Zobrazeno 1 - 10
of 43
pro vyhledávání: '"K.B. Umesha"'
Publikováno v:
Journal of Chemical and Pharmaceutical Sciences. 11:58-61
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a1b6b8772d93077e52ec4351cc91edd7
https://doi.org/10.30558/jchps.201811s01011
https://doi.org/10.30558/jchps.201811s01011
Publikováno v:
Journal of Chemical Sciences. 126:1913-1921
A series of 4-aryl-N-(4-pheny-thiazol-2-yl)-5,6-dihydro-4H-1,3,4-oxadiazine-2-carboxamides were synthesized by condensing 4-aryl-5,6-dihydro-4H-1,3,4-oxadiazine-2-carboxylic acid with 2-amino-4-aryl-thiazole derivatives. The newly synthesized molecul
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::193d26beb7dbbbeb0e593edcf68f8e45
https://doi.org/10.1007/s12039-014-0638-4
https://doi.org/10.1007/s12039-014-0638-4
Autor:
N. Srikantamurthy, Chandra, K.B. Umesha, Yusuf Sert, Çağrı Çırak, Madegowda Mahendra, S. Keskinoğlu
Publikováno v:
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy. 139
In this study the experimental and theoretical vibrational frequencies of a newly synthesized anti-tumor, antiviral, hypoglycemic, antifungal and anti-HIV agent namely, 5-Methyl-3-phenylisoxazole-4-carboxylic acid has been investigated. The experimen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::069e5c2e91f37c6827bb1ad47572b2c2
https://pubmed.ncbi.nlm.nih.gov/25554964
https://pubmed.ncbi.nlm.nih.gov/25554964
Publikováno v:
Acta Crystallographica Section E, Vol 70, Iss 6, Pp o661-o661 (2014)
Acta Crystallographica Section E: Structure Reports
Acta Crystallographica Section E: Structure Reports
The asymmetric unit of title compound, C12H12N2O4, consists of two independent molecules. In each molecule, the oxadiazine ring has a flattened envelope conformation with the methylene C atom as the flap atom, and the ethoxycarbonyl unit is in asyn-p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::318d746655d283ac4d6e94f2bb4a0377
http://scripts.iucr.org/cgi-bin/paper?S1600536814011106
http://scripts.iucr.org/cgi-bin/paper?S1600536814011106
Publikováno v:
AIP Conference Proceedings.
The title compound, C19H18N2O2, was investigated by single crystal X-ray diffraction method. It crystallizes in monoclinic class under the space group P21/c with cell parameters a= 8.4593(4) A, b=15.6284(6) A, c=12.4579(5) A, α=90°, β=98.241(3)°,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f295b7978d04fc9e79cc1a19d2e61b4
https://doi.org/10.1063/1.4872901
https://doi.org/10.1063/1.4872901
Autor:
K.B. Umesha, Shamantha Kumar, N. Srikantamurthy, Chandra, Beeranahally H. Doreswamy, Madegowda Mahendra
Publikováno v:
Acta Crystallographica Section E: Structure Reports
In the title compound, C24H20N4O2, the pyrazole ring makes dihedral angles of 47.57 (10)° and 30.56 (11)° with its N-bound and C-bound phenyl groups, respectively. The C—N—N—C group that links the two carbonyls has a torsion angle of 81.5 (2)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::831681e054cc6bff17a4a250e01bb98d
https://pubmed.ncbi.nlm.nih.gov/24454218
https://pubmed.ncbi.nlm.nih.gov/24454218
Autor:
G. J. Vishalakshi, S. Jeyaseelan, N. Srikantamurthy, Chandra, Madegowda Mahendra, K.B. Umesha
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 6, Pp o897-o897 (2013)
Acta Crystallographica Section E: Structure Reports
Acta Crystallographica Section E: Structure Reports
In the title compound, C11H9NO3, the phenyl and isoxazole rings form a dihedral angle of 56.64 (8)°. The carboxy group is almost in the same plane as the isoxazole ring with a C—C—C—O torsion angle of −3.3 (2)°. In the crystal, pairs of O
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3f1d2690f7774cdfe8efbaf40836554c
http://scripts.iucr.org/cgi-bin/paper?S1600536813011410
http://scripts.iucr.org/cgi-bin/paper?S1600536813011410
Publikováno v:
Acta Crystallographica Section E: Structure Reports
Acta Crystallographica Section E, Vol 69, Iss 6, Pp o987-o987 (2013)
Acta Crystallographica Section E, Vol 69, Iss 6, Pp o987-o987 (2013)
In the title compound, C13H13NO3, the dihedral angle between the phenyl and isoxazole rings is 43.40 (13)°. The ethoxycarbonyl group is rotated out of the plane of the isoxazole ring by 16.2 (13)°.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::57efd1727a93ffa1d1c02a4a95198d6d
https://pubmed.ncbi.nlm.nih.gov/23795139
https://pubmed.ncbi.nlm.nih.gov/23795139
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 3, Pp o388-o388 (2013)
Acta Crystallographica Section E: Structure Reports
Acta Crystallographica Section E: Structure Reports
In the title compound, C12H11NO4, the dihedral angle between the benzene and isoxazole rings is 42.52 (8)°. The carboxylic acid group is close to being coplanar with the isoxazole ring [dihedral angle = 5.3 (2)°]. In the crystal, inversion dimers l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::17c12ffc3fb8a8a5de47cb340d867175
http://scripts.iucr.org/cgi-bin/paper?S1600536813004029
http://scripts.iucr.org/cgi-bin/paper?S1600536813004029
Publikováno v:
Acta Crystallographica Section E: Structure Reports
In the molecule of the title compound, C16H16N4O, the pyrazole ring makes dihedral angles of 8.52 (13) and 9.26 (12)° with the phenyl rings. The dihedral angle between the benzene rings is 1.86 (13)°. In the crystal, molecules are linked into centr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::04da9623c5db847ab930a6819d600242
https://pubmed.ncbi.nlm.nih.gov/22719457
https://pubmed.ncbi.nlm.nih.gov/22719457