sofa conformation. The crystal packing is stabilized only by van der Waals forces.

[Tetrakis(3-chlorophenyl)porphyrinato]zinc(II)

2006 ◽  
Vol 62 (4) ◽  
pp. m782-m784 ◽  
Author(s):  
Sophia Lipstman ◽  
Sankar Muniappan ◽  
Israel Goldberg
Keyword(s):  
Title Compound ◽  
Crystal Packing ◽  
Van Der Waals ◽  
Van Der Waals Forces ◽  
Orientational Disorder ◽  
Zinc Porphyrin ◽  
Porphyrin Complex

The title compound, [Zn(C44H28Cl4N4)], is a four-coordinate zinc–porphyrin complex, with 3-chlorophenyl substituents at the meso positions of the planar metalloporphyrin core. The molecules are located on crystallographic inversion centres, exhibiting partial orientational disorder of the aryl residues. The crystal packing is stabilized by van der Waals forces and intermolecular Cl...Cl interactions.

(E)-4-(Trifluoromethyl)benzaldehyde oxime

2006 ◽  
Vol 62 (7) ◽  
pp. o2683-o2684 ◽  
Author(s):  
Jiong Jia ◽  
Xi-Zhao Wang ◽  
Yan Zhang ◽  
Jian-Wu Wang
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Crystal Packing ◽  
Van Der Waals ◽  
Van Der Waals Forces ◽  
Trifluoromethyl Group ◽  
Compound C

In the title compound, C8H6F3NO, the trifluoromethyl group displays rotational disorder. The crystal packing is stabilized by intermolecular O—H...N hydrogen bonds and van der Waals forces.

(E)-2-Acetyl-3-hydroxy-N-phenylbut-2-enethioamide

2006 ◽  
Vol 62 (7) ◽  
pp. o2854-o2855
Author(s):  
Hai-Lian Xiao ◽  
Fang-Fang Jian
Keyword(s):  
Hydrogen Bond ◽  
Title Compound ◽  
Crystal Packing ◽  
Van Der Waals ◽  
Van Der Waals Forces ◽  
Phenyl Isothiocyanate ◽  
Compound C

The title compound, C12H13NO2S, was prepared by the reaction of acetylacetone with phenyl isothiocyanate. In addition to the intramolecular O—H...O hydrogen bond, there is a weak intermolecular N—H...S hydrogen bond, which links the molecules into chains extended along the c axis. The crystal packing is further stabilized by van der Waals forces.

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