|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | In situsynthesis, photometric and spectroscop- ic studies of chelating system during the 1,4,7,10, 13, 16-hexaoxacyclooctadecane charge transfer reaction with different aeceptors显示文摘 | Aisha S M Hossan Hanaa M Abou-Melha Moamen S Refat | 2011 | Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy2011，79，： | 1 |
| 2 | Synthesis, Spectroscopic Characterization,Thermal, and Photostability Studies of 2-(2/-hydroxy-5/-phe-nyl)-5-amirvobenzotriazole Complexes 显示文摘 | REFAT M S | 2010 | J Therm Anal Cal-orim2010，102，3： | 1 |
| 3 | Ten metal complexes of vitamin B3/niacin:spectroscopic,thermal,natibacterial,antifungal,cytitixicity and antitumor studies of Mn (Ⅱ),Fe (Ⅱ),Co (Ⅱ),Ni (Ⅱ,Cu (Ⅱ),Zn (Ⅱ),Pd (Ⅱ),Cd (Ⅱ),Pt (Ⅱ) and Au(Ⅲ) complexes显示文摘 | AL-SAIF F A REFAT M S | 2012 | J Mol Struct2012，1021，： | 1 |
| 4 | Structural, Thermal, Kinetic and Pharmacology in Vitro Studies of H-Bonded Complexes Formed Between the Sedative-Hypnotic Drug 5,5-Diethylbarbituratic Acid with Various Acceptors Liquid and Solid Characterization 显示文摘 | Refat M S Adam A M A | 2014 | J Mol L/q2014，196，2： | 1 |
| 5 | Spectroscopic and thermal characterization of Cu(Ⅱ),Co(Ⅱ),Ni(Ⅱ)and Mn(Ⅱ)complexes of fluorescent dye 4-N,N-dimethyl-ethanolamine-N-allyl-1,8-naphthalimide(4DMEAN)显示文摘 | Refat M S Killa H M A Fetooh H | 2010 | J Mol Struc2010，983，： | 1 |
| 6 | Identification of a new anti-diabetic agent by combining VOSO4 and vitamin E in a single molecule:studies on its spectral,thermal and pharmacological properties显示文摘 | Refat M S El-Shazly S A | 2010 | Eur J Med Chem2010，45，7： | 1 |
| 7 | Synthesis and Spectroscopic Characterizations on the Complexation of Three Different Metal Ions Ba(Ⅱ),Ni(Ⅱ),and Ce(Ⅲ)with Atenolol Drug Chelate显示文摘Three types of metal ions barium(Ⅱ),nickel(Ⅱ)and cerium(Ⅲ)complexity of ATN drug have been prepared and characterized using molar conductance method,FT-IR,electronic,and 1H-NMR analysis measurements.The chemical and physical results for all atenolol complexes are agreement with the speculated structures.For the divalent(Ba&Ni)and trivalent(Ce)metal atenolol a molar ratio 1∶2 was established.Qualitative chemical analysis showed that for the divalent metal complexes,the chloride ions are not involved in the complexes,suggesting that all of these complexes,[Ba(ATN)2]·2 H2O and[Ni(ATN)2(H2O)2]·4 H2O are neutral.However,for the cerium(Ⅲ)complex,[Ce(ATN)2(NO3)]·3 H2O,the nitrate group is existed inside the coordination sphere.ATN make astable metal complexity with barium(Ⅱ),nickel(Ⅱ)and cerium(Ⅲ)ions.Electronic absorption analysis of Atenolol give two fundamental peaks at 225 nm and 274 nm refers to variation in transition electrons of ligand,UV spectral analysis of the three complexity obtained give asymmetric broad band in the range 200~400 nm,the reults are convenient with the suggestion of metal-nitrogen and metal-oxygen bonds.The infrared analysis data proved that ATN act as bidentate ligand through the N atom of the-NH group and O atom of the deprotonated alcoholic OH group.Nickel(Ⅱ)and cerium(Ⅲ)complexity make six-coordinate geometry,whereas the barium(Ⅱ)complex exhibit four-coordinate geometry.Ni(Ⅱ)-ATN complex has an effective magnetic moment equal 3.12 B.M,that is assigned to octahedral structure.The 1H-NMR spectral results of Ba(Ⅱ)-ATN complexity give strong signal at^4.00 ppm due to protons of-CH2 that influenced by low degree due to complexity.These results confirm the position of chelation through the N atom of the-NH group and O atom of the deprotonated alcoholic OH group. | Samy M El-Megharbel Tariq Altalhi Abdullah Ayad Salem Alruqi Moamen S Refat | 2020 | 光谱学与光谱分析2020，40，6： | 0 |
| 8 | Investigation of charge transfer complexes formed between 3,3′-dimethylbenzidine (o-toluidine) donor and DDQ, p-chloranil and TCNQ as π-acceptors显示文摘Charge-transfer (CT) complex of o-toluidine (o-tol) with the π-acceptor tetrachloro-p-benzoquinone (p-chloranil; CHL) has been synthesized and characterized, along with the products of the elimination reaction of o-toluidine (o-tol) with 2,3-dichloro-5,6dicyano-p-benzoquinone (DDQ) and 7,7,8,8-tetracyanoquinodimethane (TCNQ). Their properties and structures have been investigated using electronic absorption and IR spectroscopy as well as elemental analyses of the isolated compounds. The o-tol/p-CHL CT complex is shown to consist of a CHL radical anion and o-tol + radical cation. The formations of all three compounds result in the appearance of new UV-Vis spectral bands that peaked in intensity at a stoichiometric ratio of 1 : 1. 1 H-NMR and mass spectra were used to confirm the formation of the o-tol/DDQ and o-tol/TCNQ products. The new 7,8-dicyano-7′,8′-o-toluidilequinodimethane and 2,3-dichloro-5-cyano-6-o-toluidil-p-benzoquinone products resulted from the rapid reaction of o-tol with TCNQ and DDQ, respectively. Thermogravimetric studies showed that the CT-complex decomposes in three steps whereas the new compounds decompose in a single step. Thermodynamic parameters were computed from the thermal decomposition data. | REFAT Moamen S El-METWALLY Nashwa M | 2011 | Chinese Science Bulletin2011，56，19： | 0 |
您所在的机构暂未开通此部分的功能，请联系管理员