The Schiff base complexes of Cu (II), Cd (II), Ni (II), and Co (II) ions were synthesized utilizing Schiff base ligand. The Schiff base ligand was produced through the reaction of isoniazid with equimolar quantities of p-nitrobenzaldehyde yielding final product of N'-(4-nitrobenz...
Open access
Research Article10.9734/irjpac/2024/v25i3856
The ligand, L is the Schiff base formed by condensation of 1- naphthaldehyde with semicarbazide and its Cu(II) complex have been synthesized and characterized by elemental and thermogravimetric analysis and molar conductivity, magnetic and spectroscopic measurements. Elemental an...
Open access
Research Article10.9734/ajarr/2020/v10i130231
Rice is regarded as one of the most valuable sources which is consumed by almost fifty percent of the world’s population. Rice husk ash is a by-product substance obtained from the rice husk by thermal and chemical treatment. The non-crystalline nature of silica content in rice hu...
Open access
Research Article10.9734/ajocs/2024/v14i2296
Two complexes of Cu(II) and Ni(II) with the ligand N- (4-methoxybenzylidene) isonicotinohydrazide, having the formula [M(La)2]2+ (M = Cu(II) and Ni(II)) were synthesized. The ligand was synthesized by the condensation of isonicotinic acid hydrazide (isoniazid) with 4- methoxybenz...
Open access
Research Article10.9734/ajocs/2019/v6i118987
Three new Mo(VI) peroxo complexes [MoO(O2)(Val)2(IQ)2], [MoO(O2)(Val)2(2-Apy)] and K[MoO(O2)(Val)2(8-HQ)], where Val = Valine, 2-Apy = 2-Aminopyridine, IQ = Isoquinoline, and 8-HQ = 8-Hydroxyquinoline were prepared and characterized by elemental analysis, conductivity, magnetic m...
Open access
Research Article10.9734/AJOCS/2018/42722
Md. Abdul Mannan, Md. Shamsul Alam, Farhana Mustari, Md. Kudrat-E-Zahan, Roushown Ali, A. B. M. Hamidul Haque, Shahed Zaman & Debashish Talukder·European Journal of Medicinal Plants·2017
A comparison of in vitro antioxidant, antimicrobial, insecticidal and cytotoxic activities of two medicinal plants, Allamanda cathartica and Mimusops elengi have been studied by spectrophotometric and disk diffusion methods in this research. It was observed that different leaf ex...
Open access
Research Article10.9734/EJMP/2017/35730
Ummay Salma, Md. Sohel Rana, Jannatul Ferdous, Md. Faruk Hossen, Md. Kudrat-E-Zahan, Rausan Zamir & Md. Ali Asraf·Asian Journal of Chemical Sciences·2022
The ligand, N,N'-bis(salicylidine)ethylenediamine or salen (L), and its complexes 1-3 with Ni(II), Cu(II) and Mn(II) were synthesized. Various analytical methods such as microanalysis, 1H-NMR, 13C-NMR, ESI-MS and FT-IR spectroscopy has been used to characterize the synthesized co...
Open access
Research Article10.9734/ajocs/2022/v12i4228
Farzana Khanm Camellia, Md. Ashrafuzzaman, Md. Nazrul Islam, Laila Arjuman Banu & Md. Kudrat-E-Zahan·Asian Journal of Chemical Sciences·2022
Cr3+, Co2+, Ni2+, Cu2+ and Zn2+ ions complexes of the Schiff base ligand, N-(4-hydroxybenzylidene)isonicotinohydrazone (L1), were synthesized and characterized by analytical and physicochemical techniques including conductivity measurements, magnetic susceptibility measurements,...
Open access
Research Article10.9734/ajocs/2022/v11i419130
Md. Abdul Mannan, Zahidul Islam, Md. Jakir Hossen, A. B. M. Hamidul Haque, Md. Kudrat-E-Zahan, Shahed Zaman & Debashish Talukder·Asian Journal of Chemical Sciences·2017
Objective: This present study has been undertaken to evaluate the antimicrobial, antifungal and cytotoxic properties of four different fractionates such as petroleum ether, chloroform, ethyl acetate and dia-ion resin adsorbed fractions of Abroma augusta leaf extract. Methodology:...
Open access
Research Article10.9734/AJOCS/2017/35638
Md. Ashraful Islam, Md. Sohanur Rahman, Faria Tasnim, Toukir Biswas, Md. Faruk Hossen, Md. Kudrat-E-Zahan & Md. Ali Asraf·Asian Journal of Chemical Sciences·2025
A Schiff base ligand (L), N-benzylidene-isonicotinohydrazide (C₁₃H₁₁N₃O), was synthesized via the condensation of benzaldehyde and isoniazid in an ethanolic medium. The ligand was characterized by FT-IR, ¹HNMR, UV-Vis, ESI-MS, and elemental analysis, confirming its successful for...
Open access
Research Article10.9734/ajocs/2025/v15i2365
Md. Tariqul Islam, Md. Nur Amin Bitu, Md. Saddam Hossain, Md. Ali Asraf, Choudhury M. Zakaria, Md. Kudrat-E-Zahan & Md. Faruk Hossen·Asian Journal of Chemical Sciences·2024
S-benzyldithiocarbazate (SBDTC) and S-methyldithiocarbazate (SMDTC) are working as a preliminary reactant for the synthesis of several Schiff base ligands. SBDTC and SMDTC can act as NS, SNNS, SNNNS, and NOS chelating agents and have biological and chemical potential for synthesi...
Open access
Research Article10.9734/ajocs/2024/v14i4314
Mst. Sadia Afrin Dalia, Farhana Afsan, Md. Saddam Hossain, Md. Abdul Mannan, M. M. Haque & Md. Kudrat-E-Zahan·Asian Journal of Chemical Sciences·2018
Some metal complexes of Zn(II), Mn(II) and Ni(II) ions with tetradentate N, O coordinating Schiff base ligand [2-bis(2-hydroxybenzylidene)}hydrazinecarboxamide], (C15H13N3O3) were synthesized. The Schiff base ligand was derived from the condensation of semicarbazide hydrochloride...
Open access
Research Article10.9734/AJOCS/2018/42355
N-(4-methoxybenzylidene) isonicotinohydrazone (L1) Schiff base ligand was prepared by the condensation reaction of isonicotinic acid hydrazide (INH) and 4-methoxybenzaldehyde. A series of metal complexes of Ni2+, Cu2+ and Zn2+ ions was synthesized with Schiff base ligand (primar...
Open access
Research Article10.9734/ajocs/2023/v13i6262
Two mixed ligands (L1, L2), L1 = N-(4-methoxybenzylidene) isonicotinohydrazone, L2 = 2-aminophenol, and their metal (Cu2+, Ni2+, and Zn2+) complexes with stoichiometry (1:1:1) were synthesized and characterized by analytical and physico-chemical techniques such as conductivity, m...
Open access
Research Article10.9734/ajocs/2023/v13i5258
New complexes of Cu (II) and Ni (II) of the Schiff Base, 2-(((2-((4-hydroxybenzylidene) amino)ethyl)imino)methyl) phenol were synthesized and characterized by analytical and physico-chemical techniques including magnetic susceptibility, conductivity measurements, electronic and...
Open access
Research Article10.9734/ajocs/2020/v7i219018