Zobrazeno 1 - 5
of 5
pro vyhledávání: '"B. M. Sarhan"'
Publikováno v:
Ibn Al-Haitham Journal for Pure and Applied Sciences, Vol 24, Iss 1 (2017)
Some metal ions (Mn+2, Fe+2, Co+2,Ni+2,Cu+2 and Cd+2) complexes of N-acetyl Tryptophan (AcetrpH) and α-Picoline (α-Pic) have been synthesized and characterized on the basis of their FTIR,UV-Vis spectroscopy , conductivety measurements , magneti
Externí odkaz:
https://doaj.org/article/854250c894f24ca5989022eec45276da
Publikováno v:
Ibn Al-Haitham Journal for Pure and Applied Sciences, Vol 25, Iss 2 (2017)
The synthesis of complexes for (Ca+2, Co+2, Ni+2, Cu+2, Zn+2, Cd+2 and Hg+2) with new ligand (5-C-dimethyl malonyl-pentulose-γ-lactone-2,3-enedibenzoate) (L) have been successfully prepared and characterized by (1H and 13CNMR, FTIR, (U.V-Vis) spec
Externí odkaz:
https://doaj.org/article/ba2dc2568e994cfaa7a690667cf660a8
Publikováno v:
Ibn Al-Haitham Journal for Pure and Applied Sciences, Vol 25, Iss 3 (2017)
Some metal ions (Mn +2 , Fe +2 ,Co +2 ,Ni +2 ,Cu +2 , Cd +2 and Hg +2 ) complexes of N-acetyl Tryptophan( AcetrpH) and (2, 2′-bipyridine) (2, 2′-Bipy)have been synthesized and then characterized on the basis of their FT-IR, UV-Vis spectro
Externí odkaz:
https://doaj.org/article/6ad988562f6b4fb780a64f8b1ea50f7f
Publikováno v:
Ibn Al-Haitham Journal for Pure and Applied Sciences, Vol 26, Iss 2 (2017)
Complexes of (Co2+, Ni2+, Cu2+, Zn2+, Cd2+ and Hg2+) with the ligand Ethyl cyano (2methyl carboxylate phenyl azo acetate) (ECA) have been prepared and characterized by FTIR, (UV-Visible), Atomic absorption spectroscopy, Molar conductivity measurement
Externí odkaz:
https://doaj.org/article/9b0deabe79a74115863c4a300c2b27ea
Publikováno v:
Ibn Al-Haitham Journal for Pure and Applied Sciences, Vol 24, Iss 1 (2016)
The aim of this work is the synthesis of new derivatives of barbiturate of D-erythroascorbic acid. To obtain these derivatives, the 5,6-O-isopropylidene-L-ascorbic acid (4) was chosen, which was prepared from the reaction of L-ascorbic acid (3) as a
Externí odkaz:
https://doaj.org/article/87e4ac163fd54630a1543db9e0f0f92f