scholarly journals Crystal structure of (Z)-3-{3-(4-chlorophenyl)-2-[(4-chlorophenyl)imino]-2,3-dihydrothiazol-4-yl}-2H-chromen-2-one

2014 ◽  
Vol 70 (12) ◽  
pp. o1268-o1269
Author(s):  
M. Kayalvizhi ◽  
G. Vasuki ◽  
R. Raj Kumar ◽  
V. Rajeswar Rao
Keyword(s):  
Crystal Structure ◽  
Dihedral Angle ◽  
Title Compound ◽  
Ring System ◽  
Thiazole Ring ◽  
Maximum Deviation ◽  
Axis Direction ◽  
Π Interactions ◽  
Compound C ◽  
Chromene Ring

In the title compound, C24H14Cl2N2O2S, the 2H-chromene ring system is approximately planar, with a maximum deviation of 0.025 (2) Å. The thiazole ring is almost planar, with an r.m.s. deviation of 0.0022 Å, and makes a dihedral angle of 58.52 (7)° with the chromene ring system. The chromene ring system is inclined at angles of 58.3 (1) and 55.39 (9)° with respect to the two chlorophenyl rings. The two chlorophenyl rings show significant deviation from coplanarity, with a dihedral angle between them of 47.69 (8)°. The crystal structure features C—H...Cl interactions extending in (100) and propagating along thea-axis direction and weak π–π interactions [centroid–centroid separation = 3.867 (2) Å].

scholarly journals 3-(2-Methylamino-1,3-thiazol-4-yl)-2H-chromen-2-one

2012 ◽  
Vol 68 (8) ◽  
pp. o2416-o2417 ◽  
Author(s):  
Samina Khan Yusufzai ◽  
Hasnah Osman ◽  
Aisyah Saad Abdul Rahim ◽  
Suhana Arshad ◽  
Ibrahim Abdul Razak
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Ring System ◽  
Thiazole Ring ◽  
Maximum Deviation ◽  
Two Dimensional ◽  
Compound C ◽  
Chromene Ring

In the title compound, C13H10N2O2S, the essentially planar 2H-chromene ring system [maximum deviation = 0.0297 (13) Å] and the thiazole ring [maximum deviation = 0.0062 (11) Å] form a dihedral angle of 3.47 (5)°. In the crystal, N—H...N and C—H...O hydrogen bonds link the molecules into two-dimensional networks parallel to thebcplane. C—H...π and π–π [centroid–centroid separation = 3.6796 (8) Å] interactions further stabilize the crystal structure.

scholarly journals Crystal structure of 2-amino-4-(4-methoxyphenyl)-4H-benzo[g]chromene-3-carbonitrile

2015 ◽  
Vol 71 (12) ◽  
pp. o1017-o1018
Author(s):  
Joel T. Mague ◽  
Shaaban K. Mohamed ◽  
Mehmet Akkurt ◽  
Sabry H. H. Younes ◽  
Mustafa R. Albayati
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Ring System ◽  
Membered Ring ◽  
Axis Direction ◽  
Compound C ◽  
Naphthalene Fragment ◽  
Chromene Ring

In the title compound, C21H16N2O2, the naphthalene fragment is twisted slightly, as indicated by the dihedral angle of 3.2 (2)° between the two six-membered rings. The pendant 4-methoxyphenyl ring makes a dihedral angle of 86.08 (6)° with the central six-membered ring of the 4H-benzo[g]chromene ring system. In the crystal, molecules are linked by pairs of N—H...N hydrogen bonds, forming inversion dimers which are linked into chains propagating in theb-axis direction by N—H...O hydrogen bonds.

scholarly journals Crystal structure of 5-chloro-2,7-dimethyl-3-[(4-methylphenyl)sulfonyl]-1-benzofuran

2014 ◽  
Vol 70 (9) ◽  
pp. o1018-o1019 ◽  
Author(s):  
Hong Dae Choi ◽  
Uk Lee
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Ring System ◽  
Axis Direction ◽  
Π Interactions ◽  
Compound C ◽  
Centroid Distance ◽  
Benzene Rings

