Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Nihad I. Taha"'
Autor:
Nihad I. Taha
Publikováno v:
Kirkuk Journal of Science, Vol 10, Iss 4, Pp 1-13 (2015)
This work is included synthesis of 1,3- oxazepine-4,7-dione, by reaction of hydrozones with malic and phthalic anhydrides through cycloaddition reaction in which is used microwave radiation under unhydrous condition,then identified the product by mea
Externí odkaz:
https://doaj.org/article/af402a91ef084830815ada949045b897
Publikováno v:
International Journal of Organic Chemistry. 11:35-45
This work contributes to the improvement of the azo group which has outstanding electron donating capability and serves as excellent ligands in the field of coordination chemistry. The authors of this research deal with the microwave irradiation synt
Publikováno v:
International Journal of Organic Chemistry. :309-318
Nine new tetra Schiff bases (M2 - M9) were prepared in moderate yields via the condensation of different aromatic amines and bis-Schiff base (M1) in microwave synthesizer. Also five new azo-Schiff bases (M16 - M20) were prepared by the condensation o
Autor:
Hasan A. Mohammed, Nihad I. Taha
Publikováno v:
International Journal of Organic Chemistry. :412-419
The binuclear Schiff base complexes prepared by condensation 2,6-diamino-pyridine and salicylaldehyde (LH) by using microwave and adding metal salts to ligand by same ratio. The Schiff base ligand was checked by infrared, electronic spectra and 1HNMR
Publikováno v:
Organic Magnetic Resonance. 16:198-201
Precise values for the ratio of the Larmor frequencies, w1H/w2H, were measured at constant field for various organic compounds. The values of the Larmor frequency ratio depend on carbon-hydrogen bond hybridization. The best ratio for the ghost refere
Publikováno v:
Organic Magnetic Resonance. 17:204-206
Pyridine, methylpyridines, quinoline and isoquinoline have been labelled with deuterium using pre-reduced platinum dioxide (PtO2·2H2O) and heavy water. Their 2H chemical shifts from monodeuteriated TMS have been assigned. The extent of the labelling