scholarly journals Crystal structure of diethyl 2-amino-5-{4-[bis(4-methylphenyl)amino]benzamido}thiophene-3,4-dicarboxylate

2019 ◽  
Vol 75 (5) ◽  
pp. 589-592 ◽  
Author(s):  
Yohan Gautier ◽  
Thierry Maris ◽  
W. G. Skene
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Aromatic Ring ◽  
Title Compound ◽  
Primary Amine ◽  
Thiophene Ring ◽  
Regioselective Substitution ◽  
Compound C ◽  
Amide Carbonyl ◽  
Ring Motif

In the title compound, C31H31N3O5S, the regioselective substitution of the thiophene is confirmed with the amine and the amide at the 2- and 5-positions, respectively. In the molecule, the thiophene ring is twisted by 12.82 (3)° with respect to the aromatic ring of the benzamido group. Intramolecular N—H...O hydrogen bonds are present involving the N atoms of the primary amine and the amide groups, forming S(6) ring motifs. In the crystal, centrosymmetrically related molecules are linked by pairs of N—H...O hydrogen bonds involving the amide carbonyl O atoms and the primary amine N atoms to form dimers of R 2 2(16) ring motif.

scholarly journals Crystal structure ofN,N′-(1,2-phenylene)bis(2-chloroacetamide)

2015 ◽  
Vol 71 (2) ◽  
pp. o108-o108 ◽  
Author(s):  
Javaria Tariq ◽  
Shahzad Murtaza ◽  
Muhammad Nawaz Tahir ◽  
Muhammad Zaheer
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Title Compound ◽  
Dihedral Angles ◽  
Secondary Amide ◽  
Two Dimensional ◽  
Compound C ◽  
Amide Carbonyl ◽  
Ring Motif

In the title compound, C10H10Cl2N2O2, the secondary amide groups are differently twisted relative to the benzene ring, with dihedral angles between the respective planes of 21.03 (2) and 81.22 (2)°. In the crystal, the molecules are connected by N—H...O and C—H...O hydrogen bonds, forming a two-dimensional polymeric network parallel to (001). One of the amide carbonyl O atoms accepts two H atoms in N—H...O and C—H...O interactions, forming anR22(6) ring motif.

scholarly journals Crystal structure of diethyl 2-amino-6-[(thiophen-3-yl)ethynyl]azulene-1,3-dicarboxylate

2015 ◽  
Vol 71 (3) ◽  
pp. o212-o213
Author(s):  
Sebastian Förster ◽  
Wilhelm Seichter ◽  
Edwin Weber
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Thiophene Ring ◽  
Planar Geometry ◽  
Π Interactions ◽  
Compound C ◽  
Ring Motif

The title compound, C22H19NO4S, has an almost planar geometry supported by intramolecular N—H...O and C—H...O hydrogen bonds. The thiophene ring is inclined to the azulene ring by 4.85 (16)°, while the ethoxycarbonyl groups are inclined to the azulene ring by 7.0 (2) and 5.7 (2)°. In the crystal, molecules are linked by pairs of N—H...O hydrogen bonds, forming inversion dimers with anR22(12) ring motif. The dimers are linkedviaC—H...π interactions, forming sheets parallel to (10-1).

scholarly journals Crystal structure of 6-chloro-5-(2-chloroethyl)-3-(propan-2-ylidene)indolin-2-one

2015 ◽  
Vol 71 (8) ◽  
pp. o592-o593
Author(s):  
K. R. Roopashree ◽  
Gangadhar Y. Meti ◽  
Ravindra R. Kamble ◽  
H. C. Devarajegowda
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Aromatic Ring ◽  
Title Compound ◽  
Compound C ◽  
Cl Atom ◽  
Ring Motif

The title compound, C13H13Cl2NO, has a 3-(propan-2-ylidene)indolin-2-one core with a Cl atom and a chloroethyl substituent attached to the aromatic ring. Two atoms of the aromatic ring and the chloroethyl substituent atoms are disordered over two sets of sites with a refined occupancy ratio of 0.826 (3):0.174 (3). In the crystal, molecules are linked by pairs of N—H...O hydrogen bonds, forming inversion dimers with anR22(8) ring motif.

scholarly journals Crystal structure of 2-benzylamino-4-p-tolyl-6,7-dihydro-5H-cyclopenta[b]pyridine-3-carbonitrile

2015 ◽  
Vol 71 (2) ◽  
pp. 192-194
Author(s):  
R. A. Nagalakshmi ◽  
J. Suresh ◽  
S. Maharani ◽  
R. Ranjith Kumar ◽  
P. L. Nilantha Lakshman
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Pyridine Ring ◽  
Three Dimensional ◽  
Π Interactions ◽  
Compound C ◽  
Centroid Distance ◽  
Cyclopentane Ring ◽  
Ring Motif

The title compound, C23H21N3, comprises a 2-amino-3-cyanopyridine ring fused with a cyclopentane ring. The later adopts an envelope conformation with the central methylene C atom as the flap. The benzyl and andp-tolyl rings are inclined to one another by 56.18 (15)°, and to the pyridine ring by 81.87 (14) and 47.60 (11)°, respectively. In the crystal, molecules are linked by pairs of N—H...Nnitrilehydrogen bonds, forming inversion dimers with anR22(12) ring motif. The dimers are linked by C—H...π and π–π interactions [centroid–centroid distance = 3.7211 (12) Å], forming a three-dimensional framework.

scholarly journals Crystal structure of 2-methyl-N-{[2-(pyridin-2-yl)ethyl]carbamothioyl}benzamide

2015 ◽  
Vol 71 (9) ◽  
pp. o636-o636
Author(s):  
Nadiah Ameram ◽  
Farook Adam
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Thiourea Derivative ◽  
Π Interactions ◽  
Compound C ◽  
Benzene Rings ◽  
Ring Motif

In the title compound, C16H17N3OS, a benzoyl thiourea derivative, the planes of the pyridine and benzene rings are inclined to one another by 66.54 (9)°. There is an intramolecular N—H...O hydrogen bond present forming anS(6) ring motif. In the crystal, molecules are linkedviapairs of N—H...N hydrogen bonds, forming inversion dimers, which are reinforced by pairs of C—H...S hydrogen bonds. The dimers are linkedviaC—H...π interactions, forming ribbons along [010].

