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    تصفح College of Arts & Sciences حسب الموضوع "Iodine"

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    السجلات المعروضة 1 -- 16 من 16

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        Ab initio study on the formation of triiodide CT complex from the reaction of iodine with 2,3-diaminopyridine 

        Al-Hashimi, Nessreen A.; Hussein, Yasser H. A. ( Elsevier , 2010 , Article)
        The charge transfer (CT) interaction between iodine and 2,3-diaminopyridine (DAPY) has been thoroughly investigated via theoretical calculations. A Hartree–Fock, 3-21G level of theory was used to optimize and calculate the ...
      • Charge-transfer complexes of 4-methylpiperidine with σ- and π-acceptors 

        AlQaradawi, Siham Y.; Mostafa, Adel; Bazzi, Hassan S. ( Elsevier , 2015 , Article)
        The solid charge-transfer (CT) molecular complexes formed in the reaction of the electron donor 4-methylpiperidine (4MP) with the σ-electron acceptor iodine and π-acceptors 7,7,8,8-tetracyanoquinodimethane (TCNQ), ...
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        Decarboxylative Iodination of Coumarin-3-carboxylic Acids: A Facile Access to 3-Iodocoumarins 

        Thotathil, Vandana; Sidiq, Naheed; Idoudi, Souha; Al-Zoubi, Raed M.; Shkoor, Mohanad; Bani-Yaseen, Abdulilah Dawoud... more authors ... less authors ( John Wiley and Sons Inc , 2024 , Article)
        A straightforward protocol for the direct conversion of readily available coumarin-3-carboxylic acids to the corresponding 3-iodocoumarins is described herein. Heating acetonitrile solution of coumarin-3-carboxylic acids, ...
      • Electronic spectral studies and solvent effects on the reaction of iodine with 1,4,8,11-tetraazacyclotetradecane 

        Nour, E.M.; Shahada, L.A. ( Elsevier , 1988 , Article)
        The reaction between iodine and 1,4,8,11-tetraazacyclotetradecane (TACTD) is studied photometrically in various solvents like CCl4, CHCl3, CH2Cl2 and 1,2-dichloroethane. The results reveal that in each solvent the (TACTD):I2 ...
      • Electronic, infrared, and Raman spectral studies of the reaction of iodine with 4-aminopyridine 

        AL-Hashimi, Nessreen A.; Hassan, Khadiga A.; Nour, El-Metwally ( Elsevier , 2005 , Article)
        The reaction of iodine as an electron acceptor with the base 4-aminopyridine (4APY) has been investigated spectrophotometrically in chloroform at room temperature. The electronic absorptions, infrared and Raman spectra, ...
      • 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 ...
      • Resonance Raman and far infrared spectroscopic studies of triiodide complexes formed in the reaction of iodine with some polycyclic amines 

        Nour, E.M.; Shahada, L. ( Elsevier , 1989 , Article)
        The solid charge transfer complexes formed in the reaction of iodine with the polycyclic amines 1,4,8,12-tetraazacyclopentadecane (TACPD) and meso-5,7,7,12,14,14-hexamethyl-1,4,8,11-tetraazacyclotetradecane (HMTACTD) have ...
      • Spectoscopic and structural studies on charge-transfer complexes of lanthanum(III)acetylacetonate with σ-acceptor iodine and π-acceptor DDQ 

        Nour, E.M.; Refat, M.S. ( Elsevier , 2011 , Article)
        The interaction of the donor La(III)acetylacetonate, [La(acac)3], with iodine as a r-acceptor and with 2,3- dichloro-5,6 dicyano-1,4-benzoquinone, (DDQ) as a p-acceptor have been studied in the solvents CH2Cl2, CHCl3 and ...
      • Spectroscopic investigation of the charge-transfer interactions between 1,4,7-trimethyl-1,4,7-triazacyclononane and the acceptors iodine, TCNE, TCNQ and chloranil 

        AlQaradawi, Siham Y.; Nour, E.M. ( Elsevier , 2007 , Article)
        The interaction of the interesting polynitrogen cyclic base 1,4,7-trimethyl-1,4,7-triazacyclononane (TMTACN) with the σ-acceptor iodine and π-acceptors tetracyanoethylene (TCNE), 7,7,8,8-tetracyanoquinodimethane (TCNQ) and ...
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        Spectroscopic studies on the reaction of iodine with the mixed oxygen-nitrogen cyclic base 4,7,13,16,21,24-hexaoxa-1,10-diazabicyclo[8,8,8] hexacosane 

        Nour, El-Metwally; Teleb, Saeed M.; Barakat, Atiat E.; Nasr, Dsooky E. ( Chemical Publishing Co. , 2005 , Article)
        The interaction of the mixed oxygen-nitrogen cyclic base, 4,7,13,16,21,24-hexaoxa-1,10- diazabicyclo[8,8,8] hexacosane (HODABCHC) with iodine as a s-acceptor has been studied spectrophotometrically at room temperature in ...
      • Synthesis, characterization and spectroscopic structural studies of charge-transfer complexes of 1,4,8,11-tetraazacyclotetradecane-5,7-dione with iodine, TCNE and DDQ 

        El-Metwally, Nour; 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 structural characterization of charge transfer complexes of 4,7,13,16,21,24-hexaoxa-1,10-diazabicyclo[8,8,8]hexacosane with iodine, TCNE and TCNQ 

        Nour, El-Metwally; Mostafa, Adel; Bazzi, Hassan S. ( Elsevier , 2012 , Article)
        The charge transfer interaction of the interesting mixed nitrogen–oxygen donor 4,7,13,16,21,24-hexaoxa-1,10-diazabicyclo[8,8,8]hexacosane (HODABCHC) with σ-electron acceptor iodine and π-acceptors tetracyanoethylene (TCNE) ...
      • 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 charge-transfer molecular complexes formed in the reaction of 1,4-bis (3-aminopropyl) piperazine with σ- and π acceptors 

        AlQaradawi, Siham Y.; Mostafa, Adel; Bazzi, Hassan S. ( Elsevier , 2012 , Article)
        Abstract In the present study, solid charge-transfer (CT) molecular complexes formed in the reaction of the electron donor 1,4-bis (3-aminopropyl) piperazine (APPIP) with the σ-electron acceptor iodine and π-acceptors ...
      • 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 ...
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        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), ...

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