In the title compound, C17H15ClO3S, the dihedral angle between the planes of the benzofuran ring system [r.m.s. deviation = 0.008 Å] and the 4-methylphenyl ring is 77.29 (4)°. In the crystal, molecules are linked by π–π interactions between the benzene rings of neighbouring molecules [centroid–centroid distance = 3.847 (2) Å] and between the benzene and furan rings of neighbouring molecules [centroid–centroid distance = 3.743 (2) Å]. The molecules are stacked along thea-axis direction. In addition, pairs of C—H...O hydrogen bonds are observed between inversion-related dimers: these generateR22(12) loops.

scholarly journals Crystal structure of (7-chloro-2-oxo-2H-chromen-4-yl)methylN,N-dimethylcarbamodithioate

2015 ◽  
Vol 71 (4) ◽  
pp. o263-o264
Author(s):  
H. D. Kavitha ◽  
M. Vinduvahini ◽  
N. M. Mahabhaleshwaraiah ◽  
O. Kotresh ◽  
H. C. Devarajegowda
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Ring System ◽  
Maximum Deviation ◽  
Π Interactions ◽  
Compound C ◽  
Benzene Rings ◽  
Chromene Ring

In the title compound, C13H12Cl N O2S2, the 2H-chromene ring system is almost planar, with a maximum deviation of 0.005 (2) Å. The packing features C—H...S hydrogen bonds and π–π interactions between fused benzene rings of chromene [shortest centroid–centroid distances = 3.6553 (13) and 3.5551 (13) Å].

scholarly journals Crystal structure of 3-(2-bromophenylsulfonyl)-2,5,7-trimethyl-1-benzofuran

2014 ◽  
Vol 70 (11) ◽  
pp. o1152-o1152 ◽  
Author(s):  
Hong Dae Choi ◽  
Uk Lee
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Ring System ◽  
Axis Direction ◽  
Π Interactions ◽  
Compound C ◽  
Centroid Distance

In the title compound, C17H15BrO3S, the dihedral angle between the planes of the benzofuran ring system [r.m.s. deviation = 0.016 (2) Å] and the 2-bromophenyl ring is 82.93 (6)°. In the crystal, molecules are linkedviapairs of C—H...π hydrogen bonds and π–π interactions between the benzene and furan rings of neighbouring molecules [centroid–centroid distance = 3.881 (2) Å] into inversion-related dimers along theb-axis direction. These dimers are further linked by short Br...O [3.185 (2) Å] contacts.

3-(Thiazol-2-ylamino)isobenzofuran-1(3H)-one

2006 ◽  
Vol 62 (7) ◽  
pp. o2866-o2868 ◽  
Author(s):  
Mustafa Odabaşoğlu ◽  
Orhan Büyükgüngör
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Ring System ◽  
Thiazole Ring ◽  
Intermolecular Hydrogen Bonds ◽  
Π Interactions ◽  
Compound C

The crystal structure of the title compound, C11H8N2O2S, is stabilized by one N—H...N and two C—H...O intermolecular hydrogen bonds and also by three C—H...π interactions. The C—H...O hydrogen bonds generate R 4 4(26) ring motifs and the N—H...N and one of the C—H...O hydrogen bonds generate R 4 3(26) ring motifs. The phthalide ring system of the molecule is almost planar and forms a dihedral angle of 74.84 (9)° with the thiazole ring.

scholarly journals 2-{4-Methyl-N-[(2,3,4,9-tetrahydro-1H-carbazol-3-yl)methyl]benzenesulfonamido}ethyl 4-methylbenzenesulfonate

2013 ◽  
Vol 69 (12) ◽  
pp. o1797-o1798 ◽  
Author(s):  
Mustafa Göçmentürk ◽  
Yavuz Ergün ◽  
Berline Mougang-Soume ◽  
Nagihan Çaylak Delibaş ◽  
Tuncer Hökelek
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Ring System ◽  
Maximum Deviation ◽  
Indole Ring ◽  
Axis Direction ◽  
Π Interactions ◽  
Compound C ◽  
A Chain

