Zobrazeno 1 - 10
of 210
pro vyhledávání: '"C. S. Chidan Kumar"'
Autor:
S. N. Sheshadri, C. S. Chidan Kumar, S. Naveen, M. K. Veeraiah, Kakarla Raghava Reddy, Ismail Warad
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 75, Iss 11, Pp 1792-1796 (2019)
The title compound, C15H10ClNO5, is relatively planar with the two aromatic rings being inclined to each other by 3.56 (11)°. The central —C(=O)—C–O—C(=O)— bridge is slightly twisted, with a C—C—O—C torsion angle of 164.95 (16)°. In
Externí odkaz:
https://doaj.org/article/caa4e26e7b164e969df244eb16438bf9
Autor:
T. N. Sanjeeva Murthy, C. S. Chidan Kumar, S. Naveen, M. K. Veeraiah, Kakarla Raghava Reddy, Ismail Warad
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 75, Iss 11, Pp 1763-1767 (2019)
2-(4-Nitrophenyl)-2-oxoethyl picolinate, C14H10N2O5, was synthesized under mild conditions. The chemical and molecular structures were confirmed by single-crystal X-ray diffraction analysis. The molecules are linked by inversion into centrosymmetric
Externí odkaz:
https://doaj.org/article/59142138f2ff419aa11a05df5171e5ee
Autor:
S. N. Sheshadri, C. S. Chidan Kumar, S. Naveen, M. K. Veeraiah, Kakarla Raghava Reddy, Ismail Warad
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 75, Iss 11, Pp 1719-1723 (2019)
The title compound, C15H11NO5, is relatively planar, with the planes of the two aromatic rings being inclined to each other by 3.09 (5)°. In the crystal, molecules are linked by a pair of C—H...O hydrogen bonds, forming inversion dimers, which enc
Externí odkaz:
https://doaj.org/article/0e5aeb7eda5449719ab6ba0bae0da944
Autor:
Sevim Türktekin Çelikesir, S. N. Sheshadri, Mehmet Akkurt, C. S. Chidan Kumar, M. K. Veeraiah
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 75, Iss 7, Pp 942-945 (2019)
The molecular structure of the title compound, C17H14ClFO3, consists of a 4-chloro-3-fluorophenyl ring and a 3,4-dimethoxyphenyl ring linked via a prop-2-en-1-one spacer. The molecule has an E configuration about the C=C bond and the carbonyl group i
Externí odkaz:
https://doaj.org/article/a181960d310a49c097bdbca377722eda
Autor:
T. N. Sanjeeva Murthy, Zeliha Atioğlu, Mehmet Akkurt, M. K. Veeraiah, Ching Kheng Quah, C. S. Chidan Kumar, B. P. Siddaraju
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 75, Iss 2, Pp 124-128 (2019)
The molecular structure of the title compound, C13H7Cl3OS, consists of a 2,5- dichlorothiophene ring and a 2-chlorophenyl ring linked via a prop-2-en-1-one spacer. The dihedral angle between the 2,5-dichlorothiophene and 2-chlorophenyl rings is 9.69
Externí odkaz:
https://doaj.org/article/cc3bd2534bc24f72912be192525e289a
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 75, Iss 2, Pp 146-149 (2019)
In the title compound, C15H10BrFO, the molecular structure consists of a 3-bromophenyl ring and a 4-fluorophenyl ring linked via a prop-2-en-1-one spacer. The 3-bromophenyl and 4-fluorophenyl rings make a dihedral angle of 48.90 (15)°. The molecule
Externí odkaz:
https://doaj.org/article/bee45c4cf3514e5eb17551c8d274ee87
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 75, Iss 2, Pp 264-267 (2019)
In the title chalcone derivative, C15H9BrCl2O, the aryl rings are inclined to each by 14.49 (17)°, and the configuration about the C=C bond is E. There is a short intramolecular C—H...Cl contact present resulting in the formation of an S(6) ring m
Externí odkaz:
https://doaj.org/article/98c8a60e4e68421ca75f86bda9d6c7e8
Autor:
Qin Ai Wong, Tze Shyang Chia, Huey Chong Kwong, C. S. Chidan Kumar, Ching Kheng Quah, Md. Azharul Arafath
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 75, Iss 1, Pp 53-57 (2019)
The molecular structure of the title chalcone derivative, C15H10FNO3, is nearly planar and the molecule adopts a trans configuration with respect to the C=C double bond. The nitro group is nearly coplanar with the attached benzene ring, which is near
Externí odkaz:
https://doaj.org/article/ee7da8b9b5034629ac868a65d6556ad4
Autor:
Tze Shyang Chia, Huey Chong Kwong, Ai Jia Sim, Weng Zhun Ng, Qin Ai Wong, C. S. Chidan Kumar, Ching Kheng Quah, Md. Azharul Arafath
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 75, Iss 1, Pp 49-52 (2019)
In this study, a new monoclinic polymorph (space group C2/c) of 2,2′-methylenebis(isoindoline-1,3-dione), C17H10N2O4, is reported and compared to the previously reported triclinic polymorph (space group P\overline{1}). Similarly, both polymorphs co
Externí odkaz:
https://doaj.org/article/f0244ec0d9844efc958846b29a67f530
Autor:
T. N. Sanjeeva Murthy, Zeliha Atioğlu, Mehmet Akkurt, C. S. Chidan Kumar, M. K. Veeraiah, Ching Kheng Quah, B. P. Siddaraju
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 74, Iss 9, Pp 1201-1205 (2018)
The molecular structure of the title compound, C13H6Cl4OS, consists of a 2,5-dichlorothiophene ring and a 2,4-dichlorophenyl ring linked via a prop-2-en-1-one spacer. The dihedral angle between the 2,5-dichlorothiophene ring and the 2,4-dichloropheny
Externí odkaz:
https://doaj.org/article/fc1b2fdacb074de29c0d15dee1350f39