scholarly journals (6-Methoxy-2-oxo-2H-chromen-4-yl)methyl morpholine-4-carbodithioate

2013 ◽  
Vol 69 (2) ◽  
pp. o192-o192 ◽  
Author(s):  
H. C. Devarajegowda ◽  
K. Mahesh Kumar ◽  
S. Seenivasa ◽  
H. K. Arunkashi ◽  
O. Kotresh
Keyword(s):  
Hydrogen Bond ◽  
Bond Angle ◽  
Chair Conformation ◽  
Ring System ◽  
Maximum Deviation ◽  
Compound C ◽  
Centroid Distance ◽  
Benzene Rings ◽  
Morpholine Ring ◽  
Chromene Ring

In the title compound, C16H17NO4S2, the 2H-chromene ring system is nearly planar, with a maximum deviation of 0.070 (1) Å, and the morpholine ring adopts a chair conformation; the bond-angle sum for its N atom is 357.9°. The dihedral angle between the the 2H-chromene ring and the best plane through the morpholine ring is 89.09 (6)°. An intramolecular C—H...S hydrogen bond occurs. In the crystal, C—H...O hydrogen bonds generateR22(8) rings and π–π interactions occur between fused benzene rings of the chromene system [shortest centroid–centroid distance = 3.5487 (8) Å].

scholarly journals Crystal structure of (6-bromo-2-oxo-2H-chromen-4-yl)methyl morpholine-4-carbodithioate

2015 ◽  
Vol 71 (7) ◽  
pp. o489-o490
Author(s):  
K. Mahesh Kumar ◽  
K. R. Roopashree ◽  
M. Vinduvahini ◽  
O. Kotresh ◽  
H. C. Devarajegowda
Keyword(s):  
Crystal Structure ◽  
Crystal Packing ◽  
Chair Conformation ◽  
Ring System ◽  
Maximum Deviation ◽  
Compound C ◽  
Centroid Distance ◽  
Benzene Rings ◽  
Morpholine Ring ◽  
Chromene Ring

In the title compound, C15H14BrNO3S2, the 2H-chromene ring system is nearly planar, with a maximum deviation of 0.034 (2) Å, and the morpholine ring adopts a chair conformation. The dihedral angle between best plane through the 2H-chromene ring system and the morpholine ring is 86.32 (9)°. Intramolecular C—H...S hydrogen bonds are observed. In the crystal, inversion-related C—H...S and C—H...O interactions generateR22(10) andR22(8) rings patterns, respectively. In addition, the crystal packing features π–π interactions between fused benzene rings [centroid–centroid distance = 3.7558 (12) Å].

scholarly journals (5,7-Dimethyl-2-oxo-2H-chromen-4-yl)methyl morpholine-4-carbodithioate

IUCrData ◽  
2016 ◽  
Vol 1 (2) ◽  
Author(s):  
B. R. Anitha ◽  
K. R. Roopashree ◽  
K. Mahesh Kumar ◽  
A. J. Ravi ◽  
H. C. Devarajegowda
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Bond Angle ◽  
Chair Conformation ◽  
Ring System ◽  
Maximum Deviation ◽  
Compound C ◽  
Centroid Distance ◽  
Morpholine Ring ◽  
Chromene Ring

In the title compound, C17H19NO3S2, the 2H-chromene ring system is nearly planar, with a maximum deviation of 0.080 (2) Å, and the morpholine ring adopts a chair conformation. The bond-angle sum at the N atom is 358°. The coumarin unit makes dihedral angle of 86.34 (9)° with the morpholine ring. A short intramolecular C—H...S contact generates anS(7) ring. In the crystal, inversion dimers linked by pairs of weak C—H...O hydrogen bonds generateR22(16) loops. Aromatic π–π interactions interactions [shortest centroid–centroid distance = 3.8599 (13) Å] also occur.

scholarly journals Crystal structure of (7-methyl-2-oxo-2H-chromen-4-yl)methyl piperidine-1-carbodithioate

2015 ◽  
Vol 71 (8) ◽  
pp. o606-o607
Author(s):  
K. R. Roopashree ◽  
T. G. Meenakshi ◽  
K. Mahesh Kumar ◽  
O. Kotresh ◽  
H. C. Devarajegowda
Keyword(s):  
Crystal Structure ◽  
Chair Conformation ◽  
Ring System ◽  
Piperidine Ring ◽  
Dihedral Angles ◽  
Maximum Deviation ◽  
Compound C ◽  
Centroid Distance ◽  
The Mean ◽  
Chromene Ring

