Zobrazeno 1 - 10
of 339
pro vyhledávání: '"Bao-Xiang Zhao"'
Autor:
Shi-Li Shen, Liang-Wen Zheng, Sheng-Qing Wang, Yan-Ru Zhang, Yuan Zhang, Ying Rui Liu, Bao-Xiang Zhao
Publikováno v:
ARKIVOC, Vol 2013, Iss 4, Pp 44-56 (2013)
Externí odkaz:
https://doaj.org/article/0c72beedc7d94c64a550dc8f39cd1da1
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 8, Pp o1910-o1911 (2011)
In the title compound, C20H17ClN2O3, the dihedral angles between the pyrazole ring and the substituted and unsubstituted benzene rings are 3.64 (13) and 81.15 (17)°, respectively. Molecules are connected via three pairs of weak hydrogen bonds into a
Externí odkaz:
https://doaj.org/article/aad6c4a5fb8b41a28c128203a9ae22b3
Autor:
Liang-Wen Zheng, Bao-Xiang Zhao
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 8, Pp o1949-o1949 (2011)
In the title compound, C19H17ClN2O2, the pyrazole ring is almost planar with a maximum deviation of 0.009 (3) Å and makes a dihedral angle of 8.96 (9)° with the oxazine ring. The dihedral angles between the pyrazole ring and the chlorine- and metho
Externí odkaz:
https://doaj.org/article/b6bb9c12283d43a8b1127fe9b2a65ab4
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 12, Pp o3106-o3106 (2010)
The title Schiff base compound, C10H10Cl3NO, was prepared by the condensation of 1-(3,5-dichloro-2-hydroxyphenyl)ethanone with chloroethylamine. The imine adopts an E configuration with respect to the C=N bond. The H atom of the phenolic OH group is
Externí odkaz:
https://doaj.org/article/257b0f273fdf4400a3aff7d37372afb4
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 10, Pp m1275-m1275 (2010)
In the title compound, [Fe(C5H5)(C24H18N3O2S)], the pyrazoline ring adopts a twist conformation. The thiazole ring forms dihedral angles of 83.7 (2) and 34.4 (2)° with the benzene ring of the benzodioxole ring and the fused phenyl ring, respectively
Externí odkaz:
https://doaj.org/article/186807c57b4c4c8a9ff4706a8f127182
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 7, Pp o1457-o1457 (2009)
In the title compound, C22H22ClN3O3, the dihedral angles between the planes of the benzene rings and the pyrazole ring are 16.05 (10) and 84.84 (10)°. The conformation of the six-membered heterocyclic ring is close to a screw-boat. The crystal packi
Externí odkaz:
https://doaj.org/article/dfec358686294adbae87d070831d831d
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 6, Pp o1273-o1273 (2009)
In the title compound, C21H22N2O2, the mean plane of the pyrazole ring makes dihedral angles of 18.80 (12) and 77.13 (5)°, respectively, with the mean planes of the phenyl and tert-butylbenzyl rings. The carboxylate group is inclined at 8.51 (14)°
Externí odkaz:
https://doaj.org/article/9991372543c14c9a9f0c50c61b59ee54
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 4, Pp o865-o866 (2009)
In the title compound, C24H21ClN4O2, the pyrazole ring makes dihedral angles of 7.70 (11), 89.17 (11) and 40.68 (11)° with the phenyl, pyridine and ethoxyphenyl rings, respectively. There are some intramolecular C—H...O and C—H...π bonds giving
Externí odkaz:
https://doaj.org/article/06e765d8cb664cb29893458d5c798553
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 1, Pp o166-o166 (2008)
In the title molecule, C18H20N2O4, which resides on a crystallographic centre of inversion (at the centre of the N—N bond), all non-H atoms apart from the methoxy substituent are approximately coplanar. The structure displays intramolecular O—H..
Externí odkaz:
https://doaj.org/article/a60ed5fbb7a8467fa21b334dcdf9fc11
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 1, Pp o64-o64 (2008)
In the title compound, C17H20N2O5, all bond lengths and angles show normal values. The dihedral angle between the pyrazole ring and the benzene ring is 6.98 (11)°. The molecules are linked by intermolecular C—H...π interactions.
Externí odkaz:
https://doaj.org/article/626722165f6642cfbdbad4b1f4778fb3