In the title compound, C29H32N2O5S2, the indole ring system is nearly planar, with a maximum deviation of 0.013 (2) Å, and the cyclohexenone ring has an envelope conformation with the methine C atom as the flap. The two methylbenzene rings are approximately perpendicular to each other, making a dihedral angle of 89.09 (8)°. In the crystal, N—H...O hydrogen bonds link the molecules into a chain running along thea-axis direction, and weak C—H...O hydrogen bonds and C—H...π interactions are observed between the chains.

scholarly journals Crystal structure of 5-iodo-2-methyl-3-[(4-methylphenyl)sulfonyl]-1-benzofuran

2014 ◽  
Vol 70 (9) ◽  
pp. o1028-o1028
Author(s):  
Hong Dae Choi ◽  
Uk Lee
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Ring System ◽  
Axis Direction ◽  
Π Interactions ◽  
Compound C ◽  
Benzene Rings

In the title compound, C16H13IO3S, the dihedral angle between the planes of the benzofuran ring system [r.m.s. deviation = 0.015 (2) Å] and the 4-methylphenyl ring is 70.35 (5)°. In the crystal, molecules are linked by pairs of π–π interactions between the furan and benzene rings, with centroid–centroid distances of 3.667 (3) and 3.701 (3) Å. The molecules stack along thea-axis direction. In addition, pairs of C—H...O hydrogen bonds between inversion-related dimers [which generateR22(10) loops] and a short I...I [3.7534 (3) Å] contact are observed.

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

2013 ◽  
Vol 69 (11) ◽  
pp. o1684-o1685
Author(s):  
O. Kotresh ◽  
H. C. Devarajegowda ◽  
Arunkumar Shirahatti ◽  
K. Mahesh Kumar ◽  
N. M. Mahabhaleshwaraiah
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Interplanar Spacing ◽  
Ring System ◽  
Maximum Deviation ◽  
Pyrrolidine Ring ◽  
Compound C ◽  
Centroid Distance ◽  
Chromene Ring

In the title compound, C15H14ClNO2S2, the 2H-chromene ring system is essentially planar, with a maximum deviation of 0.0133 (10) Å. Three C atoms and their attached H atoms of the pyrrolidine ring are disordered [occupany ratio 0.874 (7):0.126 (7)] with both disorder components adopting a twisted conformation. The dihedral angle between the 2H-chromene ring system and the major occupancy component of the pyrrolidine ring is 89.45 (7)°. In the crystal, inversion dimers linked by pairs of C—H...S and C—H...O interactions generateR22(24) andR22(10) loops, respectively. Further C—H...O hydrogen bonds link the dimers into [100] chains. C—H...π interactions also occur and there is very weak π–π stacking [interplanar spacing = 3.650 (5) Å; centroid–centroid distance = 4.095 (7) Å] between inversion-related chlorobenzene rings.

scholarly journals Crystal structure of ethyl 2-{4-[(5-chloro-1-benzofuran-2-yl)methyl]-3-methyl-6-oxo-1,6-dihydropyridazin-1-yl}acetate

2015 ◽  
Vol 71 (5) ◽  
pp. o291-o292 ◽  
Author(s):  
Youness Boukharsa ◽  
Lahcen El Ammari ◽  
Jamal Taoufik ◽  
Mohamed Saadi ◽  
M'hammed Ansar
Keyword(s):  
Crystal Structure ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Ring System ◽  
Maximum Deviation ◽  
Ethyl Group ◽  
Compound C ◽  
Dimensional Network

In the title compound, C18H17ClN2O4, the dihedral angle between the benzofuran ring system [maximum deviation 0.014 (2) Å] and the oxopyradizine ring is 73.33 (8)°. The structure is characterized by disorder of the ethyl group, which is split into two parts, with a major component of 0.57 (3), and the acetate carbonyl O atom, which is statistically disordered. In the crystal, the molecules are linked by C—H...O interactions, forming a three-dimensional network.

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