Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Manju Sebastian"'
Autor:
T. Geetha, John K. Smitha, Manju Sebastian, Mathew Irimpan Litty, Bincy Joseph, Jincy Joseph, T.S. Nisha
Publikováno v:
Heliyon, Vol 10, Iss 21, Pp e39450- (2024)
In the present study, Coconut Husk Biochar (CHB) was synthesize from widely available, locally sourced agro waste, coconut husk and characterized using different techniques like scanning electron microscopy (SEM), Brunauer-Emmett-Teller (BET) analysi
Externí odkaz:
https://doaj.org/article/d2f24af3aa0f4c51b4d09f97b8cac0ba
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 8, Pp o1981-o1981 (2009)
In the title molecule, C16H11N5, the mean planes of the quinoxaline and indazole fragments form a dihedral angle of 10.62 (5)°. In the crystal, weak intermolecular N—H...N hydrogen bonds link the molecules into zigzag chains extending in the [001]
Externí odkaz:
https://doaj.org/article/996d51c4d8b94fe0b59bffec65fbf384
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 4, Pp o919-o919 (2009)
The asymmetric unit of the title compound, C11H8N4, contains two independent molecules. In the crystal structure, intermolecular N—H...N hydrogen bonds link molecules into ribbons extended in the [100] direction.
Externí odkaz:
https://doaj.org/article/e39cd92f01ed451da6f2e22be8f84580
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 2, Pp o435-o435 (2009)
In the molecule of the title compound, C20H16N6, the central C—C bond lies on a crystallographic inversion centre. The quinoxalidine ring is nearly planar, with a maximum deviation of 0.021 (2) Å from the mean plane. The crystal structure is stabi
Externí odkaz:
https://doaj.org/article/c6d2215f636e4331bcb655509068d435
Publikováno v:
Chemical Data Collections. 26:100351
New complexes of Co(II), Ni(II), Cu(II), and Zn(II) with the Schiff base, 3-{(E)-[(2‑hydroxy-4-methylphenyl)imino]methyl}quinoxalin-2(1H)-one, derived from 3-hydroxyquinoxaline-2-carboxaldehyde and 2-amino-5-methylphenol and their corresponding zeo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a7cae98ffe19ec4b8b64b138e6096983
https://doi.org/10.1016/j.cdc.2020.100351
https://doi.org/10.1016/j.cdc.2020.100351
Autor:
Digna Varghese, P. Leeju, K. K. M. Yusuff, Manju Sebastian, P.P. Robinson, G. Varsha, V. Arun
Publikováno v:
Journal of Coordination Chemistry. 64:525-533
New Schiff base complexes of Mn(II), Fe(III), Co(II), Ni(II), Cu(II), and Zn(II) were synthesized by template condensation of quinoxaline-2-carboxaldehyde, L-histidine, and the metal compound, and were characterized by elemental analysis, fourier tra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::716e60208e275baed70b16a1c08dd9f8
https://doi.org/10.1080/00958972.2010.549940
https://doi.org/10.1080/00958972.2010.549940
Publikováno v:
Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry. 40:541-547
A new benzothiazoline derivative, 3-(2,3-dihydro-1,3-benzo- thiazol-2-yl)quinoxalin-2(1H)-one, has been synthesized by the reaction of 3-hydroxyquinoxaline-2-carboxaldehyde with 2-mercaptoaniline. Its complexation with Mn(II), Co(II), Ni(II), Cu(II),
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6542e8072969cf20a15e01469129a7e7
https://doi.org/10.1080/15533174.2010.503219
https://doi.org/10.1080/15533174.2010.503219
Autor:
Digna Varghese, K. K. M. Yusuff, P.P. Robinson, P. Leeju, V. Arun, G. Varsha, Manju Sebastian, V.P. Jayachandran
Publikováno v:
Tetrahedron Letters. 51:2174-2177
An efficient one-pot synthesis of two new heterocyclic perimidines 4-(2,3-dihydro-1H-perimidin-2-yl)-2-methoxyphenol and 2-(quinoxalin-2-yl)-2,3-dihydro-1H-perimidine in good yields is presented. This methodology provides a simple, straightforward sy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::93986c94f068f0198d07cd56f35aa393
https://doi.org/10.1016/j.tetlet.2010.02.077
https://doi.org/10.1016/j.tetlet.2010.02.077
Autor:
P. Leeju, V. Arun, K. K. M. Yusuff, P.P. Robinson, Digna Varghese, Manju Sebastian, G. Varsha
Publikováno v:
Journal of Coordination Chemistry. 63:307-314
The mononuclear cobalt(II) complex [CoL2] · H2O (where HL is quinoxaline-2-carboxalidine-2-amino-5-methylphenol) has been prepared and characterized by elemental analysis, conductivity measurement, IR, UV-Vis spectroscopy, TG−DTA, and X-ray struct
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0032abc455933acb302418e37da53409
https://doi.org/10.1080/00958970903342117
https://doi.org/10.1080/00958970903342117
Autor:
P. Leeju, K. K. M. Yusuff, P.P. Robinson, Digna Varghese, Manju Sebastian, G. Varsha, V. Arun
Publikováno v:
Acta crystallographica. Section C, Crystal structure communications. 65(Pt 12)
The Schiff base compounds N,N'-bis[(E)-quinoxalin-2-ylmethylidene]propane-1,3-diamine, C(21)H(18)N(6), (I), and N,N'-bis[(E)-quinoxalin-2-ylmethylidene]butane-1,4-diamine, C(22)H(20)N(6), (II), crystallize in the monoclinic crystal system. These mole
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f0517f39cb1c708a84eef989ab7933d4
https://pubmed.ncbi.nlm.nih.gov/19966442
https://pubmed.ncbi.nlm.nih.gov/19966442