1-Benzoyl-3-(4-chlorophenyl)thiourea

2006 ◽  
Vol 62 (4) ◽  
pp. o1419-o1420 ◽  
Author(s):  
M. Khawar Rauf ◽  
Amin Badshah ◽  
Ulrich Flörke ◽  
Aamer Saeed
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Aromatic Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Crystal Packing ◽  
Compound C

In the crystal structure of the title compound, C14H11ClN2OS, the dihedral angle between the two aromatic ring planes is 43.93 (6)°. The crystal packing shows dimers formed by intermolecular N—H...S hydrogen bonds which are stacked along [100].

scholarly journals Crystal structure of 1-benzyl-4-formyl-1H-pyrrole-3-carboxamide

2016 ◽  
Vol 72 (2) ◽  
pp. 133-135
Author(s):  
Qi-Di Zhong ◽  
Sheng-Quan Hu ◽  
Hong Yan
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Π Interactions ◽  
Bond Forming ◽  
Compound C ◽  
The Mean ◽  
Ring Motif

In the title compound, C13H12N2O2(I), the mean planes of the pyrrole and benzyl rings are approximately perpendicular, forming a dihedral angle of 87.07 (4) °. There is an intramolecular N—H...O hydrogen bond forming an S(7) ring motif. In the crystal, molecules are linkedviaa pair of N—H...O hydrogen bonds forming inversion dimers. C—H...O hydrogen bonds link the dimers into chains along direction [10-1]. The chains are further linked by weak C—H...π interactions forming layers parallel to theacplane.

scholarly journals 3-Acetyl-1-(3-methylphenyl)thiourea

2012 ◽  
Vol 68 (8) ◽  
pp. o2574-o2574 ◽  
Author(s):  
B. Thimme Gowda ◽  
Sabine Foro ◽  
Sharatha Kumar
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Title Compound ◽  
Side Chain ◽  
Maximum Deviation ◽  
Methyl Groups ◽  
Compound C ◽  
Ring Motif

In the crystal structure of the title compound, C10H12N2OS, the conformation of the two N—H bonds areantito each other. The amide C=O and the C=S are are alsoantito each other. The N—H bond adjacent to the benzene ring issynto them-methyl groups. The dihedral angle between the benzene ring and the side chain [mean plane of atoms C—C(O)N—C—N; maximum deviation 0.029 (2) Å] is 14.30 (7)°. There is an intramolecular N—H...O hydrogen bond generating anS(6) ring motif. In the crystal, the molecules are linkedviaN—H...) hydrogen bonds, forming chains propagating along [001]. The S atom is disordered and was refined using a split model [occupancy ratio 0.56 (4):0.44 (4)].

scholarly journals Crystal structure of 7-{[bis(pyridin-2-ylmethyl)amino]methyl}-5-chloroquinolin-8-ol

2015 ◽  
Vol 71 (12) ◽  
pp. 1545-1547
Author(s):  
Koji Kubono ◽  
Kimiko Kado ◽  
Yukiyasu Kashiwagi ◽  
Keita Tani ◽  
Kunihiko Yokoi
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Hydroxy Group ◽  
Title Compound ◽  
Dihedral Angles ◽  
Π Interactions ◽  
Compound C ◽  
Centroid Distance ◽  
Ring Motif

In the title compound, C22H19ClN4O, the quinolinol moiety is almost planar [r.m.s. deviation = 0.012 Å]. There is an intramolecular O—H...N hydrogen bond involving the hydroxy group and a pyridine N atom forming anS(9) ring motif. The dihedral angles between the planes of the quinolinol moiety and the pyridine rings are 44.15 (9) and 36.85 (9)°. In the crystal, molecules are linkedviaC—H...O hydrogen bonds forming inversion dimers with anR44(10) ring motif. The dimers are linked by C—H...N hydrogen bonds, forming ribbons along [01-1]. The ribbons are linked by C—H...π and π–π interactions [inter-centroid distance = 3.7109 (11) Å], forming layers parallel to (01-1).

scholarly journals Crystal structure ofN-[3-(2-chlorobenzoyl)-5-ethylthiophen-2-yl]-2-[(E)-(2-hydroxybenzylidene)amino]acetamide

2014 ◽  
Vol 70 (9) ◽  
pp. o1011-o1012
Author(s):  
Manpreet Kaur ◽  
Jerry P. Jasinski ◽  
Channappa N. Kavitha ◽  
Hemmige S. Yathirajan ◽  
K. Byrappa
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Thiophene Ring ◽  
Compound C ◽  
Benzene Rings ◽  
The Mean ◽  
Imine Bond

In the title compound, C22H19ClN2O3S, the dihedral angle between the mean planes of the thiophene ring and the chlorophenyl and hydroxyphenyl rings are 70.1 (1) and 40.2 (4)°, respectively. The benzene rings are twisted with respect to each other by 88.9 (3)°. The imine bond lies in anEconformation. Intramolecular O—H...N and N—H...O hydrogen bonds each generateS(6) ring motifs. In the crystal, weak C—H...O interactions link the molecules, forming chains along thecaxis and zigzag chains along thebaxis, generating sheets lying parallel to (100).

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