In the title compound, C17H19NO2S2, the 2H-chromene ring system is nearly planar, with a maximum deviation of 0.0383 (28) Å, and the piperidine ring adopts a chair conformation. The 2H-chromene ring makes dihedral angles of 32.89 (16) and 67.33 (8)°, respectively, with the mean planes of the piperidine ring and the carbodithioate group. In the crystal, C—H...O and weak C—H...S hydrogen bonds link the molecules into chains along [001]. The crystal structure also features C—H...π and π–π interactions, with a centroid–centroid distance of 3.7097 (17) Å.

scholarly journals 1-[3-(Morpholin-4-yl)propyl]-4-(3-nitrophenyl)spiro[azetidine-3,9′-xanthen]-2-one

2014 ◽  
Vol 70 (3) ◽  
pp. o369-o370 ◽  
Author(s):  
Ísmail Çelik ◽  
Mehmet Akkurt ◽  
Aliasghar Jarrahpour ◽  
Roghayeh Heiran ◽  
Namık Özdemir
Keyword(s):  
Hydrogen Bond ◽  
Least Squares ◽  
Benzene Ring ◽  
Title Compound ◽  
Chair Conformation ◽  
Ring System ◽  
Dihedral Angles ◽  
Maximum Deviation ◽  
Compound C ◽  
Morpholine Ring

The β-lactam (azetidin-2-one) ring of the title compound, C28H27N3O5, is nearly planar [maximum deviation = 0.010 (1) Å] and makes dihedral angles of 75.77 (5), 52.78 (9) and 88.72 (5)°, respectively, with the benzene ring, the least-squares plane formed by the four C atoms of the morpholine ring, which adopts a chair conformation, and the xanthene ring system. In the crystal, C—H...O hydrogen-bond contacts connect neighbouring molecules into infinite zigzag chains running parallel to thebaxis.

scholarly journals (5,7-Dimethyl-2-oxo-2H-chromen-4-yl)methyl pyrrolidine-1-carbodithioate

2012 ◽  
Vol 68 (6) ◽  
pp. o1584-o1584
Author(s):  
N. M. Mahabaleshwaraiah ◽  
K. Mahesh Kumar ◽  
O. Kotresh ◽  
Waleed Fadl Ali Al-eryani ◽  
H. C. Devarajegowda
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Ring System ◽  
Maximum Deviation ◽  
Pyrrolidine Ring ◽  
Compound C ◽  
Centroid Distance ◽  
Planar Part ◽  
Chromene Ring

In the title compound, C17H19NO2S2, the 2H-chromene ring system is almost planar, with a maximum deviation of 0.044 (2) Å, and the pyrrolidine ring adopts an envelope conformation. The dihedral angle between the 2H-chromene system and the planar part of the pyrrolidine ring is 83.65 (8)°. A weak intramolecular C—H...S hydrogen bond occurs. The crystal structure features C—H...O hydrogen bonds and π–π interactions, with a centroid–centroid distance of 3.5728 (16) Å.

scholarly journals (6-Bromo-2-oxo-2H-chromen-4-yl)methyl diethylcarbamodithioate

IUCrData ◽  
2016 ◽  
Vol 1 (1) ◽  
Author(s):  
M. Vinduvahini ◽  
B. R. Anitha ◽  
K. Mahesh Kumar ◽  
O. Kotresh ◽  
H. C. Devarajegowda
Keyword(s):  
Title Compound ◽  
Ring System ◽  
Maximum Deviation ◽  
Π Interactions ◽  
Compound C ◽  
Centroid Distance ◽  
Benzene Rings ◽  
Chromene Ring

In the title compound, C15H16BrNO2S2, the 2H-chromene ring system is nearly planar, with a maximum deviation of 0.0182 (22) Å. In the crystal, π–π interactions between pyran and benzene rings of chromene [shortest centroid–centroid distance = 3.7588 (14) Å] occur.

scholarly journals Crystal structure of (7-fluoro-2-oxo-2H-chromen-4-yl)methyl morpholine-4-carbodithioate

2015 ◽  
Vol 71 (12) ◽  
pp. o928-o929
Author(s):  
B. R. Anitha ◽  
A. Thomas Gunaseelan ◽  
M. Vinduvahini ◽  
H. D. Kavitha ◽  
H. C. Devarajegowda
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Chair Conformation ◽  
Ring System ◽  
Stacking Interactions ◽  
Compound C ◽  
Centroid Distance ◽  
Morpholine Ring ◽  
Chromene Ring

