Results 81 to 90 of about 741,265 (208)

Methyl 2-allyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

Acta Crystallographica Section E, 2009
In the title compound, C13H13NO5S, the thiazine ring adopts a distorted half-chair conformation. Intramolecular O—H...O and C—H...O hydrogen bonds give rise to two six-membered hydrogen bonded rings.
Islam Ullah Khan, Muhammad Zia-ur-Rehman, Muhammad Nadeem Arshad   +2 more
doaj   +1 more source

4-Fluoro-N-[3-(2-fluorophenyl)-4-methyl-2,3-dihydro-2-thienylidene]-benzamide [PDF]

, 2009
In the title compound, C17H12F2N2OS, the planar thiazole ring (r.m.s. deviation = 0.012 Å) makes dihedral angles of 15.08 (9) and 81.81 (6)° with the 4-fluorophenyl and 2-fluorophenyl rings, respectively.
Aamer Saeed, Uzma Shaheen, Muhammad Latif, Michael Bolte, Blessing, Flack, Hosseinimehr, Kim, Pietrancosta, Saeed, Saeed, Sheldrick, Spek, Vicini, Zhang   +14 more
core   +2 more sources

Crystal structures of 2-[(4,6-diaminopyrimidin-2-yl)sulfanyl]-N-(naphthalen-1-yl)acetamide and 2-[(4,6-diaminopyrimidin-2-yl)sulfanyl]-N-(4-fluorophenyl)acetamide

Acta Crystallographica Section E: Crystallographic Communications, 2017
The title compounds, C16H15N5OS, (I), and C12H12FN5OS, (II), are [(diaminopyrimidine)sulfanyl]acetamide derivatives. In (I), the pyrimidine ring is inclined to the naphthalene ring system by 55.5 (1)°, while in (II), the pyrimidine ring is inclined to ...
S. Subasri, Timiri Ajay Kumar, Barij Nayan Sinha, Venkatesan Jayaprakash, Vijayan Viswanathan, Devadasan Velmurugan   +5 more
doaj   +1 more source

17-Acetoxymulinic acid [PDF]

, 2010
The title compound, [systematic name: 5a-acetoxymethyl-3-isopropyl-8-methyl-1,2,3,3a,4,5,5a,6,7,10,10a,10b-dodecahydro-7,10-endo-epidioxycyclohepta[e]indene-3a-carboxylic acid], C22H32O6 (I), is closely related to methyl 5a-acetoxymethyl-3-isopropyl-8 ...
Brito, Iván, Bórquez, Jorge, Albanez, Joselyn, Bolte, Michael, Peña-Rodríguez, Luis Manuel   +4 more
core   +2 more sources

Crystal structure and Hirshfeld surface analyses, intermolecular interaction energies and energy frameworks of methyl 6-amino-5-cyano-2-(2-methoxy-2-oxoethyl)-4-(4-nitrophenyl)-4H-pyran-3-carboxylate

Acta Crystallographica Section E: Crystallographic Communications
The title compound, C17H15N3O7, contains pyran and phenyl rings, with the pyran ring exhibiting a flattened-boat conformation. In the crystal, intermolecular N—H...N hydrogen bonds link the molecules into centrosymmetric dimers, forming R22(12) ring ...
Farid N. Naghiyev, Tuncer Hökelek, Victor N. Khrustalev, Huseyn M. Mamedov, Alebel N. Belay, Jamshid Ashurov, Ibrahim G. Mamedov   +6 more
doaj   +1 more source

(E)-N′-(3,4-Dimethoxybenzylidene)nicotinohydrazide monohydrate

Acta Crystallographica Section E, 2014
In the title hydrated compound, C15H15N3O3·H2O, the nicotinohydrazide molecule adopts a trans conformation with respect to the C=N double bond. The dihedral angle between the benzene and pyridine rings is 5.10 (14)°.
J. Josephine Novina, G. Vasuki, M. Suresh, M. Syed Ali Padusha   +3 more
doaj   +1 more source

2-(3-Oxo-3,4-dihydro-2H-1,4-benzothiazin-4-yl)acetamide [PDF]

, 2010
【Abstract】In the title compound, C10H10N2O2S, the thiazine ring approximates to an envelope form with the S atom in the flap position. The amide group attached to the acetate group is almost perpendicular to the mean plane of the thiazine ring [dihedral ...
Azher Saeed, Zaid Mahmood, Shiyao Yang, 杨士烑, Muhammad Salim, Muhammad Saleem Akhtar   +5 more
core   +1 more source

1-(3-Oxo-3-phenylpropyl)piperidinium chloride

Acta Crystallographica Section E, 2013
In the title salt, C14H20NO+·Cl−, the piperidine ring adopts a chair conformation. In the crystal, the cations and anions are linked by classical N—H...Cl hydrogen bond and weak C—H...Cl and C—H...O hydrogen bonds; the C ...
P. Nagendra, N. K. Lokanath, B. P. Siddaraju, S. Madan Kumar, Venkatramu Anuradha   +4 more
doaj   +1 more source

3-(4-Bromophenylsulfonyl)-8-methyl-1,3-diazaspiro[4.5]decane-2,4-dione [PDF]

, 2009
The crystal structure of the title compound, C15H17BrN2O4S, is stabilized by intermolecular N-H...O hydrogen bonds which link the molecules into centrosymmetric dimers.
M. Kalim Kashif, M. Khawar Rauf, Michael Bolte, Shahid Hameed, Blessing, DeFronzo, Feinglos, Gauthier, Hussain, Hussain, Kashif, Kashif, Murakami, Sheldrick, Spek, Tiwari   +15 more
core   +1 more source

5-Amino-1H-1,2,4-triazol-4-ium hydrogen oxalate

Acta Crystallographica Section E, 2013
In the title salt, C2H5N4+·C2HO4−, the hydrogen oxalate anions form corrugated chains parallel to the c axis, linked by intermolecular O—H...O hydrogen bonds.
Mohamed Rzaigui, Salem S. Al-Deyab, Houda Marouani, Manel Essid   +3 more
doaj   +1 more source