Zobrazeno 1 - 10
of 18
pro vyhledávání: '"AYOWOLE O. AYENI"'
Autor:
AYOWOLE O. AYENI, GARETH M. WATKINS
Publikováno v:
Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, Vol 21, Iss 4, Pp 453-462 (2020)
This study is aimed at evaluating the impact of N- and S- bonding modes of thiocyanate substituent on catecholase activity as its presence in the coordination sphere of the metal complex can either reduce catecholase activity or otherwise. 4-Methy
Externí odkaz:
https://doaj.org/article/b5084fa2fd094148ac74882b97a8efb4
Autor:
Olawale F. Akinyele, Emmanuel G. Fakola, Oluwaseun O. Olasunkanmi, Reama C. George, Lateefah M. Durosinmi, Ayowole O. Ayeni, Temitope A. Ajayeoba
Publikováno v:
Chemistry Africa.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::784c09df07b713f8a38ac579bd954cb4
https://doi.org/10.1007/s42250-023-00701-8
https://doi.org/10.1007/s42250-023-00701-8
Autor:
L. M. Durosinmi, E. G. Fakola, Ayowole O. Ayeni, Temitope Adekunle Ajayeoba, Olawale Folorunso Akinyele
Publikováno v:
Bulletin of the Chemical Society of Ethiopia. 34:471-478
The Mn(II), Co(II), Ni(II), Cu(II) and Zn(II) complexes of isoniazid (L1) mixed with 2,2-bipyridine (L2) were synthesized and characterized by solubility studies, percentage metal analysis, UV-Vis spectroscopy, IR spectroscopy, conductivity measureme
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f8b954ecbb07db7a5348de14b189e189
https://doi.org/10.4314/bcse.v34i3.4
https://doi.org/10.4314/bcse.v34i3.4
Publikováno v:
Revista de Chimie. 71:143-152
Four new [copper(II) and iron(III)] complexes were synthesized using N-(4-hydroxy-3-((piperidin-1-yl)methyl)phenyl)acetamide (HL) a Mannich base as ligand. All compounds were successfully characterized by elemental analysis, conductivity measurements
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a924859740fa71be1584f59260274f2
https://doi.org/10.37358/rc.20.9.8324
https://doi.org/10.37358/rc.20.9.8324
Autor:
Temitope Adekunle Ajayeoba, L. M. Durosinmi, Ayowole O. Ayeni, Olawale Folorunso Akinyele, Sunday Babatunde Adejayan
Publikováno v:
International Journal of ChemTech Research. 13:38-46
In this work, metal complexes of trimethoprim mixed metformin were synthesized and characterized by solubility studies, percentage metal analysis, UV-Vis spectroscopy, IR spectroscopy and magnetic susceptibility and conductivity measurements. The IR
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc5b4f2a5b7d2c6995fd84248081b80d
https://doi.org/10.20902/ijctr.2019.130205
https://doi.org/10.20902/ijctr.2019.130205
Autor:
Gareth M. Watkins, Ayowole O. Ayeni
Publikováno v:
Monatshefte für Chemie - Chemical Monthly. 149:2175-2182
This paper presents the synthesis and characterization of Cu(II) and Fe(III) complexes of a newly synthesized Mannich base N-[4-hydroxy-3-[[4-(pyridin-2-yl)piperazin-1-yl]methyl]phenyl]acetamide. The spectro-analytical techniques employed include 1H,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b72c2f62f00b8197945050504274fdc1
https://doi.org/10.1007/s00706-018-2291-y
https://doi.org/10.1007/s00706-018-2291-y
Autor:
Ayowole O. Ayeni, Gareth M. Watkins
Publikováno v:
TURKISH JOURNAL OF CHEMISTRY. 42:1275-1284
The synthesis and characterisation including 1 " role="presentation"> 1 1 ^{1} H and 13 " role="presentation"> 13 13 ^{13} C NMR spectroscopy of a Mannich~base~1,4-di-(5-acetamido-2-hydroxybenzyl)piperazine~is herein reported. The Mannich reaction le
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0af10cb30c8ba2ae5148de234fb7955
https://doi.org/10.3906/kim-1710-20
https://doi.org/10.3906/kim-1710-20
Autor:
Gareth M. Watkins, Ayowole O. Ayeni
Publikováno v:
Acta Chemica Iasi, Vol 26, Iss 1, Pp 59-73 (2018)
Four metal complexes viz Cu(II) and Fe(III) with or without thiocyanate have been synthesized from a Mannich base prepared by a simple synthetic route. These complexes were characterized by elemental and spectroscopic techniques. Bonding modes of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::93a71385350fc2d12ce325985a0dca0e
https://doaj.org/article/262bb8fe61344b9d8f59289f0370480a
https://doaj.org/article/262bb8fe61344b9d8f59289f0370480a
Publikováno v:
Journal of Molecular Structure. 1160:38-45
Two polymorphs (forms I and II) of a new Mannich base 4-methyl-2-((4-(4-nitrophenyl)piperazin-1-yl)methyl)phenol have been isolated and characterized by single crystal and powder (experimental and theoretical) X-ray diffraction, thermal analysis (di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e13f3c44ab7abf7e59300d044f3041e
https://doi.org/10.1016/j.molstruc.2018.01.068
https://doi.org/10.1016/j.molstruc.2018.01.068
Autor:
Gareth M. Watkins, Ayowole O. Ayeni
Publikováno v:
Journal of Molecular Structure. 1158:19-25
Four new metal complexes of a novel Mannich base 5-methyl-2-((4-(pyridin-2-yl)piperazin-1-yl)methyl)phenol (HL) have been prepared. The compounds were characterized by an array of analytical and spectroscopic methods including Nuclear Magnetic Resona
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b80107a602e7ba90de77de14e2d4dcf
https://doi.org/10.1016/j.molstruc.2017.12.011
https://doi.org/10.1016/j.molstruc.2017.12.011