In the title compound, C15H14FNO3S2, the 2H-chromene ring system is close to being planar (r.m.s. deviation = 0.024 Å) and the morpholine ring adopts a chair conformation. The dihedral angle between the 2H-chromene ring system and the morpholine ring (all atoms) is 88.21 (11)°. In the crystal, inversion dimers linked by pairs of very weak C—H...F hydrogen bonds generateR22(8) loops; C—H...O hydrogen bonds connect the dimers into [010] chains. Weak aromatic π–π stacking interactions between the pyran rings of the chromene systems [centroid–centroid distance = 3.6940 (16) Å] are also observed.

scholarly journals (6-Methoxy-2-oxo-2H-chromen-4-yl)methyl piperidine-1-carbodithioate

2013 ◽  
Vol 69 (11) ◽  
pp. o1683-o1683 ◽  
Author(s):  
K. Mahesh Kumar ◽  
M. Vinduvahini ◽  
N. M. Mahabhaleshwaraiah ◽  
O. Kotresh ◽  
H. C. Devarajegowda
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Chair Conformation ◽  
Ring System ◽  
Piperidine Ring ◽  
Maximum Deviation ◽  
Compound C ◽  
Centroid Distance ◽  
Chromene Ring

In the title compound, C17H19NO3S2, the maximum deviation of atoms in the 2H-chromene ring system is 0.0097 (14) Å and the piperidine ring adopts a chair conformation. The dihedral angle between the 2H-chromene ring and the piperidine ring (all atoms) is 87.59 (8)°. In the crystal, inversion dimers linked by pairs of C—H...O interactions generateR22(22) loops. Further C—H...O hydrogen bonds link the dimers into [110] chains and weak aromatic π–π stacking [shortest centroid–centroid distance = 3.824 (8) Å] is also observed.

scholarly journals 1-(Morpholin-4-yl)-4-(2-nitrophenyl)spiro[azetidine-3,9′-xanthen]-2-one

2014 ◽  
Vol 70 (7) ◽  
pp. o772-o773
Author(s):  
Zeliha Atioğlu ◽  
Mehmet Akkurt ◽  
Aliasghar Jarrahpour ◽  
Roghayeh Heiran ◽  
Namık Özdemir
Keyword(s):  
Hydrogen Bond ◽  
Least Squares ◽  
Benzene Ring ◽  
Title Compound ◽  
Chair Conformation ◽  
Ring System ◽  
Dihedral Angles ◽  
Maximum Deviation ◽  
Compound C ◽  
Morpholine Ring

In the title compound, C22H21N3O5, the β-lactam (azetidin-2-one) ring is nearly planar [maximum deviation = 0.010 (1) Å] and makes dihedral angles of 69.22 (5), 55.32 (5) and 89.42 (4)° with the least-squares planes formed by the four C atoms of the morpholine ring, which adopts a chair conformation, the benzene ring and the xanthene ring system, respectively. In the crystal, C—H...O hydrogen-bond contacts connect neighbouring molecules into infinite zigzag chains running parallel to thebaxis.

scholarly journals Crystal structure of 5-chloro-3-(4-fluorophenylsulfinyl)-2,4,6-trimethyl-1-benzofuran

2014 ◽  
Vol 70 (10) ◽  
pp. o1078-o1079
Author(s):  
Hong Dae Choi ◽  
Uk Lee
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Three Dimensional ◽  
Ring System ◽  
Maximum Deviation ◽  
Supramolecular Network ◽  
Compound C ◽  
Centroid Distance ◽  
Benzene Rings ◽  
The Mean

In the title compound, C17H14ClFO2S, the dihedral angle between the mean planes of the benzofuran ring system [maximum deviation = 0.037 (2) Å] and the 4-fluorobenzene ring is 71.92 (5)°. An intramolecular C—H...O hydrogen bond occurs. In the crystal, molecules are linked by π–π stacking between the benzene rings of neighbouring molecules [centroid–centroid distance = 3.7103 (10) Å]. These molecules are further linked by C—S...π [S...centroid = 3.570 (1) Å] and C—H...O interactions, resulting in a three-dimensional supramolecular network.

Sign in / Sign up

Export Citation Format

Share Document