Zobrazeno 1 - 10
of 46
pro vyhledávání: '"Abdul Qayyum Ather"'
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 7, Pp o2044-o2044 (2012)
In the title compound, C20H17N3O4, the dihedral angles between the heterocyclic ring and the toluene and nitrobenzene rings are 4.21 (15) and 11.43 (14)°, respectively. The whole molecule is close to planar (r.m.s. deviation for the 27 non-H atoms =
Externí odkaz:
https://doaj.org/article/ea435f6bb3b6486ab4f58f0267468001
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 7, Pp o2041-o2041 (2012)
In the title compound, C17H18N2O3S, the dihedral angles between the thiophene ring and the ethyl ester group and the pyridine-4-carboxamide unit are 7.1 (2) and 9.47 (11)°, respectively. An intramolecular N—H...O hydrogen bond generates an S(6) ri
Externí odkaz:
https://doaj.org/article/a2b6c031c35041b7ac9df49db4dade73
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 7, Pp o2042-o2042 (2012)
In the title compound, C13H17NO3S, the dihedral angles between the thiophene ring and the ethyl ester and acetamide groups are 5.21 (13) and 10.06 (16)°, respectively. The cyclohezene ring adopts a half-chair conformation. An S(6) ring is formed due
Externí odkaz:
https://doaj.org/article/74cc78c22ec24d1b88a8a514484a6c52
Autor:
Abdul Qayyum Ather, M. Nawaz Tahir, Muhammad Naeem Khan, Misbahul Ain Khan, Muhammad Makshoof Athar
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 2, Pp o438-o439 (2012)
The asymmetric unit of the title compound, C11H10ClN3O, contains two geometrically different molecules, A and B, in both of which the pyridazine rings are essentially planar with r.m.s. deviations of 0.0137 and 0.0056Å, respectively. In molecule A,
Externí odkaz:
https://doaj.org/article/9c51473731594d79bf0ecf5ebeb6d523
Autor:
Muhammad Naeem Khan, M. Nawaz Tahir, Misbahul Ain Khan, Munawar Ali Munawar, Abdul Qayyum Ather
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 6, Pp o1348-o1348 (2011)
In the title compound, C15H14O2S, the three fused rings are roughly coplanar, the largest deviation from the mean plane being 0.1285 (13) Å for the S atom. An intramolecular N—H...O hydrogen bond generates an S6 ring. In the crystal, intermolecula
Externí odkaz:
https://doaj.org/article/a6a6bf16a72246d5bdc3c2c455a2beeb
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 4, Pp o1020-o1020 (2011)
The asymmetric unit of the title compound, C9H11ClN4, contains two virtually planar molecules that differ in conformation about the bond connecting the hydrazine and pyridazine units. The 3-chloro-6-hydrazinylpyridazine and cyclopentane groups are or
Externí odkaz:
https://doaj.org/article/5804ce68c50348fc91b19060df46e09c
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 4, Pp o1021-o1021 (2011)
In the title compound, C14H12N2O2, the dihedral angle between the phenyl ring and the 3,4-dimethylpyrano[2,3-c]pyrazol-6(1H)-one system is 7.28 (6)°. An intramolecular C—H...O interaction generates an S(6) ring. In the crystal, the molecules are l
Externí odkaz:
https://doaj.org/article/8e2db9eefda9470e9e0f834758df088b
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 12, Pp o3170-o3170 (2010)
There are four molecules in the asymmetric unit of the title compound, C16H12N2O. The dihedral angle between the phenyl rings in the molecules are 22.2 (2), 22.4 (2), 25.1 (3) and 41.9 (2)°. In the crystal, molecules form dimers due to intermolecula
Externí odkaz:
https://doaj.org/article/d39c49a4db8d4126bf3aa2ca9176bb7c
Autor:
Muhammad Makshoof Athar, Misbahul Ain Khan, M. Nawaz Tahir, Abdul Qayyum Ather, Eliana Aparecida Silicz Bueno
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 10, Pp o2493-o2493 (2010)
In the title compound, C9H9ClN4, the dihedral angle between the aromatic rings is 6.25 (9)°. The whole molecule is approximately planar (r.m.s. deviation = 0.070 Å). In the crystal, π–π interactions between the centroids of the pyridazine rings
Externí odkaz:
https://doaj.org/article/6a8e91a7335546d3a3f80e882fb80c0a
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 10, Pp o2476-o2476 (2010)
In the title compound, C11H8Cl2N2O2, the 2,4-dichlorophenoxy and 1H-pyrazole groups are almost planar [r.m.s. deviations of 0.0157 and 0.0008 Å, respectively] and are oriented at a dihedral angle of 64.17 (5)° with respect to one another. In the cr
Externí odkaz:
https://doaj.org/article/10a69349a46c4876b6e1232e74fad6dd