Browsing by Author "Nour, El-Metwally"
Now showing items 1-9 of 9
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Novel charge transfer complexes of the donor 1,4,7,10,13,16-hexamethyl-1,4,7,10,13,16-hexaazacyclooctadecane and the acceptors iodine, TCNE, and TCNQ
AlQaradawi, Siham Y.; Bazzi, Hassan S.; Mostafa, Adel; Nour, El-Metwally ( Elsevier , 2011 , Article)Abstract Novel charge transfer complexes have been formed in the reaction of the interesting powerful electron donor 1,4,7,10,13,16-hexamethyl-1,4,7,10,13,16-hexaazacyclooctadecane (HMHACOD) with σ-electron acceptor iodine ... -
Preparation, spectroscopic and structural studies on charge-transfer complexes of 2,9-dimethyl-1,10-phenanthroline with some electron acceptors
Gaballa, Akmal S.; Wagner, Christoph; Teleb, Said M.; Nour, El-Metwally; Elmosallamy, M.A.F.; Kaluđerović, Goran N.; Schmidt, Harry; Steinborn, Dirk... more authors ... less authors ( Elsevier , 2007 , Article)Charge-transfer (CT) complexes formed in the reactions of 2,9-dimethyl-1,10-phenanthroline (Me2phen) with some acceptors such as chloranil (Chl), picric acid (HPA) and chloranilic acid (H2CA) have been studied in the defined ... -
Spectroscopic investigation of the donor-acceptor interaction between o-phenylenediamine and tetracyanoethylene in dichloromethane
Aljaber, Amina S.; Nour, El-Metwally ( Elsevier B. V. , 2007 , Article)The interaction between the electron donor o-phenylenediamine (o-phendn) and the π-acceptor tetracyanoethylene (TCNE) has been investigated spectrophotometrically in dichloromethane at 25 °C. The results indicate that the ... -
Spectroscopic investigation of the novel charge-transfer complex [(phen)(TCNE)12] formed in the reaction of phenacetin with tetracyanoethylene
AlQaradawi, Siham Y.; Nour, El-Metwally ( Elsevier , 2005 , Article)The charge-transfer (CT) interaction of the electron donor phenacetin (phen) and the π-electron acceptor tetracyanoethylene (TCNE) has been studied in CH2Cl2. The results obtained indicate the formation of the novel ... -
Synthesis and spectroscopic structural investigations of the charge-transfer complexes formed in the reaction of 2,6-diaminopyridine with π-acceptors TCNE, chloranil, and DDQ
Bazzi, Hassan S.; Mostafa, Adel; AlQaradawi, Siham Y.; Nour, El-Metwally ( Elsevier , 2007 , Article)Molecular charge-transfer complexes of the donor 2,6-diaminopyridine (2,6-DAPY) with π-acceptors tetracyanoethylene (TCNE), 2,3-dichloro-5,6-dicyano-p-benzoquinone (DDQ) and tetrachloro-p-benzoquinone(chloranil) were studied ... -
Synthesis, characterization and spectroscopic structural studies of charge-transfer complexes of 1,4,8,11-tetraazacyclotetradecane-5,7-dione with iodine, TCNE and DDQ
Nour, El-Metwally; AlQaradawi, Siham Y.; Mostafa, Adel; Shams, Eman; Bazzi, Hassan S. ( Elsevier B.V. , 2010 , Article)Three novel aqueous and solid charge-transfer complexes are synthesized by the reaction of the polynitrogen cyclic n-donor 1,4,8,11-tetraazacyclotetradecane-5,7-dione (TACTDD) with the σ-acceptor iodine, the aliphatic ... -
Synthesis, spectroscopic and thermal investigations of solid charge-transfer complexes of 1,4,7-trimethyl-1,4,7-triazacyclononane and the acceptors iodine, TCNE, TCNQ and chloranil
AlQaradawi, Siham Y.; Bazzi, Hassan S.; Mostafa, Adel; Nour, El-Metwally ( Elsevier , 2008 , Article)The solid charge-transfer complexes formed in the reaction of the electron donor 1,4,7-trimethyl-1,4,7-triazacyclononane (TMTACN) with the acceptors iodine, tetracyanoethylene (TCNE) and 7,7,8,8-tetracyanoquinodimethane ... -
Synthesis, spectroscopic and thermal studies of the reactions of the donors piperazine and N,N′-dimethylpiperazine with σ- and π-acceptors
Bazzi, Hassan S.; AlQaradawi, Siham Y.; Mostafa, Adel; Nour, El-Metwally ( Elsevier , 2008 , Article)Abstract The interactions of the electron donors piperazine (PIP) and N,N′-dimethylpiperazine (DMPIP) with the σ-acceptor iodine and the π-acceptors tetracyanoethylene (TCNE) and 2,3-dichloro-5,6-dicyano-1,4-benzoquinone ... -
Synthesis, spectroscopic, thermal and structural investigations of charge-transfer complexes of 4,4′-trimethylenedipiperidine with chloranil, TBCHD, DDQ, TCNQ and iodine
Shahada, Lamis; Mostafa, Adel; Nour, El-Metwally; Bazzi, Hassan S. ( Elsevier , 2009 , Article)The charge-transfer interactions between the electron donor 4,4′-trimethylenedipiperidine (TMDP) and the acceptors 2,3,5,6-tetrachloro-1,4-benzoquinone (chloranil), 2,4,4,6-tetrabromo-2,5-cyclohexadienone (TBCHD), ...