The method of synthesizing (E)-1,2-di(pyridine-2-yl)ethene-1,2-diol involves dimerization of 2-pyridinecarboxaldehyde (also referred to herein as “picolinaldehyde”). The synthesis of the desired…
بواسطة
Nabil Ahmed Qassim Al-Zeqri, Ismail Khalil Warad, Firas Fandi Awwadi, Ali Mohammed Alsalme, Anas Khaled Abed Alali, Abdelkader Zarrouqk)
Novel hybrid xerogel materials were synthesized by a sol-gel procedure. n-octadecyltriethoxysilane was co-condensed with and without different cross-linkers using Q0…
بواسطة
Ismail Warad 1,*,Omar Abd-Elkader H 2,3,Saud Al-Resayes 1,Ahmad Husein 4,Mohammed Al-Nuri 4,Ahmed Boshaala 5,Nabil Al-Zaqri 1 andTaibi Ben Hadda
The preparation of new [MeC(CH2PPh2)3CuCl] 1 and its derivatives was carried out directly by mixing of CuCl and MeC(CH2PPh2)3 ligand in dry THF, the neutral precursor 1 served to prepare [MeC(…
بواسطة
Ismail Warad, Omar H Abd-Elkader, Ahmed Boshaala, Nabil Al-Zaqri, Belkheir Hammouti & Taibi Ben Hadda
Definition of transition elements.Theories of bonding (Warner›s Theory, the effective atomic number, the Valence Bond Theory, the Crystal Field Theory, Molecular Orbital Theory, Ligand Field…
Introduction to inorganic reaction mechanisms, soft and hard acids and bases, Neuclophilic substitution reactions at four-coordinate Site, Mechanism of OxidationReduction reactions, Bio-inorganic…